Multiple choice technology

Pick out the components which can be used to count the no of records in a flat file

  1. Compute checksum

  2. Rollup

  3. Redefine format

  4. All of the above
Reveal answer Fill a bubble to check yourself
A,B Correct answer
Explanation

Compute checksum can count records by calculating checksum across all records. Rollup component can aggregate and count records, especially when used with count() function and appropriate key specification. Redefine format changes record structure but doesn't perform counting operations.

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