Difference between revisions of "Creating tables in SQL Server"
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Foreign constraint prevents invalid data from being entered into the foreign key column. The foreign key value must be one of the values contained in the table it references. | Foreign constraint prevents invalid data from being entered into the foreign key column. The foreign key value must be one of the values contained in the table it references. | ||
| − | Creating a table using sql<br> | + | '''Creating a table using sql'''<br> |
Create Table tblGender | Create Table tblGender | ||
Revision as of 00:50, 3 September 2015
Alter table table1 add constraint <name of constraint>
FOREIGN KEY (<column>) references table2 (<primary key column>)
Foreign constraint prevents invalid data from being entered into the foreign key column. The foreign key value must be one of the values contained in the table it references.
Creating a table using sql
Create Table tblGender { ID int NOT NULL Primary Key, Gender nvarchar(50) NOT NULL,
}
