Hi,
I'm just beggining in PostgreSql 9.0
I've created a table ,like this:
CREATE TABLE auxiliar
( ano integer, codigodc character varying, id character varying, concat_id character varying NOT NULL, CONSTRAINT
concatPRIMARY KEY (concat_id);
Now i want to insert values on concat_id resulting from a function
called "concat_id"
INSERT INTO concat_id
SELECT(concat_id) FROM auxiliar ;
I get "error null value in column"concat_id" violatres not null
constraint
Could anyone tell me what am i doing wrong?
Ana