SELECT * FROM table_1
MINUS
SELECT * FROM table_2
Oracle AUTO_INCREMENT id
ALTER TABLE mytablename ADD (
CONSTRAINT pk_nomeindice PRIMARY KEY (ID));
CREATE SEQUENCE seq_nomeindice START WITH 1;
CREATE OR REPLACE TRIGGER tr_nomeindice
BEFORE INSERT ON mytablename
FOR EACH ROW
BEGIN
SELECT seq_nomeindice.NEXTVAL
INTO :new.id
FROM dual;
END;
Oracle PL/SQL: IS or AS?
IS e AS sono sinomini nelle procedure e nei package Oracle PL/SQL.
Oracle, How to list columns and details of a table?
DESCRIBE name_of_table;