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1Z0-071 exam Dumps Source : Oracle Database 12c SQL

Test Code : 1Z0-071
Test title : Oracle Database 12c SQL
Vendor title : Oracle
: 73 actual Questions

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Oracle Oracle Database 12c SQL

how to Fail Over and Reinstate Oracle Database on Oracle Cloud | killexams.com actual Questions and Pass4sure dumps

via Joel Pérez and Skant Gupta

in this article, they can elucidate you how to fail over and reinstate Oracle Database within the cloud.

word: to bear utilize of the mode presented listed here, you exigency two Oracle Cloud database cases. also, the procedure introduced was carried out on Oracle Database 11g; despite the fact, the process should still work on later releases corresponding to Oracle Database 12c unlock 1 and free up 2.

Create the simple Database illustration
  • Log in to your Oracle Cloud services account. Then ebb to the Oracle Database Cloud provider page and create a original provider:

    - For carrier identify enter primary.- From the service smooth record, select Oracle Database Cloud service.- From the Metering Frequency record, select something frequency is acceptable on your ambiance.- From the application unencumber listing, opt for Oracle Database 11g release 2.- From the utility version checklist, opt for enterprise edition.- From the Database type list, select solitary illustration.

    Then click next to continue.

    Figure 1 Creating a  original service

    figure 1. developing a original service

  • in the service details reveal, Do the following:

    - For DB identify (SID), enter ORCL.- Set an administrative password of your alternative and bear sure the password (this should breathe your sys password).- For Usable Database Storage (GB), enter 25.- From the Compute shape listing, select OC3 -1 OCPU, 7.5GB RAM (here is the bare minimal required).- For SSH Public Key, enter rsa-key-20170111.pub.

    Then click subsequent to continue.

    Figure 2 Specifying the service details

    determine 2. Specifying the service details

  • eventually, review the configuration and click on Create to create your basic cloud database.

    Figure 3 Creating primary cloud db instance

    figure three. developing the basic cloud database instance

    After a yoke of minutes, the primary cloud database instance has been created successfully.

    Figure 4 Primary database created

    figure four. The primary database has been created

  • click the provider identify (simple) to open the main web page of the database.

    Figure 5 Main page of primary database

    figure 5. leading page of the primary database

  • earlier than attempting to hook up with the simple database illustration on the cloud computer, you exigency to allow the dblistener access rule. Do right here:

    a. Open the database provider and select access guidelines from the menu.

    Figure 6 Selecting the Access Rules item

    figure 6. settling on the entry guidelines item

      b. For the ora_p2_dblistener rule, opt for allow from the moves menu.

    Figure 7 Enabling the ora_p2_dblistener

    determine 7. Enabling the ora_p2_dblistener rule

  • Create the Standby Database instance
  • Log in to your Oracle Cloud services account. Then ebb to the Oracle Database Cloud provider web page and create a brand original carrier:

    - For service title enter Standby.- From the provider smooth checklist, opt for Oracle Database Cloud service.- From the Metering Frequency record, select anything frequency is acceptable on your atmosphere.- From the utility unencumber record, select Oracle Database 11g liberate 2.- From the software version checklist, select traffic version.- From the Database category checklist, opt for solitary instance.

    Then click next to continue.

    Figure 8 Creating another  original service

    figure eight. creating a different original service

  • within the provider details screen, Do the following:

    - For DB identify (SID), enter ORCL.- Set an administrative password of your choice and bear sure the password (this should breathe your sys password).- For Usable Database Storage (GB), enter 25.- From the Compute shape checklist, select OC3 -1 OCPU, 7.5GB RAM (this is the naked minimal required).- For SSH Public Key, enter rsa-key-20170111.pub.

    click next to continue.

    notice: This dummy database should breathe dropped later.

    Figure 9 Specifying service details

    figure 9. Specifying the carrier details

  • ultimately, check the configuration and click on Create to create your standby cloud database.

    Figure 10 Creating standby DB instance

    figure 10. growing the standby cloud database example

    After a yoke of minutes, the standby cloud database illustration has been created successfully.

    Figure 11 standby database created

    figure eleven. The standby database has been created

  • click on the provider title (Standby) to open the leading page of the database.

    Figure 12 Main page standby DB

    figure 12. main page of the standby database

  • earlier than making an attempt to connect to the standby instance on the cloud desktop, you must enable the dblistener access rule. Do the following:

    a. Open the database carrier and select access suggestions from the menu.

    Figure 13 Selecting the Access Rules

    determine 13. picking out the access guidelines merchandise

    b. For the ora_p2_dblistener rule, opt for permit from the movements menu.

    Figure 14 Enabling the ora_p2_dblistener

    determine 14. Enabling the ora_p2_dblistener rule

  • Open two several instances of the PuTTY executable and connect to both the machines the usage of SSH.

    Figure 15 Connecting to both machines using PuTTY

    determine 15. Connecting to both machines using PuTTY

    be aware: In here figures, the simple instance is proven with a black history and the standby instance is proven with a yellow background.

  • examine the host title and the pmon procedure on each and every server.

    Figure 16 Checking the host names

    determine sixteen. Checking the host names and pmon procedures

  • Drop the default standby database.

    Figure 17 Dropping the standby database

    figure 17. dropping the standby database

    in the subsequent steps, you'll re-create the standby database manually

  • Configure the static registration of the standby instance in the listener.ora file.

    also, since you'll should configure the facts safeguard broking service in an upcoming step, add a static entry for its command-line interface (DGMGRL) in the listener.ora file on both the primary and standby servers. (The information assume confidence of broking service is a distributed administration framework offered by Oracle Database, enterprise version.)

    SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = STBY_DGMGRL) (ORACLE_HOME = /u01/app/oracle/product/eleven.2.0/dbhome_1) (SID_NAME = STBY) ) (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = STBY) (ORACLE_HOME = /u01/app/oracle/product/eleven.2.0/dbhome_1) (SID_NAME = STBY) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (address = (PROTOCOL = TCP)(HOST = Standby.compute-aeetisalat78358.oraclecloud.inside)(PORT = 1521)) (address = (PROTOCOL = IPC)(KEY = EXTPROC1521)) ) )

    Figure 18 Configuring the listener

    figure 18. Configuring the listener.ora data

  • Now, restart the listener.

    Figure 19 Restarting the listener

    determine 19. Restarting the listener

  • Configure the tnsnames.ora info with the public IP addresses of the fundamental and standby servers. as soon as the addresses are configured, they may too breathe seen on the console.

    Figure 20 Verifying the configuration

    figure 20. Verifying the configuration of the tnsnames.ora files

  • be sure the tnsping command works on each side.

    Figure 21 Running the tnsping command

    determine 21. working the tnsping command

  • Create the pfile and password file on the standby computer. additionally, create the crucial directories for the standby database.

    Figure 22 Creating directories

    figure 22. growing directories on the standby laptop

  • On the simple computer, install the following parameters for growing the standby database: ALTER system SET LOG_ARCHIVE_CONFIG = 'DG_CONFIG=(ORCL,STBY)'SCOPE=each; ALTER gadget SET LOG_ARCHIVE_DEST_1='location=/u01/app/oracle/archive VALID_FOR=(ONLINE_LOGFILES, ALL_ROLES)DB_UNIQUE_NAME=ORCL'; ALTER gadget SET LOG_ARCHIVE_DEST_2='provider=STBY LGWR ASYNC verify VALID_FOR=(ONLINE_LOGFILES, PRIMARY_ROLE) DB_UNIQUE_NAME=STBY'; ALTER apparatus SET FAL_SERVER =STBY SCOPE=both; ALTER system SET STANDBY_FILE_MANAGEMENT = AUTO SCOPE = each; ALTER DATABASE drive LOGGING;
  • start the standby database the usage of the nomount option with the pfile clause. Then from the primary computing device, utilize the Oracle recovery supervisor (Oracle RMAN) rman target command to check both connections.

    Figure 23 Starting the standby database

    determine 23. starting the standby database and checking the connections

  • From the simple machine, utilize the Oracle RMAN duplicate command to configure the standby database illustration. replica target DATABASE FOR STANDBY FROM lively DATABASEDORECOVER SPFILE set control_files='/u02/app/oracle/oradata/STBY/control01.ctl','/u03/app/oracle/fast_recovery_area/STBY/control02.ctl' SET db_unique_name='STBY' observation 'Is standby' SET LOG_ARCHIVE_DEST_2='provider=ORCLASYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)DB_UNIQUE_NAME=ORCL' SET FAL_SERVER='ORCL' observation 'Is simple' set db_recovery_file_dest='/u01/app/' set db_file_name_convert='/ORCL/','/STBY/' set log_file_name_convert='/ORCL/','/STBY/' NOFILENAMECHECK;

    After a while, the standby database is created and working in the hooked up state.

    Figure 24 Standby database running

    figure 24. Standby database operating within the mounted state

  • Now, open the standby database in examine-best mode and start the restoration. additionally check that the actual database is practical.

    On the basic:

    create desk verify as opt for * from dict;

    On the standby:

    alter database open; ALTER apparatus SET LOG_ARCHIVE_DEST_1='place=/u01/app/oracle/archive VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=STBY'; ALTER system SET LOG_ARCHIVE_DEST_2= 'carrier=ORCL LGWR ASYNC affirm VALID_FOR=(ONLINE_LOGFILES, PRIMARY_ROLE) DB_UNIQUE_NAME=ORCL' scope=each; get better managed standby database using present logfile disconnect;

    Figure 25 Opening the standby database

    determine 25. Opening the standby database and beginning the recovery

  • Manually Fail Over to the Standby Database with out Flashback expertise Enabled

    Failover is the procedure of activating the standby database in case the creation (primary) database is deformed to breathe able to lower the risk of information loss. It isn't reversible. When the failover process is enabled, the standby database is switched to feature because the primary database and too you would ought to re-create the standby database.

    In a worst-case condition when the information safeguard simple database is not attainable for construction, you could activate the standby database to breathe the primary production database via performing right here steps.

  • From the secondary database, hasten the following SQL statements: improve managed standby database cancel; recover managed standby database finish; alter database spark off standby database; startup drive

    Figure 26 Activating the standby database

    determine 26. Activating the standby database

  • as a result of they won't hold flashback expertise enabled on both sides, manually re-create the historic simple database because the actual standby database from the scratch.

    Figure 27 Re-creating  archaic primary database

    determine 27. Manually re-developing the historical basic database

  • birth the ancient simple database in the "nomount" state. Then reinstate it by operating the Oracle RMAN duplicate command from the secondary laptop: duplicate goal database for standby from lively database nofilenamecheck;

    Figure 28 Starting  archaic primary database

    determine 28. beginning the archaic primary database and reinstating it

    After some time, the historic fundamental database is re-created as the standby database and it's running in the hooked up state.

    Figure 29 primary database mounted state

    figure 29. historic simple database operating within the set up state

  • Now, open the standby database in examine-most effectual mode and inaugurate the recovery. additionally examine that the actual database is practical.

