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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 ⇢
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SQL NULL: Tricky Interview Question
SQL NULL example query and how it returns when you write query. Read more. Read More ⇢
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Mainframe Vs Unix Top Differences
Mainframe and UNIX operating system differences to read today. Read More ⇢
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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 ⇢
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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 ⇢
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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… Read More ⇢
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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,… Read More ⇢
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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… Read More ⇢
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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. Read More ⇢
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