Difference between revisions of "Creating tables in SQL Server"
From MyWiki
| Line 6: | Line 6: | ||
'''Creating a table using sql'''<br> | '''Creating a table using sql'''<br> | ||
| − | Create Table tblGender | + | Create Table tblGender<br> |
| − | { | + | {<br> |
| − | ID int NOT NULL Primary Key, | + | ID int NOT NULL Primary Key,<br> |
| − | Gender nvarchar(50) NOT NULL, | + | Gender nvarchar(50) NOT NULL,<br> |
} | } | ||
Revision as of 00:51, 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,
}
