On Mon, 19 Jan 2004, Arun Gananathan wrote: > Hi, > Could anyone please let me know how to perform the following in > postgresql > I have two tables called P , Q with the same attributes and data > tpyes. I want to insert a record ( for example called A) into table P, > when deleting the same record( for example called A which is already in > the other table) from the other table Q.
Pretty straight ahead. You can either use a fancy trigger setup, or just do it in a transaction to ensure integrity: begin; insert into P (select * from Q where recid='A'; delete from Q where recid='A'; commit; If the insert fails, the delete won't happen either. That close to what you want? ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
