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.
1976What are the optional parameters to the input dataset While loading the empty cluster with the data records?
IBM,
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What makes vrrds different from vsam?
What is the main function of key sequenced data set in vsam?
explain the differences between vsam and non-vsam files
how do you define an altindx ? How do you use altindxs in batch, cics programs?
what do you mean by a vsam split?
name a few common vsam status codes?
what is meant by dirty read in vsam?
what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?
how do you create an alternate index ?
What is a ci split? What is a ca split?
What is the device independent method to indicate where a record is stored?
what is the purpose of the verify function of idcams?
differentiate between sequential files and esds files in vsam?
what do you mean by idcams? Explain its purpose?
Differentiate between ci split and ca split?