Answer Posted / shekar
Triggers: It checks the condition and Performs some action
eg: it checks and fires before or after insert or update
or delete
Constriants: it checks the condition
eg: suppose NotNull constraint.It jst doesn't allow null
values.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is the difference between the implicit and explicit cursors?
Can a commit statement be executed as part of a trigger?
What is an implicit commit?
What is crud stand for?
What are the packages in pl sql?
What is the purpose of normalization?
What is scalar function?
What type of join is sql join?
What is program debugging?
how can we take a backup of a mysql table and how can we restore it. ? : Sql dba
If the application is running very slow? At what points you need to go about the database in order to improve the performance?
Why we use join in sql?
What is a ddl command?
What is the primary use of normalization?
what is unique key constraint? : Sql dba