Yes and you could make it even more speedy with the use table partitioning. http://www.postgresql.org/docs/8.1/interactive/ddl-partitioning.html
> select > t1.domain_id as domain_id, > t1.mta_id as mta_id, > t1.run_id as run_id_1, > t1.attribute1 as attribute1_1, > t1.attribute2 as attribute2_1, > t2.run_id as run_id_2, > t2.attribute1 as attribute1_2, > t2.attribute2 as attribute2_2 > from > t t1 > join t t2 on > t1.mta_id = t2.mta_id and > t1.domain_id = t2.domain_id and > (t1.attribute1 != t2.attribute1 or t1.attribute2 != t2.attribute2) -- cu Chris Ist Ihr Browser Vista-kompatibel? Jetzt die neuesten Browser-Versionen downloaden: http://www.gmx.net/de/go/browser ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
