Hi, "Group by" is what you're looking for..
select type,sum(value) from MyTable group by type Or for the total only Select sum(case when type='C' then value when type='W' then -value else 0 end) from MyTable hth Sylvain Barrette Architecte et analyste principal, RE/MAX Québec inc. Hi list, I would like a little help from you to get the sum value of various subsets of my table. My table is like this id | type | value 1 C 10.00 2 C 15.00 3 W 5.00 4 W 3.00 Where C is credit and w is witdraw. How do I sum all records with C and subtract with all records with type W ? Is it possible ? Ezequias -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.411 / Virus Database: 268.17.36/681 - Release Date: 2007-02-11 ---------------------------(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