笔记255 SQLSERVER使用SELECT * INTO 复制数据或者只复制结构 2013-4-29
1 --SQLSERVER使用SELECT * INTO 复制数据或者只复制结构 2013-4-29
2 USE [tempdb]
3 GO
4 CREATE TABLE #AreaA
5 (
6 AreaID INT NOT NULL ,
7 ParentID NVARCHAR(100) ,
8 Area_index NVARCHAR(100)
9 )
10 GO
11 INSERT INTO [#AreaA]
12 ( [AreaID] ,
13 [ParentID] ,
14 [Area_index]
15 )
16 SELECT 100,NULL,N'中国' UNION ALL
17 SELECT 101,'北京市 100',',100,' UNION ALL
18 SELECT 102,'海淀区 101','100,101,'
19
20 SELECT * FROM [#AreaA]
21
22 SELECT * FROM [#AreaA] where AreaID = 101 OR [Area_index] like '%,101,%'
23
24 SELECT * INTO #keep FROM [#AreaA] WHERE 1 = 2 --WHERE 条件为假，所以只能复制结构
25 SELECT * INTO #AreaB FROM [#AreaA] WHERE 1 = 1 --WHERE条件为真，所以复制数据和结构
26
27 SELECT * FROM [#keep]
28 SELECT * FROM [#AreaB]
