-- Role Audits SELECT CONCAT('WARNING: Table ', TABLE_NAME, ' already exists.') AS msg_warning FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'Shop_Role_Audit'; CREATE TABLE Shop_Role_Audit ( id_audit INTEGER NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY, id_role INTEGER NOT NULL, CONSTRAINT FK_Shop_Role_Audit_id_role FOREIGN KEY (id_role) REFERENCES Shop_Role(id_role) ON UPDATE RESTRICT, name_field VARCHAR(50), value_prev VARCHAR(255), value_new VARCHAR(255), id_change_set INTEGER NOT NULL, CONSTRAINT FK_Shop_Role_Audit_id_change_set FOREIGN KEY (id_change_set) REFERENCES Shop_User_Change_Set(id_change_set) ON UPDATE RESTRICT );