生成50万条记录的大数据表的TSQL语句

2009-12-14 18:59| 发布者: admin| 查看: 18| 评论: 0|原作者: 墨元

△经常做数据库访问性能测试时，需要用到数据......

经常做数据库访问性能测试时，需要用到数据量很大的表，自己动手写一段TSQL语句即可。
TSQL_生成表结构：
/**//****** 对象: 表 [dbo].[LargeTable] 脚本日期: 2006-10-26 15:40:27 ******/
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[LargeTable]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[LargeTable]
GO
/**//****** 对象: 表 [dbo].[LargeTable] 脚本日期: 2006-10-26 15:40:27 ******/
CREATE TABLE [dbo].[LargeTable] (
[ID] [int] IDENTITY (1, 1) NOT NULL ,
[Title] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL ,
[Content] [ntext] COLLATE Chinese_PRC_CI_AS NULL ,
[PublicTime] [datetime] NULL ,
[Author] [nvarchar] (10) COLLATE Chinese_PRC_CI_AS NULL ,
[IsTop] [tinyint] NULL
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
ALTER TABLE [dbo].[LargeTable] WITH NOCHECK ADD
CONSTRAINT [PK_LargeTable] PRIMARY KEY CLUSTERED
(
[ID]
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[LargeTable] ADD
CONSTRAINT [DF_LargeTable_IsTop] DEFAULT (0) FOR [IsTop]
GO

exec sp_addextendedproperty N'MS_Description', N'作者', N'user', N'dbo', N'table', N'LargeTable', N'column', N'Author'
GO
exec sp_addextendedproperty N'MS_Description', N'内容', N'user', N'dbo', N'table', N'LargeTable', N'column', N'Content'
GO
exec sp_addextendedproperty N'MS_Description', N'文章表，包含100万条记录', N'user', N'dbo', N'table', N'LargeTable', N'column', N'ID'
GO
exec sp_addextendedproperty N'MS_Description', N'是否置顶 0.不置顶 1.置顶', N'user', N'dbo', N'table', N'LargeTable', N'column', N'IsTop'
GO
exec sp_addextendedproperty N'MS_Description', N'发布时间', N'user', N'dbo', N'table', N'LargeTable', N'column', N'PublicTime'
GO
exec sp_addextendedproperty N'MS_Description', N'文章标题', N'user', N'dbo', N'table', N'LargeTable', N'column', N'Title'

GO

TSQL_生成表数据：
/**//*truncate table largetable*/
declare @title nvarchar(100)
declare @content nvarchar(100)
declare @publictime datetime
declare @author nvarchar(10)
declare @istop tinyint
declare @randtime_month tinyint
declare @randtime_day tinyint
declare @randtime_hour tinyint
declare @randtime_minute tinyint
declare @randtime_second tinyint
declare @str varchar(30)
print '开始执行时间：' + cast(getdate() as varchar)
declare @i int,@count int
set @i=1
set @count=500000
while @i<=@count
begin
set @randtime_month=rand(@i)*12
set @randtime_day=rand(@i)*28
set @randtime_hour=rand(@i)*24
set @randtime_minute=rand(@i)*60
set @randtime_second=rand(@i)*60
set @str='2006-'+cast(@randtime_month as varchar)+'-'+cast(@randtime_day as varchar)+' '+cast(@randtime_hour as varchar)+':'+cast(@randtime_minute as varchar)+':'+cast(@randtime_second as varchar)

set @title='文章标题'+cast(@i as varchar)
set @content='文章内容'+cast(@i as varchar)
set @publictime=convert(datetime,@str,120)
set @author='作者'+cast(@i as varchar)
if @i%10000=0
set @istop=1
else
set @istop=0
insert into largetable values(@title,@content,@publictime,@author,@istop)

set @i=@i+1
end
print '执行完毕时间：' + cast(getdate() as varchar)

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生成50万条记录的大数据表的TSQL语句

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