|Exam Name||:||IBM Information Management DB2 Technical Sales Mastery v1|
|Questions and Answers||:||32 Q & A|
|Updated On||:||March 22, 2019|
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000-M20 exam Dumps Source : IBM Information Management DB2 Technical Sales Mastery v1
Test Code : 000-M20
Test Name : IBM Information Management DB2 Technical Sales Mastery v1
Vendor Name : IBM
Q&A : 32 Real Questions
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In September 2018, IBM announced a brand new product, IBM Db2 AI for z/OS. This artificial intelligence engine screens information entry patterns from executing SQL statements, makes use of computer studying algorithms to decide on most advantageous patterns and passes this suggestions to the Db2 question optimizer to be used by way of subsequent statements.computing device gaining knowledge of on the IBM z Platform
In may also of 2018, IBM introduced edition 1.2 of its computing device gaining knowledge of for z/OS (MLz) product. this is a hybrid zServer and cloud application suite that ingests performance records, analyzes and builds fashions that characterize the health reputation of a variety of warning signs, monitors them over time and offers true-time scoring capabilities.
a number of points of this product offering are geared toward aiding a community of mannequin developers and managers. for example:
This machine gaining knowledge of suite was originally aimed at zServer-based mostly analytics functions. some of the first obvious decisions changed into zSystem performance monitoring and tuning. equipment administration Facility (SMF) records which are immediately generated by using the operating system provide the uncooked data for device resource consumption corresponding to valuable processor usage, I/O processing, memory paging and the like. IBM MLz can compile and keep these records over time, and construct and teach models of system habits, ranking these behaviors, determine patterns now not comfortably foreseen through humans, boost key efficiency indications (KPIs) and then feed the model effects lower back into the device to affect device configuration alterations that can enhance efficiency.
The subsequent step was to implement this suite to research Db2 performance information. One solution, called the IBM Db2 IT Operational Analytics (Db2 ITOA) answer template, applies the laptop researching expertise to Db2 operational facts to benefit an knowing of Db2 subsystem fitness. it will probably dynamically construct baselines for key efficiency indications, provide a dashboard of these KPIs and provides operational personnel precise-time insight into Db2 operations.
whereas general Db2 subsystem efficiency is a crucial ingredient in usual application health and efficiency, IBM estimates that the DBA aid personnel spends 25% or greater of its time, " ... combating entry route problems which trigger performance degradation and service affect.". (See Reference 1).AI comes to Db2
accept as true with the plight of modern DBAs in a Db2 ambiance. In cutting-edge IT world they should support one or more big statistics functions, cloud utility and database capabilities, software setting up and configuration, Db2 subsystem and utility performance tuning, database definition and administration, catastrophe recuperation planning, and greater. query tuning has been in existence on account that the origins of the database, and DBAs are constantly tasked with this as neatly.
The heart of query path analysis in Db2 is the Optimizer. It accepts SQL statements from purposes, verifies authority to access the facts, studies the locations of the objects to be accessed and develops an inventory of candidate statistics entry paths. These entry paths can include indexes, table scans, a lot of desk be a part of strategies and others. within the records warehouse and massive information environments there are continually further decisions accessible. One of those is the existence of summary tables (now and again called materialized query tables) that include pre-summarized or aggregated statistics, therefore allowing Db2 to evade re-aggregation processing. one other choice is the starjoin access path, standard in the statistics warehouse, where the order of table joins is modified for performance explanations.
The Optimizer then studies the candidate entry paths and chooses the access path, "with the lowest charge." cost during this context ability a weighted summation of useful resource utilization including CPU, I/O, reminiscence and other elements. ultimately, the Optimizer takes the bottom cost access course, retailers it in memory (and, optionally, within the Db2 directory) and begins entry path execution.
massive information and statistics warehouse operations now include software suites that enable the company analyst to use a graphical interface to build and manipulate a miniature data model of the facts they want to analyze. The packages then generate SQL statements according to the clients’ requests.
