What is a constraint. Types of constraints ?
Answer Posted / ravi
constraints are two types
1.Rule based constraint
2.cost based constraint
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is execution plan in sql?
how to extract a unit value from a date and time? : Sql dba
what is the difference between nested subquery and correlated subquery?
Name the different types of indexes in sql and define them.
define data blocks ? : Sql dba
How much ram can sql express use?
What is loop in pl sql?
Is like operator in sql case sensitive?
What is package in pl sql with an examples?
Why do we need cursor in pl sql?
What is sql trigger example?
Can we join 3 tables in sql?
How many sql core licenses do I need?
What is plpgsql language?
What is file based approach?