Restriction: The BASE= data set must be a member of a SAS library that supports UPDATE access. The TAPE engine and the XPORT engine are examples of engines that do not support UPDATE access.

The following example uses the APPEND procedure's FORCE option to append a SAS data file with extra variables to the view descriptor VLIB.SQLEMPS. You must be granted DBMS-specific INSERT privileges ...

If you need to combine like-for-like datasets in several Excel worksheets into one table, don't waste time and risk making mistakes by doing this manually. Instead, use Excel's powerful Power Query ...