Create personel table with primary key, auto increment and foreign key _1.
43+ Sql Create Table Foreign Key Pics. A keyword from standard sql. A foreign key is a way to enforce referential integrity within your sql server database.
Firebird Add Foreign Key To Firebird Database Tables Via The Alter Table Command from razorsql.com
You use the foreign key constraint to create a foreign key when you create or alter table. The foreign key can reference to another column in the same table. You can create a foreign key using create table, alter table, or sql server.
Departmentid int primary key identity(1,1), dname varchar(50)).
First argument is identity seed, second argument is identity increment value. You use the foreign key constraint to create a foreign key when you create or alter table. A foreign key means that values in one table must also appear in the foreign key in the child table will generally reference a primary key in the parent table. This tutorial helps you understand sql foreign key and show you how to define a foreign key using the foreign key constraints.