    On the primary:

    SQL> alter database open read best; SQL> recoup managed standby database the utilize of present logfile disconnect; SQL> opt for count number(*) from verify; count(*) ---------- 0 SQL> opt for identify,db_unique_name,database_role,open_mode from v$database; identify DB_UNIQUE_NAME DATABASE_ROLE OPEN_MODE --------- ------------------------------ ---------------- -------------------- ORCL ORCL actual STANDBY read best WITH observe

    On the standby:

    SQL> select count number(*) from spy at various; count(*) ---------- 2666 SQL> delete from check; 2666 rows deleted. SQL> commit; Commit finished. SQL> opt for count number(*) from spy at various; count number(*) ---------- 0

    Figure 30 Opening the standby database

    determine 30. Opening the standby database and starting the healing

  •   Use Flashback technology to Reinstate a Standby Database After a Failover with the records preserve broking service

    Hardware crashes hold develop into very ordinary nowadays. this is why making a catastrophe recuperation (DR) configuration for statistics guard is very positive for each database, in spite of its size. however the size of the database defines the implement a DBA can utilize to re-create the fundamental database and installation the DR configuration.

    If database is well small, doing a simple "cold reproduction" the usage of the Oracle RMAN replica command is decent adequate. although, in the case of big facts warehouses or information marts, doing that takes too lengthy. hence, it's counseled to reinstate standby databases through the utilize of the Oracle Flashback Database skill of Oracle Database.

  • On the fundamental desktop, mount the database, configure flashback retention, delivery the Oracle Flashback Database means, and open the database via operating the following statements: SHUTDOWN immediate; STARTUP MOUNT; ALTER device SET DB_RECOVERY_FILE_DEST_SIZE=2g scope=each; ALTER system SET DB_RECOVERY_FILE_DEST='/u01/app/' scope=both; ALTER system SET DB_FLASHBACK_RETENTION_TARGET=240; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;
  • On the standby machine, cancel the recovery, mount the database, configure flashback retention, beginning the Oracle Flashback Database capability, open the database in examine-handiest mode, and start the recovery manner by means of operating here statements: ALTER DATABASE pick up better MANAGED STANDBY DATABASE CANCEL; STARTUP drive MOUNT; alter gadget set DB_RECOVERY_FILE_DEST_SIZE=2g scope=each; alter device set db_recovery_file_dest='/u01/app/' scope=both; ALTER system SET DB_FLASHBACK_RETENTION_TARGET=240; ALTER gadget FLASHBACK ON; ALTER DATABASE OPEN study best; recover managed standby database the utilize of present logfile disconnect from session;

    Figure 31 Results of starting flashback

    determine 31. results of starting the flashback know-how on each machines

    next, they are able to configure the records guard broking service.

    listed below are the simple and standby database server details:

    basic server: fundamental.compute-aeetisalat78358.oraclecloud.internalDatabase: ORCL

    Standby server: StandBy-1.compute-aeetisalat78358.oraclecloud.internalDatabase: STBY1 

  • On each the basic and the standby database server, beginning the records cover broker system:

    a. permit the broking service system through environment the value of the parameter DG_BROKER_START to actual.

    ALTER apparatus SET DG_BROKER_START=authentic SCOPE=each;

    b. bear inevitable that the listener.ora file on each servers has a static entry for the DGMGRL command-line interface. (This became brought earlier in step 9.)

    c. On the fundamental server, create the statistics cover broker configuration by working the statements:

    DGMGRL> CREATE CONFIGURATION 'Cloud DG' as primary DATABASE IS'ORCL' attachIDENTIFIER IS 'ORCL'; Configuration "CloudDG" created with fundamental database "ORCL" DGMGRL> disclose CONFIGURATION Configuration - CloudDG insurance mode Mode :MaxPerformance contributors: ORCL - simple database fast-delivery Failover:DISABLED Configuration status: DISABLED

    d. Add the standby database to the configuration through running right here statements:

    DGMGRL> ADD DATABASE 'STBY' as connect IDENTIFIER IS 'STBY'; Database "STBY" brought DGMGRL> exhibit CONFIGURATION Configuration - CloudDG insurance mode Mode :MaxPerformance Databases: ORCL - primary database STBY - actual standby database speedy-delivery Failover:DISABLED Configuration reputation: DISABLED

      e. enable the configuration by pass of operating right here statements:

    DGMGRL> allow CONFIGURATION Enabled. DGMGRL> demonstrate CONFIGURATION Configuration - CloudDG insurance mode Mode: MaxPerformance Databases: ORCL - simple database STBY - actual standby database fast-start Failover: DISABLED Configuration status: SUCCESS

    Figure 32 Results of enabling broker

    figure 32. outcomes of enabling the broking service

  • Now, to continue this simulation, crash the simple database.

    Figure 33  condition of the primary database

    determine 33. condition of the simple database after is it crashed

  • Now, operate a failover to the standby server with the aid of running right here command: DGMGRL> failover to 'STBY' Performing failover NOW, tickle wait… Failover succeeded, original fundamental is "STBY"

    Figure 34 Performing a failover

    determine 34. Performing a failover

    note: Now the standby database becomes the simple database.

  • Reinstate the database.

    as a result of they now hold Oracle Flashback Database already configured, which you could utilize the following command to reinstate database with out restoring the backup:

    DGMGRL> reinstate database 'ORCL';

    Figure 35 Reinstating the database

    determine 35. Reinstating the database

    Failing which they would hold been required to configure flashback database with a view to reinstate the database immediately. As design 35 suggests, the reinstate task failed as a result of flashback is not configured to reinstate instantly throughout the Reinstate Database <DB name> command.

  • Now we'll circulate back to the historical configuration. duty a switchover operation, as shown in determine 36.

