I'm having a bit of a problem with some SQL. I'm trying to do a match from one table to another. It works perfectly except for the last line. As soon as I add it NOTHING gets updated. I'm using SQL ...

Sharpen your SQL subquery super‑powers with this hands‑on, self‑contained practice set built around a fictional university. The project ships with an easy‑to‑load PostgreSQL script (Sub_query.sql) ...

Note: This example uses a Version 6 view descriptor with the Pass-Through Facility to access DBMS data. Beginning in Version 7, you can associate a libref directly with your DBMS data and use the ...