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| 15. 1. 6. IDENTITY/NOT NULL/PRIMARY KEY |
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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
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customer
constraint_type constraint_name
delete_action update_action status_enabled status_for_replication constraint_keys
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--------------------------------------------------------------------------- ------------- ------------- -------------- ---------------------- ----------------------------------------------------------
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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
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