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What is Threadsafe in CICS
The concept of thread safe well explained in this post. Read More ⇢
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How to Merge Date and Time to Make TimeStamp
Merge Date and Time of Table columns into single value as Timestamp. Read More ⇢
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SQL COUNT(*) Vs COUNT(DISTINCT)
COUNT function in SQL. Explained how to use to avoid NULL values and Duplicate values. Read More ⇢
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How to Say Correctly – If DB2 down will Pre-compilation successful
This is an interview questions if DB2 is down will the pre-compilation successful. Here is correct answer. Read More ⇢
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VSAM RRDS: Fixed Vs. Variable Length Records
The differences between variable and fixed-length records, I have simplified and posted these. Read More ⇢
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COBOL READ NEXT – How to Code Correctly Unlock now
INDEXED files cam be access in 3 ways (Refer previous post). There are key difference on the options especially how they support differenct file options. Below is the complete list file options. Read More ⇢
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3 Top VSAM File Access Modes
VSAM file access modes given in this post to handle VSAM files in COBOL modules. Read More ⇢
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CICS: GETMAIN Vs FREEMAIN to Manage Storage
4 Most searched Technics on how to manage storage using GETMAIN and FREEMAIN commands in CICS. CICS makes working storage available within each command-level program automatically, without any specific request from the application program, and provides other facilities for intermediate storage, both within and among tasks. Design for performance describes… Read More ⇢
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COBOL Figurative Constants How to Understand Correctly
HIGH-VALUE, HIGH-VALUES Represents one or more occurrences of the character that has the highest ordinal position in the collating sequence used. HIGH-VALUE is treated as an alphanumeric literal in a context that requires an alphanumeric character. For alphanumeric data with the EBCDIC collating sequence, the value is X’FF’. For other… Read More ⇢
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