Why is it required to have a keyed directed retrieval?
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how many ways can we open i vsam file ? like print ch ids (/) is thre any other way to open the vsam file please can any one answer ?
how many buffers are allocated to vsam ksds and esds?
Common VSAM Error conditions and codes
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?
What is VERIFY command ? when do you use this command?? What actually it does ??
what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?
what do you mean by gdg in vsam?
What is an RBA in rrds? What does it do? What is it used for?
What is the upgrade set?
Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?
What is a cluster?
What is Base Cluster ?