Alter table to add a constraint based on IN function : ALTER TABLE « Table « SQL Server / T-SQL Tutorial

5> CREATE TABLE MyTable (
6>   MyID Int IDENTITY(1, 1) NOT NULL
7>   ,MyDescription nVarChar(50) NOT NULL
8>   ,Region nVarChar(10) NOT NULL
9>   ,CONSTRAINT PK_ID PRIMARY KEY CLUSTERED (MyID))
10> go
1>
2>
3> ALTER TABLE MyTable WITH NOCHECK
4> ADD CONSTRAINT ckRegion CHECK
5> (REGION IN ('PNW','SW','MT','CENTRAL','EAST','SOUTH'))
6> GO
1>
2> drop table MyTable;

3.2.ALTER TABLE
	3.2.1.	The basic syntax of the ALTER TABLE statement
	3.2.2.	drop column syntax
	3.2.3.	Change the length of the emp_name column in the employee table from varchar(30) to varchar(50)
	3.2.4.	Alter table to add a constraint based on IN function
	3.2.5.	Altering a Table: A Basic Form
	3.2.6.	Alter table to add column
	3.2.7.	Alter table to drop a column
	3.2.8.	The DROP COLUMN clause provides the ability to drop an existing column of the table.
	3.2.9.	ALTER data size for a COLUMN
	3.2.10.	Altering a Table: Enhanced Form
	3.2.11.	Use ALTER TABLE statement to define the primary key
	3.2.12.	Use ALTER TABLE statement to define the foreign key of a table.
	3.2.13.	Each declarative integrity constraint can be removed using the DROP clause of the ALTER TABLE statement.
	3.2.14.	Expanded nvarchar(20) to nvarchar(300)
	3.2.15.	Creating a Computed Column in alter table command
	3.2.16.	Create a Table Index