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  • DB2: How to Create Function-Best example

    The example to created function in DB2. Read More ⇢

    DB2: How to Create Function-Best example

  • VSAM Verify: How to Resolve Catalog Errors

    Verify command in VSAM can be used to correct the catalog file related errors. The errors if any found in the files the verify command and checks and correct those error. This post is all about VSAM verify command. Read More ⇢

    VSAM Verify: How to Resolve Catalog Errors

  • How SYNCPOINT Performs to Carry out LUW in CICS

    How syncpoint works in CICS and syntax to write it you will know here. SYNCPOINT- Is thread safe command. It just establishes syncpoint. Syntax: SYNCPOINT—————————————————>< SYNCPOINT ROLLBACK – Back out to last syncpoint. This is also thread safe command. Syntax: >>-SYNCPOINT–ROLLBACK—————————————–>< Keep Reading  Read More ⇢

    How SYNCPOINT Performs to Carry out LUW in CICS

  • SQL NULL: Tricky Interview Question

    SQL NULL example query and how it returns when you write query. Read more. Read More ⇢

    SQL NULL: Tricky Interview Question

  • Mainframe Vs Unix Top Differences

    Mainframe and UNIX operating system differences to read today. Read More ⇢

    Mainframe Vs Unix Top Differences

  • Mainframe -OS/390 and ZO/s difference

    This question asked for many mainframe programmers. They are unable to tell correct answer. For your benefit I am giving the basic difference. OS/390: This architecture runs under 32 BIT address space Z/OS: This architecture runs under 64-BIT address space. Read More ⇢

  • JCL ‘BPXBATCH’ Utility to run UNIX commands

    Below is the sample JCL to run UNIX commands in JCL using the BPXBATCH utility. JCL to Use BPXBATCH Utility About ‘nc’: ‘nc’ is the command which runs netcat, a simple Unix utility that reads and writes data across network connections, using the TCP or UDP protocol. It is designed… Read More ⇢

    JCL ‘BPXBATCH’ Utility to run UNIX commands

  • 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… Read More ⇢

    Mainframe -Powerful features of Zo/s system

  • 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,… Read More ⇢

    DB2 Package and Its Versions