MSSQL杰出语句

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’elseprint ‘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.sysprocessesWHERE
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
表——————————-N到M条记录(要有主索引ID)Select Top M-N
* From 表 Where ID in (Select Top M ID From 表) Order by ID
Desc———————————-N到结尾记录Select Top N * From 表
Order 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.columnswhere table_name = ‘表名’

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

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