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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?
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Answer Posted / harish
deletion is not possible in ESDS.....but u can rewrite them
, if of same lenght........
| Is This Answer Correct ? | 3 Yes | 0 No |
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How is record management performed in vsam?
what do you mean by idcams? Explain its purpose?
What is a base cluste?
to use the rewrite command, how should the vsam file be opened?
What is the device independent method to indicate where a record is stored?
Explain the index set?
what do you mean by recovery and speed parameters in define cluster command?
What is recovery parameters in define cluster command?
Explain the device independent method to indicate where a record is stored?
What is the purpose of control intervals in vsam?
What is a vsam dataset?
How do you calculate record size of an alternate cluster?
Explain the purpose of the file status clause in the select statement?
Yes. Because the alternate key would first locate the primary key, which in turn locates the actual record. Needs twice the number of I/Os.
What is the place for VSAM KSDS?
