Constraints MSSQL Tutorial

5>
6>    CREATE TABLE Shippers
7>    (
8>       ShipperID     int    IDENTITY    NOT NULL
9>          PRIMARY KEY,
10>       ShipperName   varchar(30)        NOT NULL,
11>       Address       varchar(30)        NOT NULL,
12>       City          varchar(25)        NOT NULL,
13>       State         char(2)            NOT NULL,
14>       Zip           varchar(10)        NOT NULL,
15>       PhoneNo       varchar(14)        NOT NULL
16>          UNIQUE
17>    )
18>    GO
1>
2>    drop table Shippers;
3>    GO