The difficulty for the DBA
in order to do good analytics to your numerous statistics stores you need a great understanding of the statistics necessities, an understanding of the analytical functions and algorithms purchasable and a high-efficiency statistics infrastructure. alas, the number and placement of records sources is increasing (each in measurement and in geography), records sizes are growing, and purposes proceed to proliferate in number and complexity. How may still IT managers aid this environment, mainly with the most experienced and mature team of workers nearing retirement?
take into account additionally that a large a part of decreasing the full charge of possession of those programs is to get Db2 functions to run sooner and greater successfully. This usually interprets into the use of fewer CPU cycles, doing fewer I/Os and transporting much less facts across the network. in view that it is commonly complicated to even identify which purposes could improvement from performance tuning, one method is to automate the detection and correction of tuning issues. here's where machine gaining knowledge of and artificial intelligence will also be used to super effect.Db2 12 for z/OS and synthetic Intelligence
Db2 version 12 on z/OS uses the computing device researching facilities mentioned above to gather and shop SQL question text and access route particulars, as well as exact efficiency-related ancient assistance equivalent to CPU time used, elapsed instances and outcome set sizes. This offering, described as Db2 AI for z/OS, analyzes and stores the facts in desktop getting to know models, with the mannequin analysis outcomes then being scored and made accessible to the Db2 Optimizer. The next time a scored SQL observation is encountered, the Optimizer can then use the model scoring records as input to its entry direction alternative algorithm.
The outcomes should still be a discount in CPU consumption as the Optimizer uses model scoring enter to opt for more advantageous access paths. This then lowers CPU costs and speeds application response times. a big expertise is that using AI software does not require the DBA to have facts science competencies or deep insights into question tuning methodologies. The Optimizer now chooses the gold standard access paths based not most effective on SQL question syntax and facts distribution facts but on modelled and scored old efficiency.
This may also be notably crucial in case you store records in numerous locations. as an example, many analytical queries towards huge statistics require concurrent entry to certain data warehouse tables. These tables are commonly referred to as dimension tables, and that they contain the statistics elements constantly used to handle subsetting and aggregation. for instance, in a retail atmosphere accept as true with a table referred to as StoreLocation that enumerates each store and its location code. Queries in opposition t save earnings statistics may additionally want to combination or summarize income by means of vicinity; hence, the StoreLocation table will be used by way of some massive information queries. during this atmosphere it is standard to take the dimension tables and copy them constantly to the massive statistics utility. within the IBM world this region is the IBM Db2 Analytics Accelerator (IDAA).
Now consider about SQL queries from each operational applications, records warehouse users and large facts enterprise analysts. From Db2's perspective, all these queries are equal, and are forwarded to the Optimizer. although, within the case of operational queries and warehouse queries they should still without doubt be directed to entry the StoreLocation table in the warehouse. nonetheless, the question from the company analyst against huge statistics tables should probably entry the replica of the desk there. This outcomes in a proliferations of expertise access paths, and more work for the Optimizer. thankfully, Db2 AI for z/OS can give the Optimizer the advice it should make wise entry path selections.the way it Works
The sequence of routine in Db2 AI for z/OS (See Reference 2) is often the following:
There are also quite a few consumer interfaces that supply the administrator visibility to the fame of the collected SQL remark efficiency statistics and mannequin scoring.summary
IBM's laptop studying for zOS (MLz) providing is getting used to notable effect in Db2 edition 12 to enhance the performance of analytical queries in addition to operational queries and their linked purposes. This requires management consideration, as you need to investigate that your business is ready to eat these ML and AI conclusions. How will you measure the prices and benefits of the use of laptop discovering? Which IT guide team of workers should be tasked to reviewing the effect of model scoring, and maybe approving (or overriding) the effects? How will you evaluation and justify the assumptions that the software makes about access course decisions?
In other words, how neatly were you aware your information, its distribution, its integrity and your existing and proposed access paths? this could determine where the DBAs spend their time in aiding analytics and operational application efficiency.
# # #
John Campbell, IBM Db2 distinctive EngineerFrom "IBM Db2 AI for z/OS: raise IBM Db2 application efficiency with computing device studying"https://www.worldofdb2.com/movements/ibm-db2-ai-for-z-os-boost-ibm-db2-software-performance-with-ma
Db2 AI for z/OShttps://www.ibm.com/assist/knowledgecenter/en/SSGKMA_1.1.0/src/ai/ai_home.html
See all articles by way of Lockwood Lyon
IBM unveiled a new edition of its flagship facts integration product -- IBM InfoSphere assistance Server eight.5 -- at its suggestions on Demand convention remaining week in Las Vegas. massive Blue also took the wraps off the newest edition of its mainstay database management equipment, IBM DB2.
