what are the idcams commands that can be used for vsam and explain each of them.
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if you wish to use the rewrite command how must the vsam file be opened?
What is speed parameters in define cluster command?
Why is master catalog used in vsam?
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.
Tell about the ams used in vsam?
By looking into the Jcl can we identify the dataset is VSAM?
5 Answers Cognizant, Keane India Ltd,
Define a path?
How many times secondary space allocated?
What are the different dataset organizations used in vsam?
What do you mean by dirty read ?
How Vsam was evolved? What was the equivalent file for ESDS,KSDS and RRDS prior to evolution? What were their disadvantages of those file which leads to evolution of ESDS,KSDS and RRDS files ?
what is a Base Cluster?
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