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For rewrite, why is it mandatory that file needs to be opened?
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what is s000 u4087 error? please give the all error codes in cobol,jcl.
Describe the cobol database components?
Why occurs cannot be used in 01 level in COBOL?
how will you define vsam file in select clause?
What guidelines should be followed to write a structured Cobol program?
What are the pertinent COBOL
In CICS/VSAM every file that is accessed should be defined in FCT. we have CICS READ, WRITE, BROWSE commands for VSAM files. How does it work with DB2 tables. It know it has to do with the plan. Please expain with examples.
I have two files , file1 is input file it contains 10,20,30,....,records but i want to display the records in file 2 as reverse order .how can we do by using jcl& cobol(dont use array) please any one can tell me the answer
EXPLAIN MAIN FRAME TESTING PROCESS...HOW TO FIX THE MAINFRAME BUGS?
What is an in line PERFORM? When would you use it? Anything else to say about it?
what is search and searchall?what is the diffrence between them?give an best example?
Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?
COBOL 
