1.按姓氏筆劃排序: Select * From TableName Order By CustomerName Collate Chinese_PRC_Stroke_ci_as 2.資料庫加密: select encrypt('原始密碼') select pwdencrypt('原始密碼') select pwdcompare('原始密碼','加密後密碼') = 1--相同;否則不相同 encrypt('原始密碼') select pwdencrypt('原始密碼') select pwdcompare('原始密碼','加密後密碼') = 1--相同;否則不相同 3.取回表中欄位: 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.查看硬碟分區: EXEC master..xp_fixeddrives 5.比較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.殺掉所有的事件探察器進程: 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.記錄搜索: 開頭到N條記錄 Select Top N * From 表 ------------------------------- N到M條記錄(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到結尾記錄 Select Top N * From 表 Order by ID Desc 8.如何修改資料庫的名稱: sp_renamedb 'old_name', 'new_name' 9:獲取當前資料庫中的所有用戶表 select Name from sysobjects where xtype='u' and status>=0 10:獲取某一個表的所有欄位 select name from syscolumns where id=object_id('表名') 11:查看與某一個表相關的視圖、存儲過程、函數 select a.* from sysobjects a, syscomments b where a.id = b.id and b.text like '%表名%' 12:查看當前資料庫中所有存儲過程 select name as 存儲過程名稱 from sysobjects where xtype='P' 13:查詢用戶創建的所有資料庫 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:查詢某一個表的欄位和資料類型 select column_name,data_type from information_schema.columns where table_name = '表名' [n].[標題]: Select * From TableName Order By CustomerName [n].[標題]: Select * From TableName Order By CustomerName |
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