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