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Q: What is SQLCODE and what are common values?
Answer:
SQLCODE is a return code in SQLCA indicating the result of SQL execution.
Common SQLCODE values:
| 0 | Successful execution |
| 100 | No data found / End of cursor |
| -803 | Duplicate key on insert |
| -811 | Multiple rows returned for singleton SELECT |
| -904 | Unavailable resource |
| -911 | Deadlock/timeout |
| -922 | Authorization failure |
| -927 | DB2 not available |
Negative = Error, 0 = Success, 100 = No data
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Q: What causes JCL error S013-14?
Answer:
S013-14 is member not found in PDS. Check: DD name matches program expectation, member name spelled correctly, library in concatenation contains member, DISP allows access. Use LISTDS or ISPF 3.4 to verify member exists.
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Q: How does IEBCOPY work?
Answer:
IEBCOPY copies/merges PDS members. SYSUT1=input PDS, SYSUT2=output PDS. SYSIN: COPY OUTDD=SYSUT2,INDD=SYSUT1 copies all. SELECT MEMBER=name for specific members. REPLACE option overwrites existing. Can compress PDS.
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Q: What is transient data?
Answer:
TD queues for sequential I/O. EXEC CICS WRITEQ TD QUEUE(name) FROM(data). Intrapartition for CICS internal. Extrapartition for external datasets. Defined in DCT. Automatic trigger level option.
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Q: What is QIDERR?
Answer:
QIDERR is queue ID error. TS/TD queue not found. Check queue name. May need to create first (TS) or define (TD). Spelling error common.
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Q: How to use BLDINDEX utility?
Answer:
BLDINDEX creates AIX entries from base. IDCAMS BLDINDEX INDATASET(base) OUTDATASET(aix). Reads base cluster, writes AIX. Required after AIX definition. EXTERNALSORT for large datasets.