Jürgen Baier wrote: > CREATE TABLE main ( ATT1 INT, ATT2 INT, PRIMARY KEY (ATT1,ATT2) ); > CREATE TABLE staging ( ATT1 INT, ATT2 INT ); > > Then I execute > > DELETE FROM main WHERE EXISTS (SELECT 1 FROM staging WHERE main.att1 = > staging.att1 AND main.att2 = staging.att2) > > which takes a very long time.
DELETE FROM main WHERE (att1, att2) IN (SELECT att1, att2 FROM staging); Regards, Clemens _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