SearchDataManagement.com was on the convention and sat down with Bernie Spang, IBM’s director of information administration product method, to get more details in regards to the new releases. Spang talked concerning the history of InfoSphere information Server and DB2’s new capabilities, and he explained one of the the reason why IBM is so drawn to acquiring information warehouse appliance vendor Netezza. listed below are some excerpts from that dialog:
could you give me a brief historical past lesson on the IBM InfoSphere product line?
Bernie Spang: It really has multifaceted origins. The statistics stage and quality stage, cleaning and ETL capabilities come from the Ascential acquisition a few years in the past. The federation and replication capabilities which are a part of InfoSphere tips Server have a heritage returned in IBM below distinctive names at different instances.
What are probably the most new capabilities in InfoSphere assistance Server 8.5?
Spang: one of the most enjoyable issues in regards to the InfoSphere assistance Server is the device set that comes together with it for accelerating the creation of integration jobs, as well as new quick-song capabilities and new business word list capabilities [that] enable the collaboration between business and IT on what the which means of statistics is and the way it flows collectively.
what's the new InfoSphere Blueprint Director?
Spang: That gives users the capability to seize the most effective practices for designing and building and laying out an integration job to make certain that you’re in fact in line with company needs and you’re pulling the correct tips together unless they’re within the way. It’s a further layer of collaboration that we’ve constructed into the product, and it permits clients to peer the first-rate metrics associated with each piece of statistics because it strikes during the technique.
What does Blueprint Director appear to be to the end user?
Spang: It’s a visual ambiance the place you’re laying out the mixing and you’re defining it and then that you would be able to use the quick-music means to generate the ETL jobs. It’s that visual toolset for defining your integration assignment. And it ties with the business word list, the place the company users and IT are agreeing on the definition of phrases.
What elements have you brought within the new version of DB2?
Spang: IBM DB2 edition 10 is a brand new product that we’re providing this week. [It offers] out-of-the-field efficiency improvements up to 40% for some workloads [and] enhanced scalability. The other exciting thing is a new ability that we’re calling DB2 time travel query – the capacity to question counsel within the existing, in the past and in the future. in case you’ve loaded guidance, like new pricing suggestions for subsequent quarter, you can do queries as if it have been subsequent quarter. when you have business agreements or guidelines that are over a time period, which you could do queries sooner or later and base it on how the policies might be in impact at the moment. groups already try this nowadays, however generally with the aid of writing software code. by way of pushing it down into the database application, we’re enormously simplifying the process and greatly reducing the amount of code.
IBM is within the method of buying Westboro, Mass.-based information warehouse appliance vendor Netezza and its container programmable gate array processor know-how. What exactly is the value of this expertise?
Spang: Processing speed is reaching the laws of physics [in terms of its] capability to proceed to grow, whereas on the equal time the need to procedure more counsel and do more transactions is growing unabated. So how do you get these subsequent-era performance advancements? you place the pieces together and particularly optimize them for specific workloads. That capacity you have to have the application optimized for the hardware even right down to the processor level. The field programmable gate array permits you to in fact application at a chip level, [and that leads to] plenty better speeds than having it written in application operating on a ordinary-purpose processor.
Title: C-degree/President manager VP body of workers (associate/Analyst/and so forth.) Directorcharacteristic:
position in IT resolution-making method: Align business & IT desires Create IT approach determine IT needs manipulate dealer Relationships evaluate/Specify manufacturers or vendors different position Authorize Purchases not involvedWork mobile: company: company size: industry: street tackle metropolis: Zip/postal code State/Province: country:
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Next version of z/VSE looks like an operating system reborn
IBM Corp.’s z/VSE operating environment is still going strong. Although z/VSE doesn’t boast much in the way of market share or revenue growth—not, at least, when compared to other, sexier System z workloads, such as Linux or zSeries Integrated Information Processor—Big Blue continues to invest in and improve the z/VSE experience.
If ongoing technology investment and new operating system revisions are positive indications of a platform’s viability, z/VSE looks as viable as ever.
Consider IBM’s upcoming z/VSE 4.2 release, for example. While Big Blue has been slow to introduce support for Linux and other next-gen workloads in previous iterations of z/VSE—at least relative to what it’s done with both z/VM and z/OS—the latest version of that venerable operating environment looks like VSE reborn, with better support for z/Linux, a new Encryption Facility, expanded storage support, and improved performance and scalability.
The rub, of course, is that customers will have to wait until late next year to get their hands on it: z/VSE 4.2 isn’t slated to ship until Q4 of 2008.
By the time it does ship, it could help fuel pent-up demand.
