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Mainframe -Powerful features of Zo/s system
Zos powerful features Uses address spaces to ensure isolation of private areas Ensures data integrity, regardless of how large the user population might be. Can process a large number of concurrent batch jobs, with automatic workload balancing Allows security to be incorporated into applications, resources, and user profiles. Allows multiple communications subsystems at the same…
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DB2 Package and Its Versions
Here are the details about DB2 packages, and the need to keep multiple versions. The previous versions useful during code-blackout times, so that you can restore previous code correctly. DB2 Package Versions Sometimes we would like to keep multiple VERSIONs of the same PACKAGE. For example, in a fallback situation, it would be nice to…
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3 Top Methods to Access COBOL Program from Web
I have identified three methods, which help to keep Mainframe and COBOL modules are web enabled. Use a mechanism like EXCI or a local queue to make a request to a CICS transaction or a WebSphere Application Server application running on the z/OS system. From this runtime environment, make an outbound web services call. Interestingly…
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Top Reasons Why ESDS VSAM File Allows Duplicate Values
ESDS VSAM why it allows duplicate records whereas KSDS does not allows read for more details.
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DB2 Bind: Step-by-step Guide to Use Package Versions
Creating a package version: If you want to run different versions of a program without needing to make changes to the associated application plan, use package versions. This technique is useful if you need to make changes to your program without causing an interruption to the availability of the program. You can create a different…
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How to Check Status of Utility Jobs in DB2
The DB2® command DISPLAY UTILITY displays the status of utility jobs, including utility jobs in a data sharing group. The output from the command consists of informational messages only. One set of messages is returned for each job identified by the command. For utility jobs in a data sharing group, the output shows the member…
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Big Data and Analytics with DB2 v11
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DB2: The Real Benefit of Data Redundancy
Steps you always need to increase the availability of database. Read more.
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CICS EIBDATE: How to Know When Task is Started
Contains the date the task is started; this field is updated by the ASKTIME command. The date is in packed decimal form (0CYYDDD+) where C shows the century with values 0 for the 1900s and 1 for the 2000s. For example, the date 31 December 1999 has the EIBDATE value of 0099365 and the date…
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NVL and COALESCE Functions Basic Differences in DB2
The NVL function returns the first argument that is not null. ==>NVL(expression1, expression2) The arguments are evaluated in the order in which they are specified, and the result of the function is the first argument that is not null. The result can be null only if all the arguments can be null, and the result…
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CICS PIPELINE Complete Information
PIPELINE in CICS the purpose is you need during developing Web -services. How PIPELINE Works A CICS pipeline is shared by many different Web services, and is used to configure shared qualities of service. It is usually the CICS system programmer who is responsible for configuring PIPELINE resources. This is done using a pipeline configuration file. WSBind files are installed…
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How to pass a Channel to Local or Remote System in CICS
START CHANNEL >-START–TRANSID(name)–CHANNEL(name)————————–> –+——————–+–+——————-+—————><+-TERMID(name)——-+ ‘-SYSID(systemname)-‘‘-USERID(data-value)-‘ Description: START CHANNEL starts a task on a local or remote system, passing it a channel. Typically, the starting task uses the channel to pass data to the started task (although in some circumstances the channel can be empty). The starting task can also specify a terminal to be used by…
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