COBOL Manual for TNS and TNS/R Programs

Procedure Division Verbs
HP COBOL Manual for TNS and TNS/R Programs—522555-006
9-126
MERGE
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If no =_SORT_DEFAULTS DEFINE exists, then the swap file is created on
the volume used for the scratch file.
For more information on the =_SORT_DEFAULTS DEFINE, see Establishing
Parameters With =_SORT_DEFAULTS DEFINE.
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If the SELECT statement associated with merge-file does not specify the
=_SORT_DEFAULTS DEFINE as the define-name-literal, then the swap
file is created on the volume of the file that the SELECT statement specifies.
In Example 9-43, a MERGE statement merges two files to produce a third.