The solution is to use SQL views, materialized views, or create a new table that contains only the filtered data the user needs.

As a result, you can now create a PROC SQL view, DATA step view, or SAS/ACCESS view with DBMS data. For this example you create a view descriptor, VLIB.ALLEMP, based on SYBASE data. The outer PROC SQL ...

PostgreSQL foreign data wrappers are a great way to expose APIs to SQL. And SQL is a great way to reason over the data.

SAS/ACCESS views and DATA step views are similar to PROC SQL views in that they are both data definitions of member type VIEW. SAS/ACCESS views describe data in DBMS tables from other software vendors ...