What Are The Values Of :new And :old In Insert / Delete / Update Trig

1.	What Are The Values Of :new And :old In Insert / Delete / Update Triggers ?
Answer» INSERT : NEW = new VALUE, OLD = NULL. DELETE : new = NULL, old = old value. UPDATE : new = new value, old = old value. INSERT : new = new value, old = NULL. DELETE : new = NULL, old = old value. UPDATE : new = new value, old = old value.

What Are The Values Of :new And :old In Insert / Delete / Update Triggers ?

Answer»

INSERT : NEW = new VALUE, OLD = NULL.

DELETE : new = NULL, old = old value.

UPDATE : new = new value, old = old value.

INSERT : new = new value, old = NULL.

DELETE : new = NULL, old = old value.

UPDATE : new = new value, old = old value.