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.
2094What are the optional parameters to the input dataset While loading the empty cluster with the data records?
IBM,
1 5607
name the utility program closely associated with vsam?
Explain the device independent method to indicate where a record is stored?
is it required that primary key values have to be unique? Do alternate key values have to be unique?
What does the keyranges parameter in define cluster commends do?
Using alternate indexes in cics program?
if you wish to use the rewrite command how must the vsam file be opened?
What is the purpose of idcams?
how many buffers are allocated to vsam ksds and esds?
can you specify some the distinctive features of a ksds, key sequenced dataset?
Define a path?
what are s0c1, s0c4, s0c5, s0c7 abends?
What is the difference between lds and esds?
there are seven idcams commands in vsam. Can you name and explain each of them?
What is speed parameters in define cluster command?
what do you mean by recovery and speed parameters in define cluster command?
