am 25.05.2005, um 13:58:07 -0300 mailte [EMAIL PROTECTED] folgendes: > Hi. > Thanks for the article... > But, I have read it and the query works very slow... > My table have aprox. 180.000 records (correct) and in entire table it has > aprox.360.000 records(duplicated)...
How often is this necessary? > Is there a way to delete those duplicated records faster??? Remembering the > table have aprox 360.000 records... I dont know, but i think, you should prevent duplicated records in the future, and make the job (delete duplicates) now. Btw.: you wrote, there is a primary key on the first row. Real? ,----[ sorry, messages in german language ] | test_db=# create table blub (id int primary key, name varchar); | HINWEIS: CREATE TABLE / PRIMARY KEY erstellt implizit einen Index >>blub_pkey<< für Tabelle >>blub<< | CREATE TABLE | test_db=# insert into blub values (1, 'x'); | INSERT 970706 1 | test_db=# insert into blub values (1, 'y'); | FEHLER: duplizierter Schlüssel verletzt Unique-Constraint >>blub_pkey<< `---- In other words: if there a primary key on the first row, you cannot insert duplicates. Regards, Andreas -- Andreas Kretschmer (Kontakt: siehe Header) Heynitz: 035242/47212, D1: 0160/7141639 GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net === Schollglas Unternehmensgruppe === ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
