Hi, Im sorry to disappoint you but this is an anti-performance solution. Use joins rathers than subqueries, and don't use joins if you can (all data in the mother table). Imagine that table2 has 30.000.000 records, and not good indexes. you can wait for your answer a long time. Best Regards -------------------- Mathias FATENE Hope that helps *This not an official mysql support answer
-----Original Message----- From: Peter Brawley [mailto:[EMAIL PROTECTED] Sent: lundi 25 avril 2005 22:17 To: Jeff McKeon Cc: mysql@lists.mysql.com Subject: Re: Query question Jeff, Then do it with 2 queries, SELECT @d := MAX( datestamp ) FROM table2 WHERE parentID = X; SELECT * FROM table2 WHERE parentID = X AND [EMAIL PROTECTED]; PB ----- Jeff McKeon wrote: Thanks all but I don't have a mysql version high enough for subqueries. Thanks, Jeff -----Original Message----- From: Peter Brawley [mailto:[EMAIL PROTECTED] Sent: Monday, April 25, 2005 4:01 PM To: Jeff McKeon Cc: mysql@lists.mysql.com Subject: Re: Query question Jeff, Something like ... SELECT * FROM table2 AS a WHERE datestamp = ( SELECT MAX( b.datestamp ) FROM table2 AS b WHERE a.parentID = b.parentID ); PB ----- Jeff McKeon wrote: I have a table that contains records that link back to a main talbe in a many to one configuration linked by table1.id = table2.parentid Table1 (one) Table2 (many) I want to pull the latest records from table2 for each record in table1 where certain criteria applie. So, if record 100 in table1 links to 5 corresponding records in table2, I want to pull the latest record from table2 where table2.parentid = 100 and table2.user not like 'john' There is a datestamp field in table2. I just can't figure out how to do this. Thanks, Jeff -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.10.2 - Release Date: 4/21/2005
