what is the difference between trigger and constraint?
Answer Posted / kumar jabu
Constraints implements specific conduct or rules on table column like it determines whether field data should be unique,not null ..
But triiger implements rules on systems or application event.
whenever dml occurs that implemented rules been fired.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
How do I run a pl sql program?
Is it possible to update views?
How do you break a loop in pl sql?
what is 'trigger' in sql? : Sql dba
How to call a javascript function from pl sql?
Is natural join and inner join same?
Can we use update in sql function?
describe transaction-safe table types in mysql : sql dba
Is pl sql a scripting language?
what is an index? : Sql dba
What are records give examples?
What is left inner join in sql?
Is not null in sql?
Show how functions and procedures are called in a pl/sql block.
What is flag in sql?