Tuple in SAS

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** Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives. **

A tuple can be used both in a sql procedure or a data step. Values are usually separated by commas, e.g., (v1, v2, v3). However, commas are not necessary.

where x in (v1, v2, v3) 

can also be

where x in (v1 v2 v3)