    Figure 36 Performing a switchover operation

    determine 36. Performing a switchover operation

  • Conclusion

    So now you recognize that it is very convenient to duty a failover over the cloud with and with out using Oracle Flashback Database.

    We hope this text is helpful and they invite you to continue analyzing their subsequent publications focused on Oracle Cloud.

    in regards to the Authors

    Joel Pérez is an authority DBA and Oracle ACE Director and an Oracle certified grasp in Oracle highest Availability architecture, Oracle Database cloud administration, and Oracle Database 11g and12c. He has over 17 years of precise-world journey with Oracle expertise and specializes in the design and implementation of solutions for the cloud, lofty availability (HA), cataclysm restoration, improvements, replication, and most areas regarding Oracle Database. at present, he works as chief technologist and architect for cloud technologies, Oracle highest Availability architecture, and HA at Yunhe Enmo (Beijing) know-how Co., Ltd. in Beijing, China.

    Skant Gupta is an Oracle certified Cloud professional in Oracle Database 12c, an Oracle licensed skilled in Oracle right utility Clusters (Oracle RAC) in Oracle Database 11g, and an Oracle licensed skilled in Oracle Database 10g, 11g, and 12c. He works at Vodafone know-how in the UK and previously worked as a senior DBA at Etisalat in Dubai. He has six years of adventure with a variety of Oracle applied sciences, focusing peculiarly on cloud, database, and extravagant availability solutions, Oracle WebLogic Suite, and Oracle GoldenGate. He has presented at a number of Oracle person agencies worldwide, most these days in the US, the United Arab Emirates, and India.

    Oracle SQL Developer four.0 Enhances aid for Oracle Database 12c | killexams.com actual Questions and Pass4sure dumps

    REDWOOD SHORES, CA--(Marketwired - Dec 12, 2013) - Oracle ( NYSE : ORCL )

    information abstract To quite simply control brand original evolving facts requirements, builders and database administrators want person-pleasant apparatus to velocity and simplify construction and data administration activities. The newest edition of Oracle's built-in evolution atmosphere, Oracle SQL Developer 4.0, streamlines database adoption to Oracle Database 12c and helps raise productiveness for a vast record of database construction initiatives so corporations can thoroughly capitalize on the power of enterprise statistics.

    information records

  • Oracle these days introduced the unlock of Oracle SQL Developer 4.0, better with original functionality to simplify the pile and management of Oracle Database environments.
  • supporting original innovations in Oracle Database 12c, including its multitenant architecture and statistics redaction, Oracle SQL Developer 4.0 helps builders and database administrators raise productivity and performance.
  • The newest technology of the realm's #1 database, Oracle Database 12c is designed for the cloud with an imaginative, multitenant structure.
  • by leveraging the migration tooling blanketed in Oracle SQL Developer 4.0, purchasers can realize a tremendous diminish within the cost of migrating legacy systems and functions as less customized coding and database construction is required.
  • Updates to SQL Developer device drive Database Adoption and productiveness

  • Oracle SQL Developer four.0 comprises significant original performance, enabling clients to:
  • manage Pluggable Databases: original tools to conveniently manipulate the multitenant architecture of Oracle Database 12c so developers can conveniently create, manipulate and plug databases into the Cloud.
  • enhance Reporting: Dozens of additional charting options permit builders to bring rich, handy-to-interpret reports to inner users and partners.
  • Streamline building: An better command-line interface for record era and checking out permits builders to construct points without delay into automatic approaches and projects, rushing the pile manner.
  • enhance Code: developers will savor supply control help for the universal GIT know-how as well as many original code assistance facets to identify feasible syntax mistakes before code execution.
  • velocity Migration: a brand original device to manage SQL Translation Framework at the start attainable for Microsoft SQL Server and SAP Sybase ASE T-SQL to aid builders right away migrate from third-birthday celebration systems to Oracle Database 12c with native SQL code translation.
  • The common construction device of alternative for Oracle Database valued clientele, Oracle SQL Developer 4.0 is downloadable these days from the Oracle know-how network (OTN).
  • helping Quote

  • "Harnessing the vigour of enterprise facts has by no means been less complicated for greater than three.three million builders that utilize Oracle SQL Developer," stated Michael Hichwa, vice president of utility construction at Oracle. "Leveraging Oracle SQL Developer 4.0 as a free aid to Oracle Database 12c, companies can undertake the realm's most ready database rapidly and easily."
  • assisting materials

    About Oracle Oracle engineers hardware and application to work together in the cloud and on your facts middle. For greater assistance about Oracle ( NYSE : ORCL ), seek advice from www.oracle.com.

    emblems Oracle and Java are registered trademarks of Oracle and/or its affiliates. other names may well breathe emblems of their respective proprietor


    Relational to JSON With SQL | killexams.com actual Questions and Pass4sure dumps

    Compliant Database DevOps and the role of DevSecOps DevOps is fitting the original familiar in utility building, and DevSecOps is now coming into the graphic. by means of balancing the exigency to unlock code quicker with the want for a similar code to breathe at ease, it addresses expanding calls for for records privacy. however what in regards to the database? How can databases breathe protected in each DevOps and DevSecOps? What further measures should breathe considered to obtain in reality compliant database DevOps? This whitepaper provides a constructive insight. pick up the whitepaper

    Oracle begun adding JSON assist to Oracle Database with edition 12.1.0.2. The earliest uphold become focused at storing, indexing, and querying JSON data. version 12.2 rounded out that help by means of including features for producing, exploring, and processing JSON statistics. contemplate the JSON Developer’s e-book for a comprehensive overview of what’s now accessible. during this post, I’ll leverage the brand original SQL operators for JSON era to transform the relational facts to meet the aim.

