VSAM-Quiz Part-1

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All are latest questions. Check Quiz here.

How to check VSAM dataset?

EXAMINE
You can use the EXAMINE IDCAMS command to analyze and report on the structural integrity of the index and data components of a key-sequenced data set cluster (KSDS) and of a variable-length relative record data set cluster (VRRDS). Any problems with the VSAM data set will be reported by one of the IDCxxxxx messages.

VERIFY
The VERIFY command causes a catalog to correctly reflect the end of a VSAM data set after an error occurs while closing a VSAM data set. The error might

DIAGNOSE
The DIAGNOSE command can be used to scan a basic catalog structure (BCS) or a VSAM volume data set (VVDS) to validate the data structures and detect structure errors. 

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Author: Srini

Experienced software developer. Skills in Development, Coding, Testing and Debugging. Good Data analytic skills (Data Warehousing and BI). Also skills in Mainframe.