Multiple choice technology programming languages

Which one of the following is true about the MERGE verb.

  1. Can merge a maximum of three files.

  2. Does not require that the input file to be merged be sorted on the merge keys.

  3. Requires that all files mentioned in the statement must have records of same size

  4. Does not require that the position of the merge keys with in the records descriptions of each of the files must be same.
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C Correct answer
Explanation

The MERGE verb requires all input files to have records of the same size for proper merging. Input files must be sorted on merge keys, and merge keys must occupy the same position in each file's record description. The statement can merge more than three files.

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