The key-of-reference defines the order in which data is read when an indexed file is specified as an input file.
Parameters
| n | The number of the key to be used where the primary key is 0 and the alternate keys are numbered, starting at 1, in the order they are specified in the SELECT statement in the creating program. |
Default
If no /x option is specified, the primary key (key 0) is assumed.
Example
-x:2
Data is written in the order specified by the second alternate key for the file.