In an EVALUATE statement, can I give a complex condition on a when clause?

Can you REWRITE a record in an ESDS file? Can you DELETE a record from it?

Can rewrite(record length must be same), but not delete.

Mainframe

How is sign stored in a COMP field ? What does EXIT do ? What are different file OPEN modes available in COBOL? What should be the sorting order for SEARCH ALL? How is sign stored in Packed Decimal fields and Zoned Decimal fields? What is the maximum size of a 01 level item in […]

What is 77 level used for ?

Elementary level item. Cannot be subdivisions of other items (cannot be qualified), nor can they be subdivided themselves.