What are two virtual tables available during database
trigger execution ?

Answer Posted / tulsi

The table columns are referred as OLD.column_name and
NEW.column_name.
For triggers related to INSERT only NEW.column_name values
only available.
For triggers related to UPDATE only OLD.column_name
NEW.column_name values only available.
For triggers related to DELETE only OLD.column_name values
only available

Is This Answer Correct ?    12 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is sql rowcount?

559


What is a temporal data type?

599


Which join condition can be specified using on clause?

517


What are the types of keys?

516


What is sql performance tuning?

497






what is myisam? : Sql dba

578


What is sql key?

525


What is sequence in sql?

509


What is java sql driver?

550


Can cursors be part of a trigger body?

1122


What is a common use of group by in sql?

593


what is a view? : Sql dba

638


How does sql*loader handles newline characters in a record? : aql loader

591


What are the built in functions of sql?

571


Which is faster joins or subqueries?

558