About the MERGE verb,which one of the following is true.

(a)Can merge a maximum of three files.
(b)Does not require that the input file to be merged be sorted on the merge keys.
(c)Requires that all files mentioned in the statement must have records of same size
(d)Does not require that the position of the merge keys with in the records descriptions of each of the files must be same.

Answer: c

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