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Tag: COBOL date handling

Handling Date Functions in COBOL

Posted on April 4, 2026May 16, 2026 by DBZtech

How to Work with Dates in COBOL Working with dates is a critical part of COBOL programming, especially in business systems handling transactions, reports, and records. This guide covers COBOL date handling…

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    Spot the SQL Performance Killer

    Which line in this DB2 query will cause a costly full table scan instead of using the index?

    1: SELECT EMP_ID, SALARY 
    2: FROM EMPLOYEE 
    3: WHERE YEAR(HIRE_DATE) = 2026;
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