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1Z1-050 exam Dumps Source : Oracle Database 11g- New Features for(R) Administrators
Test Code : 1Z1-050
Test Name : Oracle Database 11g- New Features for(R) Administrators
Vendor Name : Oracle
: 183 Real Questions
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Oracle founder and CTO Larry Ellison has been talking up his newest, ultimate database for a few years now — however on Thursday the company gave an update as to how smartly the these days brought cloud edition is promoting.
Oracle calls this product the self reliant Database, since it immediately applies protection patches and "tunes" itself to enhance efficiency. The database became first announced in 2017, but a new carrier that Oracle calls Gen2, which offers the database in Oracle's cloud along with a bunch of particular protection points, become introduced in October.
As part of the business's FY 2019 third-quarter income report, Ellison spoke of on Thursday that the database now has virtually 1,000 consumers, and is undergoing 4,000 consumer trials in other places.
"or not it's early days, but here is probably the most a hit introduction of a new product in Oracle's forty 12 months history," Ellison stated.
He extra defined on the quarterly convention call with analysts that the database is essential to Oracle's future.
"Oracle's future rests on two strategic organizations: cloud applications and cloud infrastructure," he talked about.
study: How Oracle inadvertently helped Nvidia spend $6.9 billion to win a deal far from Intel
to date, most of Oracle's cloud revenue is in keeping with its cloud applications company, which includes its fiscal applications (known as enterprise aid administration, or ERP) and its HR apps (well-known in the enterprise app world as as human capital administration, or HCM).
but the new database is the lynchpin of the "cloud infrastructure" piece, Ellison says, and it's how the enterprise plans to tackle cloud mega-significant Amazon net functions.
AWS presents its personal cloud databases, together with Aurora and Redshift, and has been very deliberately focused on Oracle's purchasers — going as far as to construct a tool that makes it convenient to swap your database from Oracle to AWS.
Ellison is competent for the battle. Touting more advantageous security and quicker efficiency is how Oracle is trying to woo companies to sign on with its cloud, and never defect to Amazon.
"Our infrastructure technology is totally differentiated from AWS. each and every one among their cloud computer systems has a separate security processor and reminiscence to insulate valued clientele from intruding upon every different," he noted on the call.
Ellison likes to assert that this velocity and vigour will keep consumers cash. AWS executives counter that their databases work more advantageous for how consumers are in reality constructing their application within the cloud. certainly, Amazon likes to trash talk Oracle's enterprise model and its medication of its shoppers.
On the Thursday analyst name, Ellison discussed one client, a university that he didn't identify, which ditched AWS for Oracle's cloud and database.
"we have obtained one consumers who's executed a collection of exams. They had been AWS users. they have bought these AWS adverts that promise 'cut your bills in half.' They found we're working 11.5 instances sooner than they were working on AWS and they cut their invoice by means of 80%," he observed.
This turned into a university running an app that used desktop gaining knowledge of and computing device vision to look at tissue samples and cells for melanoma. So, its price noting, this is no longer a typical way to use a database, compared with, say, storing lists of worker guidance or income transactions.
This sunny view of Oracle's important database product turned into a part of Oracle's third quarter earnings, which provided a healthy beat on salary and profits versus Wall highway estimates.
Oracle reported income of $9.61 billion, down by means of 1% from the yr-ago quarter, that beat expectations by way of $20 million. Non-GAAP salary per share changed into 87 cents, beating expectations by way of 3 cents. GAAP EPS changed into 76 cents.
Oracle not breaks out its cloud revenue so it's complex to look how that every one-critical business is doing when it comes to revenue. administration discussed "double digit" boom costs, which might be desk-stakes boom for a corporation transforming itself from an ancient-school utility maker to a cloud enterprise.
the previous day Oracle announced a new online transaction processing database carrier, finally bringing its key database know-how into the cloud. The business, which has been round for over 4 a long time made its mark selling databases to the biggest corporations in the world, however because the world has modified, large business customers were moving increasingly to the cloud. These independent database items could mark Oracle’s ideal hope for cloud success.
The database large, which has a market cap of over $194 billion and over $67 billion in money handy actually has options no matter what happens with its cloud products. Yet if the way forward for business computing is in the cloud, the enterprise should locate some sustained success there, and what more advantageous approach to trap its present valued clientele than with its bread and butter database items.
