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Give the cobol definition of a varchar field 177 when can an insert of a new primary key value threaten referential integrity?

Question Posted / saurabh kumar


Give the cobol definition of a varchar field 177 when can an insert of a new primary key value threa..

Answer / Meenakshi Sandiliya

In COBOL, define a variable as '01 my-varchar PIC X(177). To avoid threats to referential integrity when inserting a new primary key value, ensure that the foreign key in other tables references valid primary key values present in the table.

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