How can duplicate records in a COBOL file be identified?
- By comparing each record with a master file
- By performing a sequential search in the file
- By using the DUPLICATES phrase in the SELECT statement
- By utilizing the ALTERNATE KEY clause
Duplicate records in a COBOL file can be identified by using the DUPLICATES phrase in the SELECT statement. This allows the program to detect and handle records with identical key values efficiently.
Loading...
Related Quiz
- The OCCURS clause in COBOL is used for defining ________ in the Data Division.
- The 88-level condition names in COBOL are used for creating ________ conditions based on data values.
- In COBOL, what is the LEVEL number used for in the data description entry (FD)?
- Exception handling in COBOL often involves the use of the _____ clause.
- The "AT END" clause is often used in conjunction with the "NOT ON EXCEPTION" clause to handle errors that occur at the _____ of file processing.