Oracle has verified a higher commitment to the cloud in recent years after displaying a whole lot disdain for it. basically, it announced it would be constructing 12 new regional records facilities past this yr alone, however it wasn’t all the time that method. enterprise founder and govt chairman Larry Ellison famously made fun of the cloud as “extra vogue pushed than women’s fashion.” Granted that was in 2008, but his business definitely came late to the birthday celebration.a unique sort of promoting
The cloud is not only a special manner of offering application, platform and infrastructure, it’s a distinct method of selling. while switching databases may no longer be a straightforward aspect to do for most gigantic companies, the cloud subscription charge mannequin nevertheless offers a means out that licensing rarely did. As such, it requires more of a partnership between seller and consumer. After years of having a popularity of being aggressive with consumers, it can be even tougher for them to make this shift.
Salesforce exec Keith Block (who changed into promoted to Co-CEO simply the day gone by), worked at Oracle for 20 years earlier than joining Salesforce in 2013. In an interview with TechCrunch in 2016, when asked especially concerning the modifications between Oracle and Salesforce, he contrasted the two business’s approaches and the challenges a corporation like Oracle, born and raised within the open prem world, faces because it shifts to the cloud. It takes more than a transformation in platform, he referred to.
“You even have to have the appropriate enterprise model and in case you suppose about their enterprise mannequin, it's a ‘shared success mannequin’. truly, as you undertake the expertise, it’s married to their charge schemes. so that’s very, very important as a result of if the customer doesn’t win, they don’t win,” Block mentioned at the time.
John Dinsdale, chief analyst and managing director at Synergy research, a firm that maintains shut watch on the cloud market, consents that agencies born on-prem face changes when relocating to the cloud. “in order to live on and thrive in these days’s cloud-oriented ambiance, any utility business that grew up within the on-prem world must have effective, within your means products that may also be packaged and delivered flexibly – no matter whether it truly is via the cloud or via some form of improved on-prem answer,” he talked about.Database as a service or bust
All that observed, if Oracle may adjust, it has the advantage of getting a foothold inside the enterprise. It also claims a painless transition from on-prem Oracle database to its database cloud provider, which if an organization is considering relocating to the cloud may be eye-catching. there is additionally the self sustaining element of its cloud database choices, which guarantees to be self-tuning, self-healing with computerized protection and updates and extremely little downtime.
Carl Olofson, an analyst with IDC who covers the database market sees Oracle’s database provider offerings as crucial to its cloud aspirations, but expects enterprise might stream slowly right here. “definitely, this construction (Oracle’s database offerings) looms colossal for those whose core programs run on Oracle Database, but there are other components to trust, including any deliberate or energetic investment in SaaS on other cloud platforms, the basic future database method, the complexity of relocating operations from the datacenter to the cloud, etc. So, I expect exact stream right here to be gradual.” he said.
Adam Ronthal, an analyst at Gartner sees the database provider offerings as Oracle’s best probability for cloud success. “The self sufficient facts Warehouse and the self reliant Transaction Processing choices are truly the first authentic cloud choices from Oracle. they are designed and architected for cloud, and priced competitively. they are strategic and it is very vital for Oracle to display success and price with these choices as they construct credibility and momentum for their cloud choices,” he spoke of.
The massive query is can Oracle convey in a cloud context using a more collaborative revenue model, which is still now not clear. while it confirmed some early success as it has transitioned to the cloud, it’s all the time less difficult to circulation from a small market share number to an even bigger one, and the numbers (when they've given them) have flipped in the incorrect direction in fresh income studies.
because the stakes grow ever greater, Oracle is making a bet on what it’s common most excellent all alongside, the databases that made the business. We’ll must wait and spot if that wager will pay off or if Oracle’s days of database dominance are numbered as enterprise appears to public cloud options.
At Oracle’s annual Oracle Open World summit in San Francisco last month, the Redwood Shores company revealed tremendous enhancements to Oracle Cloud Infrastructure (OCI), its bare steel compute provider for organizations. Following on the heels of those announcements, it nowadays launched new OCI era 2 situations it described as tailored for “performance-delicate” excessive efficiency compute (HPC) workloads akin to laptop studying and engineering simulations.
They’re powered with the aid of Intel’s Xeon processor lineup and Mellanox’s high-efficiency community interface controllers, and that they slot under Oracle’s new clustered network offering, which makes accessible to purchasers low-latency, excessive-bandwidth RDMA networks with direct reminiscence access to laptop memory.