The impetus, IBM officials say, is the ever-increasing uptake of Big Iron Linux: as customers deploy more zLinux workloads on System z mainframes, they’re increasingly running them in conjunction with z/VSE applications.
For one thing, says Jerry Johnston, System z technical sales specialist and Boeblingen Lab senior advisor with IBM, the new release should make it easier for customers to expose their VSE applications to zLinux.
"There are a number of integration possibilities," he says. "Each customer is different. For example, four European customers presented solutions at the recent [Guide Share Europe] conference in Boeblingen. A couple of them have z/VSE applications that access data stored in DB2 UDB on Linux on System z. Another is working on WebSphere applications under Linux on System z that can access data stored in files on z/VSE."
There’s also HiperSockets, z/VM, and Integrated Facility for Linux (IFL) integration, too. "Customers can implement integrated solutions that exploit System z 'HiperSockets' for fast, secure communications between z/VSE and Linux on System z," he continues. "They can take advantage of low-cost IBM System z Integrated Facility for Linux (IFL) specialty engines. Last, but not least, customers can take advantage of IBM's world-class virtualization technology, z/VM, to get the most from their Linux on System z and z/VSE systems."
z/VSE 4.2 also eliminates a long-standing VSE bottleneck: a limit of 255 concurrent processes. In most cases, Johnston says, users have been able to work around this; once z/VSE 4.2 becomes generally available, they won’t have to. "The z/VSE operating system itself uses 32 of those [tasks]. Subsystems like CICS, VTAM, TCP/IP, DB2, [and so on] each use a number of tasks. They reduce the number of tasks available to the user for application programs," he explains. "z/VSE V4.2 users will have more than 255 tasks to work with. That means, for example, they can create more CICS and batch partitions in z/VSE V4.2. More partitions increase the ability of the system to do useful work, [which leads to] better scalability."
The new revision will also explode a traditional storage bottleneck, Johnston continues. True, z/VSE 4.1—which shipped earlier this year—eliminated the long-standing 2 GB central storage restriction (it boasted support for up to 8 GB of real storage), but z/VSE 4.2 will go that several orders of magnitude better.
"Now, z/VSE V4.2 is designed to support up to 32 GB … of real processor storage," he says, which could entail additional scalability benefits. "Larger real memory may lead to a reduction in paging. Paging occurs when a task needs central storage but no free storage is available. At that point, the operating system has to find a page to remove, transfer it to external page storage, and start the new activity. From a system point of view, paging is just wasted activity and to be avoided. z/VSE V4.2's support for up to 32 GB of real storage means that, in many cases, less paging will occur."
Finally, Johnston concludes, z/VSE 4.2 will ship with a new Encryption Facility to better secure business data. This is a more involved proposition than it might seem, he points out. For starters, the function of the new Encryption Facility for z/VSE V1.1 is roughly equivalent to that of the z/OS variant (also at version 1.1). This means both implementations are also interoperable. "Tapes created by one can be read by the other," Johnston says.
At all events, z/VSE’s new Encryption Facility will help protect against the accidental (and frequently quite literal) loss of data.
"You may have seen news stories about tapes that have been 'lost.' There have been articles about tapes that have been misplaced, stolen, dropped off the back of a delivery truck, taken from a truck while the driver was having coffee, etc.," he explains. "One solution to avoid the compromise of business/personal data is to encrypt the tape. … If a tape falls into the wrong hands, the information is safe because it cannot be read without knowing the key."
VSE’s new Encryption Facility will be packaged and licensed as an optional, priced feature of IBM’s VSE Central Functions version 8, according to Johnston. This product includes the basic VSE operating system, along with a passel of other features. As with z/OS, the Encryption Facility for z/VSE also exploits built-in System z features to accelerate encryption and reduce processing costs. "[Encryption Facility] for z/VSE exploits new System z hardware instructions designed to accelerate the encryption process. These instructions are part of a no-charge, optional hardware feature—available on z990/890, z9 EC, and z9 BC models—known as CP Assist for Cryptographic Function," Johnston indicates. "Similarly, when compressing data, [Encryption Facility] for z/VSE uses System z hardware compression instructions."
As an added bonus, it’ll also be eligible for the Midrange Workload License Charges pricing scheme that Big Blue introduced earlier this year.
Stephen Swoyer is a Nashville, TN-based freelance journalist who writes about technology.
NewsApache Synapse Bumped to Top Project Status
In addition, version 1.1.1 of Apache Synapse has been released under Apache 2.0 software licensing.
