zoukankan      html  css  js  c++  java
  • 查询整个数据库中某个特定值所在的表和字段的方法

    CREATE PROCEDURE [dbo].[SP_FindValueInDB]
    (
        @value VARCHAR(1024)
    )        
    AS
    BEGIN
        -- SET NOCOUNT ON added to prevent extra result sets from
        -- interfering with SELECT statements.
    SET NOCOUNT ON;
    DECLARE @sql VARCHAR(1024) 
    DECLARE @table VARCHAR(64) 
    DECLARE @column VARCHAR(64) 
     
    CREATE TABLE #t ( 
        tablename VARCHAR(64), 
        columnname VARCHAR(64) 
    ) 
     
    DECLARE TABLES CURSOR 
    FOR 
     
        SELECT o.name, c.name 
        FROM syscolumns c 
        INNER JOIN sysobjects o ON c.id = o.id 
        WHERE o.type = 'U' AND c.xtype IN (167, 175, 231, 239) 
        ORDER BY o.name, c.name 
     
    OPEN TABLES 
     
    FETCH NEXT FROM TABLES 
    INTO @table, @column 
     
    WHILE @@FETCH_STATUS = 0 
    BEGIN 
        SET @sql = 'IF EXISTS(SELECT NULL FROM [' + @table + '] ' 
        SET @sql = @sql + 'WHERE RTRIM(LTRIM([' + @column + '])) LIKE ''%' + @value + '%'') ' 
        SET @sql = @sql + 'INSERT INTO #t VALUES (''' + @table + ''', ''' 
        SET @sql = @sql + @column + ''')' 
     
        EXEC(@sql) 
     
        FETCH NEXT FROM TABLES 
        INTO @table, @column 
    END 
     
    CLOSE TABLES 
    DEALLOCATE TABLES 
     
    SELECT * 
    FROM #t 
     
    DROP TABLE #t 
     
    End
    例如,要查询‘admin’,新建一个查询输入
     
    EXEC SP_FindValueInDB 'admin'
    会返回相应记录,Tablename显示被查询数据所在表,Columnname显示被查询数据所在列。
  • 相关阅读:
    安装DCOS,关于docker异常引发的调查
    搭建DNS服务器-bind
    DNSmasq
    桥接以及Mercury MW54R中继
    docker异常处理
    vmware的双网卡以及Pro的注册码
    ssh免密登录
    系统原生文件MD5值获取
    mysql数据库要按当天、昨天、前七日、近三十天、季度、年查询
    dirname(__FILE__) 介绍
  • 原文地址:https://www.cnblogs.com/tohen/p/3941985.html
Copyright © 2011-2022 走看看