“during the past three years, Oracle has made massive development in establishing and enhancing high efficiency bare-steel offerings capable of presenting on-premise customers with the options they should movement their HPC workloads to the cloud,” Clay Magouyrk, senior vice president of Oracle Cloud Infrastructure, referred to. “Our growing collaboration with business-main groups helps ensure that Oracle Cloud Infrastructure continues to extend and present the choicest performance on the lowest charge for the workloads that customers really need the cloud for.”
With clustered community setups, Oracle explained, consumers can run workloads like DNA sequencing, vehicle crash simulations, oil reservoir explorations, and more in the cloud can charge-efficiently. if they’re already the use of Oracle Database, it’s a plug-and-play affair; cloud-saved datasets feed seamlessly into clustered community storage, where they can be used to coach synthetic intelligence (AI) fashions operating on processors, high-conclusion images cards, or a bespoke combination of silicon.
“With this new providing,” Oracle wrote, “[we] now provides significant organizations with an entire set of solutions for any HPC workload, enabling companies to capitalize on the merits of modern cloud computing while having fun with efficiency akin to on-premises compute clusters at a price that makes experience for his or her business.”
the new Oracle Cloud Infrastructure instances join two others introduced in October.
Early closing month, Oracle debuted guide for Nvidia’s HGX-2 platform, which sandwiches collectively 16 interconnected Nvidia Tesla V100 GPUs (with 0.5TB of reminiscence) for a mixed two petaflops of computing vigor. GPU-accelerated deep discovering and HTPC containers in Oracle Cloud Infrastructure can be found from the Nvidia GPU Cloud container registry, which mainly supports Nvidia’s open source RAPIDS conclusion-to-conclusion statistics science pipeline.
more recently, Oracle and AMD jointly unveiled the primary AMD Epyc processor-primarily based situations on Oracle Cloud Infrastructure. Oracle claims that the Compute common E2 platform, which is generally accessible in naked metallic and one, two, 4, and eight-core digital laptop shapes, is probably the most budget friendly example (3 cents per core hour) obtainable on any public cloud.
one at a time, the new circumstances leverage Oracle Cloud Infrastructure Gen 2’s highlight points, together with security enhancements, an stronger self sustaining database, and new integrated experiences for Oracle Cloud market, Oracle’s on-line store for Oracle Cloud business apps and knowledgeable services.
a number of encompass a brand new Key administration service (KMS) that affords admins better control over statistics encryption, plus a Cloud access protection broking service (CASB) that displays and enforces comfortable configurations; disbursed denial of carrier (DDoS) protective; and an internet utility Firewall (WAF) designed to protect towards attacks on the internet. also in tow (in preview) is Oracle autonomous Transaction Processing, an self reliant database cloud carrier that allows groups to installation and control projects in discrete cloud-like environments on Oracle Cloud.
by the conclusion of 2019, Oracle Cloud Infrastructure will extend to facts facilities in Toronto, Chicago, Sao Paulo, Zurich, center East, Mumbai, Seoul, Tokyo, and Osaka, the enterprise revealed at Oracle Open World, up from the four areas by which it’s accessible at present.
In September, Oracle stated $6.61 billion in profits from its cloud functions and license guide phase, up 3.2 % from the prior yr. The enterprise, citing research from Deloitte, expects purchasers to spend more than $57.6 billion on laptop researching with the aid of 2021, up from $12 billion in 2017.
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Table partitioning is an option available to DBAs that can help them manage key database performance areas including i/o balancing, contention reduction, SQL statement performance improvements and even data availability. Oracle Database 11g adds some very powerful new table partitioning methods that can be implemented to help to achieve some of these goals.Why Use Table Partitioning
There are several key areas that database administrators tend to focus on when looking for opportunities to improve performance in their databases. These include memory utilization, SQL performance, space and storage requirements, network bottlenecks, and i/o performance.
Considered part of the very large database support features, table partitioning is an option available to administrators that can help at least two of these key performance areas: i/o and SQL performance. By taking key large "hot" tables (and indexes) and partitioning them so that they are stored in different tablespaces, a dba may see performance gains in several areas.
1) Reduced contention for blocks from the tables or indexes. This results from having the blocks distributed among different tablespaces based on the partitioning options used.