    Please notice: This keep up is Part of a succession on generating JSON from relational statistics in Oracle Database. contemplate that submit for details on the reply implemented below in addition to different options that can too breathe used to obtain that purpose.

    answer

    The 12.2+ SQL features attainable for JSON generation are:

  • JSON_OBJECT – single-row function, creates an object for each row.
  • JSON_ARRAY – single-row feature, creates an array for each row.
  • JSON_OBJECTAGG – combination characteristic, creates an object according to groups of rows.
  • JSON_ARRAYAGG – blend function, creates an array in keeping with groups of rows.
  • the following solution uses JSON_OBJECT and JSON_ARRAYAGG distinctive instances, nesting them as obligatory to provide the favored output.

    opt for json_object( 'id' is department_id, 'identify' is department_name, 'region' is ( opt for json_object( 'id' is location_id, 'streetAddress' is street_address, 'postalCode' is postal_code, 'nation' is ( opt for json_object( 'identification' is country_id, 'name' is country_name, 'regionId' is region_id ) from international locations where country_id = loc.country_id ) ) from locations loc where location_id = dept.location_id ), 'manager' is ( select json_object( 'identification' is employee_id, 'identify' is first_name || ' ' || last_name, 'earnings' is income, 'job' is ( opt for json_object( 'identification' is job_id, 'title' is job_title, 'minSalary' is min_salary, 'maxSalary' is max_salary ) from jobs where job_id = man.job_id ) ) from personnel man where employee_id = dept.manager_id ), 'personnel' is ( select json_arrayagg( json_object( 'identity' is employee_id, 'name' is first_name || ' ' || last_name, 'isSenior' is case when emp.hire_date < to_date('01-01-2005', 'dd-mm-yyyy') then 'proper' else 'false' conclusion layout json, 'commissionPct' is commission_pct, 'jobHistory' is ( opt for json_arrayagg( json_object( 'identity' is job_id, 'departmentId' is department_id, 'startDate' is to_char(start_date, 'DD-MON-YYYY'), 'endDate' is to_char(end_date, 'DD-MON-YYYY') ) ) from job_history the plot employee_id = emp.employee_id ) ) ) from employees emp the plot department_id = dept.department_id ) ) as branchfrom departments dept where department_id = :department_id

    As become the case with the SQL question used for ORDS, here's a pretty tremendous query. however i adore the control the brand original SQL operators supply! for example, I’ve highlighted line 50, which makes utilize of the structure JSON key phrases to declare that the cost is to breathe regarded as JSON statistics. This allowed me so as to add Boolean values to the JSON output youngsters that Oracle’s SQL engine doesn’t uphold Boolean. There are different optional keyword phrases to alter the behavior of the JSON generating features.

    Output

    I’m satisfied to file that the solution above generates JSON that meets the intent a hundred%!

    "identification": 10, "identify": "Administration", "place": "id": 1700, "streetAddress": "2004 Charade Rd", "postalCode": "98199", "nation": "id": "US", "identify": "u.s. of the us", "regionId": 2 , "manager": "identification": 200, "identify": "Jennifer Whalen", "earnings": 4400, "job": "id": "AD_ASST", "title": "Administration Assistant", "minSalary": 3000, "maxSalary": 6000 , "personnel": [ "id": 200, "name": "Jennifer Whalen", "isSenior": true, "commissionPct": null, "jobHistory": [ "id": "AD_ASST", "departmentId": 90, "startDate": "17-SEP-1987", "endDate": "17-JUN-1993" , "id": "AC_ACCOUNT", "departmentId": 90, "startDate": "01-JUL-1994", "endDate": "31-DEC-1998" ] ]

    despite the fact, once I ran this question on department 60 (which as the most personnel) I bought this error: ORA-40459: output price too tremendous (precise: 4071, optimum: 4000). this is as a result of each of the JSON technology capabilities has a default output of varchar2(4000). here is excellent for a lot of utilize instances, but it surely’s effectively exceeded with the combination capabilities and deeply nested buildings.

    The solution is to leverage the RETURNING clause to specify a unique records classification or size. contemplate this gist to pick up an strategy of how the solution above may well breathe modified to bear utilize of the RETURNING clause. In 12.2, there hold been some restrictions on which functions may work with CLOBs, however they’ve been lifted in 18c.

    summary

    this is my favorite reply of the succession – by using a ways! The JSON generation capabilities are very effectual and because they’re within the database it’s feasible to leverage them from basically anyplace, including Node.js and ORDS.

    Compliant Database DevOps and the role of DevSecOps DevOps is fitting the original common in utility construction, and DevSecOps is now entering the photograph. by means of balancing the wish to liberate code quicker with the want for the identical code to breathe comfortable, it addresses expanding calls for for facts privacy. but what in regards to the database? How can databases breathe covered in each DevOps and DevSecOps? What further measures may still breathe considered to obtain basically compliant database DevOps? This whitepaper offers a positive perception. Get the whitepaper

    subject matters:

    database ,relational information ,json ,oracle database ,tutorial


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    Oracle Database 12c SQL

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    Oracle SQL Developer 4.0 Enhances uphold for Oracle Database 12c | killexams.com actual questions and Pass4sure dumps

    REDWOOD SHORES, CA--(Marketwired - Dec 12, 2013) - Oracle ( NYSE : ORCL )

    News Summary To effectively manage today's evolving data requirements, developers and database administrators exigency user-friendly tools to hasten and simplify evolution and data management activities. The latest version of Oracle's integrated evolution environment, Oracle SQL Developer 4.0, streamlines database adoption to Oracle Database 12c and helps increase productivity for a broad list of database evolution tasks so organizations can fully capitalize on the power of enterprise data.

