Multiple choice technology mainframe

For KSDS or RRDS ,when DELETE statement is used the file must be opened in

  1. Input mode

  2. outout mode

  3. I/O mode

  4. extend
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

DELETE operations on KSDS and RRDS VSAM files require I/O mode because you need to both read (to locate the record) and delete (modify) it. Input mode doesn't allow modifications, output mode doesn't allow reading to locate records, and extend mode is only for adding new records at the end.

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