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is delete operation supported in an esds? Is rewrite operation possible in esds?
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What is the use of KSDS,LDS,ESDS,RRDS??what is VRRDS?? How are all these useful in realtime scenario??Plz helpme out...Its a recent question in IGATE..
Explain about the file objects in vsam?
is it required that primary key values have to be unique? Do alternate key values have to be unique?
looking at the basic definition of VSAM file how to recognize whether it is a KSDS OR RRDS OR ESDS ?
Using alternate indexes in batch program?
What is Control Interval, Control Area?
In the COBOL SELECT statement for a KSDS what are the three possibilities for ACCESS?
Why is master catalog used in vsam?
what is meant by s0c-07 system abend codes?
Is it slower if you access a record through alt index as compared to primary index?
What are the distinctive features of a ksda, key sequenced dataset?
can any one tell "in esds in what structure records will stored?"
COBOL 
