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DEFINE CLUSTER(cluster name) with the INDEXED parameter.
Also specify the ds name for the DATA component & the ds
INDEX component. Other important parms are RECORDSIZE, KEYS,
SHAREOPTIONS.
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What is the biggest disadvantage of using a vsam dataset?
Explain the index set?
Explain the function of the relative record data set?
what is the use of the file status clause in the select statement in vsam?
what are s0c1, s0c4, s0c5, s0c7 abends?
What is the purpose of having vsam data space?
Explain the device independent method to indicate where a record is stored?
Explain the catalog?
in a cobol select statement, can you tell what is the organization for a ksds?
what will happen if there is no secondary allocation made for datasets?
How is the sorting of vsam files carried?
what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?
explain in brief why do vsam take more disk space than other utilities?
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 me how many alternate indexes you can have on a dataset?
