Perhaps something like: CREATE TABLE foo2 AS SELECT * FROM foo WHERE (rand() <= 0.60);
? HTH, Greg Williamson DBA GlobeXplorer LLC -----Original Message----- From: [EMAIL PROTECTED] on behalf of Andreas Kretschmer Sent: Tue 10/17/2006 1:34 AM To: pgsql-general@postgresql.org; pgsql-sql@postgresql.org; [EMAIL PROTECTED] Cc: Subject: Re: [SQL] [GENERAL] How to split a table? Felix Zhang <[EMAIL PROTECTED]> schrieb: > Hi, > > I want to split a table to 2 small tables. The 1st one contains 60% records > which are randomly selected from the source table. > How to do it? Why do you want to do this? Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknow) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889° ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match ------------------------------------------------------- Click link below if it is SPAM [EMAIL PROTECTED] "https://mailscanner.globexplorer.com/dspam/dspam.cgi?signatureID=4534936b271274356172766&[EMAIL PROTECTED]&retrain=spam&template=history&history_page=1" !DSPAM:4534936b271274356172766! ------------------------------------------------------- ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match