2) Reduced I/O contention because the datafiles for the tablespaces used by partitioned tables can be physically placed on different devices or drives
3) SQL Performance improvement for statements that reference the partition key column in the where clause may result because the optimizer is able to use partition pruning (only reading from the specific partition(s) that match the data being requested).
4) Another possible benefit is availability of the data in the tables. Not only can administrative tasks be done while only taking a subset of partitions offline, if anything was to happen to only one datafile, the remaining partitions in other tablespaces would still be accessible.
With 11g, Oracle has added some very powerful new table partitioning methods that can be implemented to achieve these benefits for very large (and even small) database. However, before discussing the new table partitioning methods, lets do a quick review of Oracle's partitioning history.Previously Released Partitioning Methods For Tables Range Partitioning
Oracle introduced range partitioning back in Oracle Database 8.0 as it's first partitioning method. This was the ability to partition data based on ranges associated with a column in the table. It is most commonly used to divide the row data across different tablespaces based on date values. For example, a table containing sales data could be divided by quarter, month, year - or some other meaningful date range criteria.Hash Partitioning
This method was introduced in Oracle Database 8.1. With hash partitions, a table could be split into several partitions based on a key that did not really lend itself to an easy range division, such as a large customer table. They could create multiple partitions based on the customer id, and have Oracle evenly distribute the rows across the tablespaces based on the results of passing the partition column through a hashing algorithm and using that result to determine where to store the row.Range-Hash Partitioning
Also added in 8i was the ability to do composite partitioning. This allowed to first partition the data based on ranges, and then within those ranges, to further partition into an equal number of hash partitions.List Partitioning
Introduced in 9i(R1), list partitioning filled a gap that was missing with the range and hash partitioning methods. List partitioning allows a table to be partitioned based on distinct values such as state codes (or province codes if you're in Canada), country codes or another key that had different discreet values, but didn't lend itself to range partitioning.Range-List Partitioning
A new composite method of partitioning introduced in 9i(R2) enabled a table to be divided by ranges, and then sub-partitioned by a discreet list value.New Table Partitioning Methods Introduced in Oracle Database 11g Interval Partitioning
Essentially, interval partitioning is an enhancement to range partitioning. One challenge with range partitions prior to 11g was that there was no way to have Oracle automatically create new partitions as data was added into the database. For example, if a table were being partitioned by month, at the start of a new month the database administrator would have to manually split the highest partition in order to separate data for the most recent month(s).
With interval partitioning, Oracle will automatically generate new partitions to accommodate new data being added into the table. When defining the partitioned table, the new "interval" option was added to the DDL command. Additionally, the use of "values less than maxvalue" was removed. Interval partitioning can only be done on date or number columns.
Here is an example of the syntax to create an orders table to be automatically interval partitioned on the order_date column by month.CREATE TABLE orders_tbl (order_id number(10), order_date date, order_mode varchar2(10), order_total number(15,2) customer_id number(10)) PARTITION BY RANGE (order_date) INTERVAL(NUMTOYMINTERVAL(1,'MONTH')) STORE IN (data01,data02,data03,data04) (PARTITION JUN10 values less than TO_DATE('01-07-10','dd-mm-yy')), PARTITION JUL10 values less than TO_DATE('01-08-10','dd-mm-yy')), PARTITION AUG10 values less than TO_DATE('01-09-10','dd-mm-yy')));
Any data added into the specified ranges will be inserted as usual. As soon as any rows are added that go beyond the end of August, a new partition will be automatically added with a system generated name. You can query DBA_TAB_PARTITIONS to see the system generated partitions and names.
In addition, if you have an existing range partitioned table, you can quickly convert it to be an interval partitioned table usingALTER TABLE table_name SET INTERVAL (interval value); System Partitioning
If the placement of data is going to be specifically managed by an application, and the only support required in the database is that the table needs to be broken down into smaller partitions, system partitioning may be the answer.
With system partitioning, there is no partition key, and some of the benefits such as partition pruning are not likely to be realized. In addition, some partition maintenance operations such as splitting partitions will not be supported.CREATE TABLE mypart_tbl (id number, desc varchar2(50)) PARTITION BY SYSTEM (partition part_1 tablespace data01, partition part_2 tablespace data02, partition part_3 tablespace data03, partition part_4 tablespace data04);
Insert and merge statements into this table will require using the partition-extended syntax. Delete and update statements, however, do not require the extended command syntax.INSERT INTO mypart_tab PARTITION part_1 VALUES (1,'Some Text'); Virtual Column Partitioning
Virtual columns that are calculated or derived from other data can now be used as the basis for partitioning a table. This allows a table to be partitioned based on business information that is not necessarily stored in individual columns.
