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If i am going to change some variable in a copybook( size or
variable type) ,what are the changes that need to be done in
the corresponding JCL.
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Answer Posted / muttaiah
Generally, There are 2 type of copybooks.
Data division copy book
These copybooks are usually used to represent the
structure of the file or variables used in Cobol. Say if
there are any changes in the layout of copybook. make sure
the length specified in JCL LRECL is appropriate.
Procedure division Copybook.
These copybooks will have some cobol stmts coded in them.
For this copybooks there can be no changes in JCL.
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