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4> CREATE TABLE Orders (
5> OrderID int IDENTITY (1, 1) NOT NULL ,
6> CustomerID nchar (5) NULL ,
7> EmployeeID int NULL ,
8> OrderDate datetime NULL ,
9> RequiredDate datetime NULL ,
10> ShippedDate datetime NULL ,
11> ShipVia int NULL ,
12> Freight money NULL DEFAULT (0),
13> ShipName nvarchar (40) NULL ,
14> ShipAddress nvarchar (60) NULL ,
15> ShipCity nvarchar (15) NULL ,
16> ShipRegion nvarchar (15) NULL ,
17> ShipPostalCode nvarchar (10) NULL ,
18> ShipCountry nvarchar (15) NULL
19> )
20> GO
1>
2>
3>
4> SELECT OrderID, OrderDate
5> FROM dbo.Orders
6> WHERE DATEDIFF(day, '19000102', OrderDate) % 7 = 0;
7> GO
OrderID OrderDate
----------- -----------------------
(0 rows affected)
1>
2> drop table Orders;
3> GO
1>
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