    News Facts

  • Oracle today announced the release of Oracle SQL Developer 4.0, enhanced with original functionality to simplify the evolution and management of Oracle Database environments.
  • Supporting original innovations in Oracle Database 12c, including its multitenant architecture and data redaction, Oracle SQL Developer 4.0 helps developers and database administrators increase productivity and performance.
  • The latest generation of the world's #1 database, Oracle Database 12c is designed for the cloud with an innovative, multitenant architecture.
  • By leveraging the migration tooling included in Oracle SQL Developer 4.0, customers can realize a significant diminish in the cost of migrating legacy systems and applications as less custom coding and database evolution is required.
  • Updates to SQL Developer implement Drive Database Adoption and Productivity

  • Oracle SQL Developer 4.0 incorporates significant original functionality, enabling users to:
  • Manage Pluggable Databases: original tools to effectively manage the multitenant architecture of Oracle Database 12c so developers can easily create, manage and plug databases into the Cloud.
  • Enhance Reporting: Dozens of additional charting options enable developers to deliver rich, easy-to-interpret reports to internal users and partners.
  • Streamline Development: An enhanced command-line interface for report generation and testing allows developers to build features directly into automated processes and tasks, speeding the evolution process.
  • Improve Code: Developers will relish source control uphold for the current GIT technology as well as many original code assistance features to identify viable syntax errors before code execution.
  • Speed Migration: a original implement to manage SQL Translation Framework initially available for Microsoft SQL Server and SAP Sybase ASE T-SQL to help developers quickly migrate from third-party platforms to Oracle Database 12c with native SQL code translation.
  • The gauge evolution implement of choice for Oracle Database customers, Oracle SQL Developer 4.0 is downloadable today from the Oracle Technology Network (OTN).
  • Supporting Quote

  • "Harnessing the power of enterprise data has never been easier for more than 3.3 million developers that utilize Oracle SQL Developer," said Michael Hichwa, vice president of software evolution at Oracle. "Leveraging Oracle SQL Developer 4.0 as a free uphold to Oracle Database 12c, organizations can adopt the world's most capable database quickly and easily."
  • Supporting Resources

    About Oracle Oracle engineers hardware and software to work together in the cloud and in your data center. For more information about Oracle ( NYSE : ORCL ), visit www.oracle.com.

    Trademarks Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may breathe trademarks of their respective owner


    Oracle JET and Oracle Database – a blooming Combination | killexams.com actual questions and Pass4sure dumps

    by Yuli Vasiliev

    Leverage the power of the Oracle JET framework when pile a front-end for Oracle Database applications.

    July 2017

    Introduction

    In recent years, JavaScript has become increasingly current as a front-end language for Web development, surpassing many other most in-demand programming languages used in this area. According to the Developer Survey Results 2016 from Stack Overflow, JavaScript tops the list of the most current technologies used by the full-stack Web developers, leaving behind Python, PHP, and even Java.

    Not surprisingly, the JavaScript ecosystem, being actively developed, includes a worthy number of JavaScript frameworks, libraries, and tools available for download from different sources, providing a long list of choices to find what suits you best. Of course, if you already utilize Oracle software, you expectedly might want to start your search from what Oracle has to offer in this area, unavoidably meeting Oracle JavaScript Extension Toolkit (JET) – a modular open source toolkit designed for JavaScript developers working on client-side applications.

    In this article, you’ll spy at an instance of how you can build a simple Oracle JET application interacting with an Oracle database.

    How It Works 

    Let's start with a very quick overview of Oracle JET and how an Oracle JET application can interact with an Oracle database.

    If you hold already read about Oracle JET, you know that it is based on a collection of current open source JavaScript libraries, such as Knockout.js and jQuery, as well as a set of JavaScript libraries contributed by Oracle. It is enthralling to note, however, that, being a modular toolkit, Oracle JET allows you to utilize in your application only those components that it really needs, signification many of those libraries available for evolution with Oracle JET are optional and are not required by Oracle JET. This approach allows you to reduce your application code complexity, ultimately improving its performance.

    Another primary thing to emphasize is that Oracle JET is an entirely client-side toolkit and, therefore, does not uphold direct binding approach when it comes to data interaction, allowing you to interact with data sources, such as an Oracle database, only via Web services, including REST, WebSocket, and Server Sent Event (SSE).

    A diagrammatic representation of this architecture is summarized in the design below:

    OracleJETComboFig1

    Figure 1: An Oracle JET application interacting with an Oracle database.

    As you can contemplate in the above figure, an Oracle JET application interacting with an Oracle database calls a Web service, making a HTTP request to it. The Web service transforms the URL into an SQL query and then executes it against the database. Next, a returned result set is transformed into JSON and is sent to the calling application.

    As mentioned, there are several alternatives when it comes to Web services you can utilize for Oracle JET data interaction. However, when pile Oracle JET applications to breathe interacted with an Oracle database, employing Oracle repose Data Services (ORDS) as a mid-tier Web service seems to breathe a natural choice, since ORDS is designed especially for Oracle Database, Oracle Database 12c JSON Document Store, and Oracle NoSQL Database. It maps incoming HTTP requests to database transactions, returning retrieved result sets formatted in JSON.

    Architecturally, an Oracle JET application follows the Model-View-ViewModel (MVVM) design pattern, which facilitates a immaculate separation of the user interface from the underlying back-end logic. The Model handles interaction with data sources, and the View is responsible for the presentation of the data. The ViewModel mediates communication between the View and the Model, providing two-way data binding between these two layers. Two-way data binding ensures that any data changes affecting the Model are sent to the View, and conversely, any changes made to the data by the user in the View’s UI components are reflected in the Model.

