explain how do you define a gdg in vsam?
explain how can you initialize a vsam file before any operation?
what do you mean by gdg in vsam?
what are the additional information you should give in the dd statement while defining the next generation of a gdg?
name the utility program closely associated with vsam?
what do you mean by idcams? Explain its purpose?
is delete operation supported in an esds? Is rewrite operation possible in esds?
what will happen when you try to open an empty vsam file in a cobol program for input?
what are s0c1, s0c4, s0c5, s0c7 abends?
can you specify some the distinctive features of a ksds, key sequenced dataset?
how many buffers are allocated to vsam ksds and esds?
what do you mean by recovery and speed parameters in define cluster command?
explain in brief how you can create a vsam file?
why ci and ca splits are not possible in esds and rrds?
what is a base cluster in vsam?
