有時(shí)候我們想通過(guò)一個(gè)值知道這個(gè)值來(lái)自數(shù)據(jù)庫(kù)的哪個(gè)表以及哪個(gè)字段，在網(wǎng)上搜了一下，找到一個(gè)比較好的方法，通過(guò)一個(gè)存儲(chǔ)過(guò)程實(shí)現(xiàn)的。只需要傳入一個(gè)想要查找的值，即可查詢出這個(gè)值所在的表和字段名。
    前提是要將這個(gè)存儲(chǔ)過(guò)程放在所查詢的數(shù)據(jù)庫(kù)。
    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