    In light of the MVVM design, an Oracle JET application can breathe depicted as shown in the following figure. This design too shows what libraries and components Oracle JET uses to implement the layers of the MVVM pattern.

    OracleJETComboFig2

    Figure 2: A visual depiction of an Oracle JET application in view of the MVVM design.

    As you can contemplate in the figure, the MVVM layers of an Oracle JET application are implemented in client side JavaScript and, therefore, the code is to breathe hasten within a user’s browser. On the server side, you may hold a data source and a Web service, which accesses that data source, returning data as JSON objects. Physically, the Web service and the data source may breathe located on the identical or different machines, interacting over a standardized interface, such as HTTP. As for the data source type, it can breathe anything from a flat file to a relational database.

    The instance application discussed in the next sections uses an Oracle database as the data source and ORDS as the Web service.

    Preparing Your Working Environment

    To follow along, you will exigency to hold access to the following software components in your system:

    Oracle Database

    Oracle SQL Developer

    Oracle repose Data Services (ORDS)

    Oracle JET

    If you don’t hold access to an Oracle database yet, you can obtain it in one of several ways. Your options include:

    Download Oracle Database software from OTN and install it in your system

    Download and install a VM for Oracle VM VirtualBox, containing pre-configured Oracle Database software

    Take edge of an Oracle database in a cloud, choosing one of the Oracle Database Cloud Services

    If you select a Database Virtual Box Appliance, you pick up it packed with features for database application development, including Oracle SQL Developer. Otherwise, to work with an Oracle database instance in a cloud or on-premises, you may exigency to download and install Oracle SQL Developer on your local machine.

    Oracle Database cloud services normally Come preconfigured with Oracle repose Data Services (ORDS). If you’re using an on-premises database, you may exigency to install Oracle repose Data Services (ORDS) in your system, as described in the Installing Oracle repose Data Services section in the repose Data Services Installation, Configuration, and evolution Guide. Before installing it, bear sure that your system meets the requirements specified in the System Requirements section in this identical guide.

    You can install and administer ORDS with Oracle SQL Developer, using the ORDS distribution that comes bundled with Oracle SQL Developer or another ORDS distribution that you want to use. For details on how to configure the RESTful Services feature in Oracle SQL Developer, contemplate Installing and Administering repose Data Services with SQL Developer hands-on-lab. The Configuring a RESTful Service upon a Database Table section later in this article covers how to enable repose access for database objects, such as a schema or table, from within Oracle SQL Developer.

    As stated in the documentation, there are several options you can utilize to pick up started with Oracle JET application development. For example, you can create a original Oracle JET application using files from the oraclejet.zip download. Or you can assume edge of the Oracle JET QuickStart templates to simplify the evolution process. Also, you can add Oracle JET to an existing JavaScript application, unpacking the oraclejet.zip file into your application's site root and then including links to the required Oracle JET libraries.

    However, the quickest pass to pick up started is to modify an existing Oracle JET application, enhancing or changing its functionality as needed. The instance application discussed in the repose of this article is based on the OracleJET-CommonModel-CRUD sample covered in detail in the section Creating a CRUD Application Using Oracle JET of the JavaScript Extension Toolkit (JET) Developing Applications with Oracle JET guide.

    The Quickest pass To pick up Started

    Some common steps to pick up started with Oracle JET can breathe organize at Oracle JET pick up Started. Of course, to pick up the most out of the features available in Oracle JET, you should hold a satisfactory understanding of the key libraries used, such as Knockout.js and RequireJS. The instance application in this article, however, does not require you to breathe a JavaScript guru and can breathe followed even by a beginner. As mentioned, it is based on an existing sample application provided in the documentation.

    Before getting into the particular steps, let’s profile the common plan. So, below is what you will exigency to accomplish:

    Download and unpack OracleJET-CommonModel-CRUD.zip onto your system

    Install ORDS and configure a RESTful service to retrieve rows from a database table 

    Modify the sample application to work with the RESTful service defined in the previous step

    After unpacking OracleJET-CommonModel-CRUD.zip, the following application files and folders should breathe created in your system:

    OracleJETComboFig3

    Figure 3: File structure of the OracleJET-CommonModel-CRUD sample application.

    In the following sections, you will modify the content of some of the above files, changing existing application functionality as needed.  Before that, however, you’ll exigency to configure a RESTful service through which the instance application will retrieve data from the underlying database.

    Configuring a RESTful Service upon a Database Table

    REST (stands for Representational condition Transfer) is rapidly becoming an primary gauge for data access on the Web. To ease the process of developing repose interfaces for relational data, Oracle offers Oracle repose Data Services (ORDS). Since Oracle SQL Developer is the primary implement for managing Oracle repose Data Services, the steps in this section elucidate how you can configure a RESTful service upon a database table using the ORDS feature in Oracle SQL Developer.

    Although, as mentioned earlier, ORDS comes bundled with Oracle SQL Developer, you still exigency to install it before you can utilize this feature. particular steps on how to install ORDS with SQL Developer’s ORDS Installation Wizard can breathe organize in the Installing and Administering repose Data Services with SQL Developer hands-on-lab. After completing the steps in this hands-on-lab, you can check to contemplate if the ORDS you just installed with your SQL Developer can breathe reached from a Web browser. For that, point your browser to http://localhost:9090/ords/, provided you specified 9090 as the HTTP port for ORDS to listen on.

    OracleJETComboFig4

    Figure 4: Checking to contemplate if ORDS is connecting through the browser.

