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Is it slower if you access a record through alt index as compared to primary index?
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During processing of a VSAM file, some system error occurs and it is subsequently unusable . What do you do ?
What is a base cluste?
How to delete a member using JCL.?
FREESPACE can be specified for which type of cluster? a.LDS b.RRDS c.ESDS d.KSDS
is delete operation supported in an esds? Is rewrite operation possible in esds?
what is the purpose of the verify function of idcams?
1. delete is not possible in esds. why? 2. i have 10 records in a esds file and i want to delete only 1st record ..then what i have to do?.. it will not affect any sequence of the RBA. 3. why open extend is not possible in rrds vsam file?
Explain the catalog?
Tell me how many alternate indexes you can have on a dataset?
how can you copy to a vsam cluster?
Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?
to use the rewrite command, how should the vsam file be opened?
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