Question

Create a statement trigger called "bt_maj_adv_trigger" that would be work with both advisor as well as major table. If a record is inserted, deleted or updated in either of the table, the system will insert the user name, table name, date, and the dml command executed on the table. To insert this information, create an appropriate "log_maj_adv" table first before you create the trigger

Answer 1

Answer:

Create or replace trigger at_advisor

after delete or insert or update on advisor

for each row

Begin

  if inserting

then

  insert into

     log_maj_adv

  values

     (

        user, :new.adv_code, sysdate, 'insert'

     )

;

elsif deleting

then

  insert into

     log_maj_adv

  values

     (

        user, :new.adv_code, sysdate, 'delete'

     )

;

else

  insert into

     log_maj_adv

  values

     (

        user, :new.adv_code, sysdate, 'update'

     )

;

end if;

End;

Explanation:

as per above answer.

Answer 2

Answers ehowhejej

Explanation: