is it required that primary key values have to be unique? Do alternate key values have to be unique?

1103

What is the purpose of relative record data set used in vsam?

1155

What are the different dataset organizations used in vsam?

1056

What is the purpose of having vsam data space?

1016

What are the different parameters that are used in vsam?

1204

What is the function of linear dataset in vsam?

1119

If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

1148

Why is it required to have a keyed directed retrieval?

1088

what is the syntax of ams modal commands?

1329

How to get the last record in vsam file in cluster?

1069

in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?

1251

How is record management performed in vsam?

1222

Define gdg?

1032

to use the rewrite command, how should the vsam file be opened?

1367

there are seven idcams commands in vsam. Can you name and explain each of them?

1164