Multiple choice technology mainframe

When an I/O error occurred during data base access it returns

  1. AJ

  2. AI

  3. AO

  4. AM

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The AO status code is returned when an I/O error occurs during database access. This indicates a physical I/O problem (disk read/write failure) while attempting to access the GSAM database.

AI explanation

In IMS DL/I processing, status codes returned in the PCB indicate the outcome of a database call. The status code AO specifically signals that a physical I/O error occurred while trying to access the database, alerting the application that the operation could not complete due to a hardware/access-level failure rather than a logical condition like end-of-database.