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The author:(作者)归海一刀
published in(发表于) 2014/2/1 0:09:22
MS-SQL数据库开发—精典_[SQL,Server教程]

MS-SQL数据库开发—精典_[SQL Server教程]

1.按姓氏笔画排序:
Select * From TableName Order By CustomerName Collate Chinese_PRC_Stroke_ci_as


2.数据库加密:
select encrypt('原始密码')
select pwdencrypt('原始密码')
select pwdcompare('原始密码','加密后密码') = 1--相同;否则不相同
encrypt('原始密码')
select pwdencrypt('原始密码')
select pwdcompare('原始密码','加密后密码') = 1--相同;否则不相同


3.取回表中字段:
declare @list varchar(1000),@sql nvarchar(1000)
select @list=@list+','+b.name from sysobjects a,syscolumns b where a.id=b.id and a.name='表A'
set @sql='select '+right(@list,len(@list)-1)+' from 表A'
exec (@sql)


4.查看硬盘分区:
EXEC master..xp_fixeddrives


5.比较A,B表是否相等:
if (select checksum_agg(binary_checksum(*)) from A)
=
(select checksum_agg(binary_checksum(*)) from B)
print '相等'
else
print '不相等'


6.杀掉所有的事件探察器进程:
DECLARE hcforeach CURSOR GLOBAL FOR SELECT 'kill '+RTRIM(spid) FROM master.dbo.sysprocesses
WHERE program_name IN('SQL profiler',N'SQL 事件探查器')
EXEC sp_msforeach_worker '?'


7.记录搜索:
开头到N条记录

Select Top N * From
-------------------------------
N到M条记录(要有主索引ID)
Select Top M-N * FromWhere ID in (Select Top M ID From 表) Order by ID Desc
----------------------------------
N到结尾记录
Select Top N * FromOrder by ID Desc


8.如何修改数据库的名称:
sp_renamedb 'old_name', 'new_name'


9:获取当前数据库中的所有用户表
select Name from sysobjects where xtype='u' and status>=0


10:获取某一个表的所有字段
select name from syscolumns where id=object_id('表名')


11:查看与某一个表相关的视图、存储过程、函数
select a.* from sysobjects a, syscomments b where a.id = b.id and b.text like '%表名%'


12:查看当前数据库中所有存储过程
select name as 存储过程名称 from sysobjects where xtype='P'


13:查询用户创建的所有数据库
select * from master..sysdatabases D where sid not in(select sid from master..syslogins where name='sa')
或者
select dbid, name AS DB_NAME from master..sysdatabases where sid <> 0x01


14:查询某一个表的字段和数据类型
select column_name,data_type from information_schema.columns
where table_name = '表名'


[n].[标题]:
Select * From TableName Order By CustomerName


[n].[标题]:
Select * From TableName Order By CustomerName







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