1.按姓氏笔画排序: Select*From TableName OrderBy 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@listvarchar(1000),@sqlnvarchar(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 FORSELECT'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 SelectTop N *From 表 ------------------------------- N到M条记录(要有主索引ID) SelectTop M-N *From 表 Where ID in (SelectTop M ID From 表) Orderby ID Desc ---------------------------------- N到结尾记录 SelectTop N *From 表 Orderby 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.textlike'%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 notin(select sid from master..syslogins where name='sa') 或者 select dbid, name ASDB_NAMEfrom 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 OrderBy CustomerName [n].[标题]: