On Sunday 13 July 2003 17:32, Jo wrote: > These are my PostgreSQL tables: > > pid | name > 1 | A > 2 | B > 3 | C > 4 | D > 5 | E > > tid | pid 1 | pid 2 | pid 3 > 1 | 1 | 2 | 3 > > Bascially, I would like to write a query to list only > the names which their "pid" match those pids in the > other table. If anyone knows, pls help!!
Jo - not sure how your message took this long to reach the list, but it doesn't look like someone has answered, so... SELECT DISTINCT a.name FROM table_a AS a, table_b as b WHERE a.pid=b.pid1 OR a.pid=b.pid2 OR a.pid=b.pid3; -- Richard Huxton Archonet Ltd ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
