I have started writting query since a day on postGreS my query is : CREATE TABLE IF NOT EXISTS utilisateurs ( SEQU_NK SERIAL PRIMARY KEY NOT NULL UNIQUE, UTILISATEUR_NK bigint NOT NULL, NOM varchar(25) COLLATE latin1_general_ci NOT NULL DEFAULT '', PASSE varchar(40) COLLATE latin1_general_ci NOT NULL , RACCOURCI varchar(5) COLLATE latin1_general_ci NOT NULL, DROITS varchar(4) COLLATE latin1_general_ci NOT NULL DEFAULT '....' , CONSTRAINT UTILISATEUR_NK UNIQUE (UTILISATEUR_NK,NOM) ) ; COMMENT ON COLUMN utilisateurs.PASSE IS 'md5'; COMMENT ON COLUMN utilisateurs.DROITS IS 'ceps'; And the error is : ERROR: collation "latin1_general_ci" for encoding "UTF8" does not exist LINE 4: NOM varchar(25) COLLATE latin1_general_ci NOT NULL DEFAULT... ^ ********** Error ********** ERROR: collation "latin1_general_ci" for encoding "UTF8" does not exist SQL state: 42704 Character: 143 Could some one please help me ? -- View this message in context: http://postgresql.nabble.com/ERROR-collation-latin1-general-ci-for-encoding-UTF8-does-not-exist-tp5863581.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general