what is Constraint? How many types of constraints in SQL ?
Answer Posted / scornguy
Constraints are used to limit the type of data that can go
into a table.
NOT NULL
UNIQUE
PRIMARY KEY
FOREIGN KEY
CHECK
DEFAULT
Is This Answer Correct ? | 225 Yes | 29 No |
Post New Answer View All Answers
What is a fill factor?
What are diverse clauses that form a part of sql?
what is create database syntax? : Sql server database administration
Why and when do stored procedure recompile?
How would we use distinct statement? What is its use?
what is the information that can be stored inside a bit column? : Sql server database administration
Explain what are magic tables in sql server?
what is a schema in sql server 2005? Explain how to create a new schema in a database? : Sql server database administration
Do you know what are different types of replication in sql server?
Explain differences between web edition and business edition?
What is after dml trigger?
Explain nested stored procedure. Syntax and an example for create nested stored procedure?
explain different types of cursors? : Sql server database administration
Tell me what are the advantages of using stored procedures?
What are cursors and when they are useful?