Use the AS keyword in some places to add column alias : AS « Query « SQL Server / T-SQL Tutorial

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SQL Server / T-SQL Tutorial » Query » AS 
1. 22. 1. Use the AS keyword in some places to add column alias
4>
5>
6CREATE TABLE OrderDetails (
7>      OrderID int NOT NULL ,
8>      ProductID int NOT NULL ,
9>      UnitPrice money NOT NULL DEFAULT (0),
10>     Quantity smallint NOT NULL DEFAULT (1),
11>     Discount real NOT NULL DEFAULT (0)
12)
13> GO
1INSERT OrderDetails VALUES(10248,11,14,12,0)
2INSERT OrderDetails VALUES(10248,42,9.8,10,0)
3INSERT OrderDetails VALUES(10248,72,34.8,5,0)
4INSERT OrderDetails VALUES(10249,14,18.6,9,0)
5INSERT OrderDetails VALUES(10249,51,42.4,40,0)
6INSERT OrderDetails VALUES(10250,41,7.7,10,0)
7INSERT OrderDetails VALUES(10250,51,42.4,35,0.15)
8INSERT OrderDetails VALUES(10250,65,16.8,15,0.15)
9INSERT OrderDetails VALUES(10251,22,16.8,6,0.05)
10INSERT OrderDetails VALUES(10251,57,15.6,15,0.05)
11> go

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)
1>
2>    SELECT OrderID AS "Order Number", MIN(QuantityMinimum, MAX(QuantityMaximum
3>    FROM OrderDetails
4>    WHERE OrderID BETWEEN 11000 AND 11002
5>    GROUP BY OrderID
6> GO
Order Number Minimum Maximum
------------ ------- -------

(rows affected)
1>
2> drop table OrderDetails;
3> GO
1. 22. AS
1. 22. 1. Use the AS keyword in some places to add column alias
1. 22. 2. An alias allows you to change the name of a column in the result set
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