For example, let's say a parts table has a column called part_id where the 3rd, 4th, and 5th characters represent the manufacturer code and management often requires reports and information for specific manufacturers. It might be beneficial to be able to partition the table based on the subset of characters.CREATE TABLE parts_tbl (part_id char(10), desc varchar2(500), cost number(10,2) mfr_code as upper((substr(part_id,3,3))) PARTITION BY LIST(mfr_code) (PARTITION ABC_DEF VALUES ('ABC','DEF'), PARTITION GHI_JKL VALUES ('GHI','JKL'), PARTITION MNO_PQR VALUES ('MNO','PQR'), PARTITION STU_VWX VALUES ('STU','VWR')); Reference Partitioning
The last of the new table partitioning methods introduced in 11g is reference partitioning. This is a useful option for dealing with two tables in a one-to-many relationship such as orders and order items.
If the orders table is partitioned by range or interval based on the order date, it may make sense to also partition the order items table the same way. In the past, this would have required that they de-normalize the order items table by adding the order date to it so that they would be able to set up the table partition to match its parent table. One key benefit to reference partitioning is to not have the extra space being used, and not having to deal with the potential data integrity issues .
In order to use reference partitioning, a formal foreign key on the child table must be defined in the database and it will not be possible to disable the foreign key constraint.CREATE TABLE orders_tbl (order_id number(10), order_date date, order_mode varchar2(10), order_total number(15,2), customer_id number(10)) PARTITION BY RANGE (order_date) INTERVAL(NUMTOYMINTERVAL(1,'MONTH')) STORE IN (data01,data02,data03,data04) (PARTITION JUN10 values less than TO_DATE('01-07-10','dd-mm-yy')), PARTITION JUL10 values less than TO_DATE('01-08-10','dd-mm-yy')), PARTITION AUG10 values less than TO_DATE('01-09-10','dd-mm-yy'))); CREATE TABLE order_items_tbl (order_id NUMBER(10), line_id NUMBER(3), product_id NUMBER(10), price NUMBER(10,2), quantity NUMBER(5), CONSTRAINT order_items_fk FOREIGN KEY (order_id) REFERENCES orders_tbl) PARTITION BY REFERENCE (order_items_fk);
Additional composite partitioning options were also added in Oracle 11g that now include the four new partitioning methods. So, they can now use the following combinations:
Examples of the syntax for many of these combinations can be found at http://download.oracle.com/docs/cd/E11882_01/server.112/e10837/part_avail.htm#insertedID5
With the addition of these new table partitioning methods in Oracle Database 11g, database administrators have some interesting and potentially powerful new options to consider when managing large and/or very hot table(s) in their databases.
» See All Articles by Columnist Karen Reliford
Sam R. Alapati, Charles KimPublisher Apress ISBN 978-1-59059-910-5 RRP $44.99 Reviewed by Elias Pimenidis MBCS CITP Score 9 out of 10
If an experienced Oracle professional is looking for a good supporting book to help them transfer their applications to the Oracle 11g environment, this is a very good starting point.
It is not the 'missing manual', nor is it a quick fix reference guide. The book simply provides a well compiled set of chapters that guides an experienced database administrator or an Oracle developer through the new features.
It does so by highlighting key differences from previous versions of Oracle, offering useful tips and small samples of code at places where they appear to be most useful.
It starts off with the most important installation phase guiding the reader through various features, culminating to much desired chapters on application development and data warehousing.
A reader cannot expect to uncover every single feature and secret of Oracle 11g in the 600 pages of this book, but can confidently rely on it providing a first level of reference manual when getting accustomed to the new environment. It saves time browsing through voluminous and often repetitive official manuals, while maintaining a complete list of key topics desirable to the database professional.
It could also prove a good reference manual for academia where both staff and students would use it to enhance prior knowledge and as a means of exploring and exploiting the advanced features of Oracle 11g.
Overall this is very good value for money, especially for a technical manual.
Further information: Apress
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