What happens when you open an empty VSAM file in a COBOL
program for input?
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Answer Posted / jitendra kumar r
use OPTION key word after the select in file control.
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Define gdg?
Explain the function of the relative record data set?
what will happen if there is no secondary allocation made for datasets?
what do you mean by gdg in vsam?
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?
what is the syntax of ams modal commands?
How does control intervals and control areas related to each other?
what is the use of the file status clause in the select statement in vsam?
What is the purpose of control intervals in vsam?
What is the purpose of idcams?
What is a lds (linear data set)?
Using alternate indexes in cics program?
explain how many ways you can load data in a vsam cluster?
what are the codes returned by the ams (access method services) command during the execution 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.
