3
customerid char(5) NOT NULL,
4
companyname varchar(40) NOT NULL,
5
contactname varchar(30),
6
contacttitle varchar(30),
10
postalcode varchar(10),
14
PRIMARY KEY(customerid)
17
CREATE INDEX customers_city_idx ON customers (city);
18
CREATE INDEX customers_companyname_idx ON customers (companyname);
19
CREATE INDEX customers_postalcode_idx ON customers (postalcode);
20
CREATE INDEX customers_region_idx ON customers (region);