The higher profile for Apache Synapse marks its ability to go beyond "just integrating Web services," according to Paul Fremantle, chair of the Apache Synapse project management committee and vice president of technical sales at WSO2 Inc.
"The advancement of Apache Synapse to a Top-Level Project reflects a wider maturity of the project, growing developer interest, and a different appeal and approach to the other open source ESBs in the marketplace," Fremantle stated in an announcement issued by the Foundation.
Apache Synapse is an enterprise-grade open source ESB for message routing in service-oriented architecture-type deployments. It supports multiple open standards, including "HTTP, SOAP, FTP, SMTP, XML, XSLT, XPath, JMS, Web Services Security (WSS), Web Services Reliable Messaging (WS-RM)," and others, according to the announcement.
The ESB can be used to connect "multiple back-end systems including record-based files, DB2 mainframe-based systems, and IBM MQ Series," Fremantle stated.
It's currently being used in a commercial deployment by New Zealand-based system integrator Black Coffee Software, according to the announcement.
Additional information about Apache Synapse v1.1.1, which is currently available for download, can be found here .
Kurt Mackie is online news editor, Enterprise Group, at 1105 Media Inc.
For Sun SPARC hardware customers, this sounded great. But just five days later, Oracle announced its second version of the Oracle Exadata high-performance appliance. While Exadata is built on Sun hardware (as opposed to Exadata v1, which was built on HP hardware), it does not incorporate any of the promises outlined in the September 10 advertisement to Sun customers. That's right: Exadata v2 is built on Sun's Intel Xeon 5500 series-based servers running Oracle Enterprise Linux. No SPARC or Solaris in this appliance.
While this may appear as a cause for confusion, if we think back in time, we realize that the Exadata v2 appliance must have been well in flight at the time of the Oracle-Sun merger announcement earlier this year. Integrating software and hardware to create a product like this for enterprise deployment and support requires a long period of development, testing and support preparation. Making course changes to integrate with Solaris and SPARC would have resulted in significant product delays.
Therefore, the Exadata v2 announcement cannot be reliably used to predict what the merged Oracle-Sun company will do with its hardware.
SPARC and Solaris customers speak outI've had the opportunity to talk with a number of customers since my June article on the subject of SPARC and Solaris deployments, and I've learned some things that I'd like to share.
Given this information, we can see more clearly the best roadmap for Sun SPARC hardware. It simply boils down to what the application's needs are.
IF the application's scalability requirements can be met with Intel- or AMD-based commodity servers,
THEN migrate from entry-level or midrange SPARC servers to commodity AMD or Intel servers.
ELSE, maintain or upgrade high-end SPARC server to support the application's scalability requirements until a future time when commodity servers can meet the application's scale-up requirements (two to five years, depending on needs).
Only a handful of enterprise applications will fall into this category, but nearly all of them will be dependent upon Oracle's cornerstone product: the Oracle 11g database.
Oracle's probable Sun hardware plansBased on this information plus the need for Oracle to protect its high-end database revenue, it does make sense for Oracle to invest in the high-end SPARC- and Solaris-based servers for those application/database configurations that require scale-up hardware environments.
While these cases are few in comparison with other workloads, they tend to be mission critical for the customer, and high-margin sales for Oracle and Sun. Additionally, it is with these high-end workloads that Oracle will need to compete with IBM in order to ward off the threat of IBM's DB2 database product.
Expect the entry-level and mid-range SPARC hardware offerings to be discontinued or pushed to a partner such as Fujitsu.
The EU FactorThe European Union's probe into the database market (given that Oracle will also own the MySQL database products after the merger) has placed additional pressure on Sun and Oracle to do something. This probe was announced September 3 and is undoubtedly the cause of the Oracle open advertisement to Sun customers about its SPARC and Solaris plans. Further delays on the merger only grant Sun's hardware competitors more time to harvest fearful and weary Sun customers. Oracle's biggest threat is IBM -- the competitor specifically identified in the Oracle advertisement.
Unfortunately, we have longer to wait until we hear the definitive plans for Sun's assets from Oracle.
ABOUT THE AUTHOR: Richard Jones is vice president and service director for Data Center Strategies at Midvale, Utah-based Burton Group. He can be reached at email@example.com.
What did you think of this feature? Write to SearchDataCenter.com's Matt Stansberry about your data center concerns at firstname.lastname@example.org.
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