Sequence Indentity MSSQL Tutorial

12>  CREATE TABLE customer
13> (
14> cust_id      int            IDENTITY  NOT NULL  PRIMARY KEY,
15> cust_name    varchar(30)    NOT NULL
16> )
17> GO
1>
2> EXEC sp_helpconstraint customer
3> GO
Object Name
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
customer
constraint_type                                                                                                                                    constraint_name
                                                                            delete_action update_action status_enabled status_for_replication constraint_keys
-------------------------------------------------------------------------------------------------------------------------------------------------- -----------------------------------------------------
--------------------------------------------------------------------------- ------------- ------------- -------------- ---------------------- ----------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------
PRIMARY KEY (clustered)                                                                                                                            PK__customer__383021B8
                                                                            (n/a)         (n/a)         (n/a)          (n/a)                  cust_id
No foreign keys reference table 'customer', or you do not have permissions on referencing tables.
1>
2> drop table customer;
3> GO