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Q: How to handle SQLCODE -805?
Answer:
-805 is DBRM or package not found. Plan bound but package missing or invalidated. REBIND PACKAGE. Check collection, package name. Verify BIND completed successfully. May need BIND PLAN to add package.
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Q: What causes file status 97?
Answer:
Status 97 indicates OPEN problem, often password or integrity. May be: dataset locked, open elsewhere without sharing, damaged dataset. Check SHAREOPTIONS, verify cluster status, recovery may be needed.
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Q: What is VERIFY utility?
Answer:
VERIFY corrects catalog end-of-data after abend. IDCAMS VERIFY FILE(ddname). Recovers from improper close. Run if status 97 or catalog inconsistent. Should be run before processing after abnormal end.
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Q: How to diagnose VSAM problems?
Answer:
Check file status first. LISTCAT for definition. EXAMINE for structure. IDCAMS PRINT to see data. System messages in JES output. VERIFY after abnormal end. Statistics from catalog.
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Q: What is WRITECHECK?
Answer:
WRITECHECK verifies writes by reading back. Extra I/O for verification. Rarely needed with modern hardware. Can slow performance. Default off. Use only if data corruption suspected.
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Q: How to recover damaged VSAM?
Answer:
Run VERIFY first. Then REPRO if possible. May need forward/backward recovery from logs. EXAMINE checks for problems. May need DELETE and restore from backup.
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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: What causes IEF452I error?
Answer:
IEF452I is symbolic substitution error. Symbol not defined or wrong format. Check SET statements, PROC defaults. Verify symbol names match. May be missing &. Case matters for some systems.
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Q: How to handle CICS security?
Answer:
RACF/ACF2 integration. EXEC CICS QUERY SECURITY. SIGNON establishes identity. VERIFY checks resource access. XFCT/XPPT exits. Secure by default.