    Of course, the ORDS 404 Not organize page that you should contemplate as a result does not bespeak that something went wrong. That simply means that ORDS is running and can breathe connected.

    Your next step is to enable ORDS queries to access necessary database schema objects. In this particular example, you’ll exigency ORDS access to the departments database table that can breathe organize in the HR sample schema. This can breathe done very easily with the RESTful Services Wizard in Oracle SQL Developer, as described in the following steps:

    -In Oracle SQL Developer, scuttle on to the Connections navigator and expand the HR schema. If you Do not contemplate HR in the list, create a original connection for this schema.

    -In the Connections navigator, expand Tables(Filtered) under HR. Then, right-click DEPARTMENTS and select Enable repose Service… from the popup menu to launch the RESTful Services Wizard.

    -In Step 1 of the wizard, select the Enable object checkbox and uncheck the Authorization required checkbox, leaving the value of object alias unchanged (it should breathe departments, in this particular example).

    -In the next page of the wizard, view the summary information, and click Finish. Finally, you should contemplate the Successfully processed SQL command information message.

    After completing the above steps, you will breathe able to access the data in the departments database table, using the following URL: http://localhost:9090/ords/hr/departments/.

    OracleJETComboFig5 

    Figure 5: The output of the repose service you just created.

    Now that the departments table’s data can breathe accessed through a repose service, you can scuttle on to the OracleJET-CommonModel-CRUD sample, which you should already hold unpacked in your system, and modify its code to consume this repose service.

    Adjusting Existing Code

    Actually, you’ll exigency to modify only two files of those that Come with the OracleJET-CommonModel-CRUD sample: main.js and app.js, making minor adjustments to the existing code in these files.

    So, scuttle on to the folder in your system where you unpacked OracleJET-CommonModel-CRUD.zip, and expand the js folder. In this folder, find and open the main.js file. There are only two things that you’ll exigency to alter here. This is the first parameter of the getJSON duty that you must change to the URL of the repose service created as described in the preceding section. Also, this is the value of the id parameter passed to the mock repose server created here:

    … $(document).ready(function() { $.getJSON("http://localhost:9090/ords/hr/departments/", function (data) { original MockRESTServer(data, {collProp:data responseTime:1000, id:"department_id", url:/^http:\/\/mockrest\/stable\/rest\/Departments(\?limit=([\d]*))?$/i, idUrl:/^http:\/\/mockrest\/stable\/rest\/Departments\/([\d]+)$/i}); …

    Save the changes and proximate the main.js file.

    Now, open the app,js file that is too located in the js folder, and find duty parseDept(response) within the viewModel function. Change the code of the parseDept duty as follows:

    function parseDept(response) { if (response['items']) { var innerResponse = response['items'][0]; return {DepartmentId: innerResponse['department_id'], DepartmentName: innerResponse['department_name']}; } return {DepartmentId: response['department_id'], DepartmentName: response['department_name'], LocationId:response['location_id'], ManagerId:response['manager_id']}; }

    As you can see, compared to its original version, the modified parseDept duty does not accommodate code related to the Employees links. This is because the department object in the JSON document retrieved through their repose service (back to design 5) does not comprise such links.

    Then, scuttle on to the parseSaveDept duty and change its code as follows:

    function parseSaveDept(response) { return {DepartmentId: response['department_id'], DepartmentName: response['department_name'], LocationId:response['location_id'], ManagerId:response['manager_id']}; }

    That is it. No more changes are needed. reclaim and proximate the app.js file.

    Before testing the application, bear sure that Oracle repose Data Services is running. If you’re using Oracle SQL Developer, the running Oracle repose Data Services process can breathe seen in the Processes pane. If you contemplate no ORDS process there, you can hasten it using ORDS hasten Wizard, which can breathe accessed from the Tools/REST Data Services/Run… menu.

    To test the application, you can simply double-click its index.html file to invoke it in your browser:

    OracleJETComboFig6 

    Figure 6: The article instance application page (fragment).

    Conclusion

    In this article, you looked at an instance of how you can build an Oracle JET application that interacts with an Oracle database through an ORDS service. To simplify development, you used a complete pre-configured sample application as a template to create the article instance application.

    See Also:

    Oracle JET pick up StartedOracle OpenWorld 2016 Hands-On-LabBuilding Browser-Based UIs with Oracle JETOracle repose Data Services OTN websiteJET Site Cookbook

      About the Author

    Yuli Vasiliev is a software developer, freelance author, and consultant currently specializing in open source development, databases, traffic intelligence (BI), machine learning, and virtualization. He is the author of a succession of books on the Oracle technology, including Oracle traffic Intelligence: An introduction to traffic Analysis and Reporting (Packt Publishing) and PHP Oracle Web Development: Data processing, Security, Caching, XML, Web Services, and Ajax (Packt Publishing).


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    The original release supports the features of the latest Oracle database including multi-tenant architecture -- where a database on a solitary server supports multiple client organizations -- and cloud capability. Migration tools are included so that customers can transfer their  legacy systems and applications with less coding and database development.

    New "pluggable" features are supported too making it easier for developers to link databases to the cloud. Enhanced reporting options offer more charts and effortless to interpret reports. An improved command line interface speeds the evolution process by allowing reports to breathe built into automated tasks.

    The developer's lot is too eased by code assistance features that help identify syntax errors prior to execution.

    "Harnessing the power of enterprise data has never been easier for more than 3.3 million developers that utilize Oracle SQL Developer," says Michael Hichwa, vice president of software evolution at Oracle. "Leveraging Oracle SQL Developer 4.0 as a free uphold to Oracle Database 12c, organizations can adopt the world's most capable database quickly and easily".

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