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| SORTEQOP |
| Default: | SORTEQOP |
| Valid in: | configuration file, SAS invocation, OPTIONS statement, OPTIONS window |
| Category: | Sort: SORT |
| OS/390 specifics: | all |
| Syntax | |
| Details |
Syntax |
| SORTEQOP | NOSORTEQOP |
| Details |
The SORTEQOP option specifies whether the host sort utility accepts the EQUALS option. (The EQUALS option sorts observations that have duplicate keys in the original order.) If the utility does accept the EQUALS option, then SORTEQOP causes the EQUALS option to be passed to it unless you specify NOEQUALS in the PROC SORT statement. If NOSORTEQOP is in effect, then the EQUALS option is not passed to the host sort utility unless you explicitly specify the EQUALS option in the PROC SORT statement.
Note that equals processing is the default for PROC SORT. Therefore, if NOSORTEQOP is in effect, and if you did not explicitly specify EQUALS, then the host sort interface must do additional processing to ensure that observations with identical keys will remain in the original order. This may adversely affect performance.
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Copyright 1999 by SAS Institute Inc., Cary, NC, USA. All rights reserved.