Multiple choice technology mainframe

Data in the database-------------------------------IDENT-ID IDENT-NAME IDENT-AGE IDENT-SEX1234 AAAA 12 M1234 AAAA 12 F3456 CCCC 14 F6879 DDDD 17 M7625 EEEE 21 FHISTOGRAM IDENTIFICATION-TABLE BY SUPER-ID-NAME-AGE STARTING FROM '1234' WRITE IDENT-ID IDENT-NAME IDENT-AGE IDENT-SEXEND-HISTOGRAMWhat will be the output of the job?

  1. 4 records will be displayed

  2. 5 records will be displayed

  3. Job will fail abnormally

  4. Job will run successfully but will not show any records
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The HISTOGRAM uses a superdescriptor SUPER-ID-NAME-AGE. In the data, IDENT-ID 1234 appears twice with different values for NAME/SEX (AAAA/M vs AAAA/F). This creates a duplicate key situation in the superdescriptor, which violates Adabas uniqueness constraints. The job will fail abnormally due to this constraint violation.

AI explanation

The HISTOGRAM function in this mainframe sort/report utility is driven by a key (here, SUPER-ID-NAME-AGE) starting from a given value, and the input data contains a duplicate IDENT-ID value (1234 appears twice with the same name and age but different sex). That kind of duplicate/inconsistent key data for a histogram/summary operation causes the job to abend rather than silently producing a partial or full listing, which is why the job fails abnormally rather than completing.

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