See SQL Procedure's Interaction with SAS/ACCESS Software for detailed information. Note: It is recommended that you use the new SAS/ACCESS LIBNAME statement to access your DBMS data more directly and ...

When SAS data is joined to DBMS data by using a Pass-Through query, PROC SQL cannot optimize the query. In this case it is much more efficient to use a SAS/ACCESS LIBNAME statement, as shown in the ...