PLSQL TRIGGERS QUESTION.

Given a table create a trigger that such that any DML operation performed will lead to storing of username,sysdate and DML action performed to be stored in a table called locked and also old values should be stored in a separate table

(2) Delecion performed an sat, sun sladuled is rot permitted on dmploye table (1) 9 are- of you perform any DHt on a table tringger should find such that - he user name, sysdate 2 Action performed should be stared in a lable 'locked' arid also ald values should be stored in a seperate table