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    DECLARE @guid NVARCHAR(MAX)
    SET @guid = 'CF789C0E-B844-E511-8100-00155D0A6F04'
    
    DECLARE @index INT ,
        @count INT
    
    SELECT  IDENTITY( INT,1,1 ) AS id ,
            objects.name AS tablename ,
            columns.name AS ColumnName ,
            CONVERT(INT, NULL) AS existsdata
    INTO    #columns
    FROM    sys.columns
            LEFT JOIN sys.objects ON objects.object_id = columns.object_id
    WHERE   system_type_id = 36
            AND type = 'U'
    --AND objects.name  LIKE 'y_%'
    ORDER BY objects.name
    
    SELECT  @index = 1 ,
            @count = @@ROWCOUNT
    WHILE @index <= @count
        BEGIN
            DECLARE @sql NVARCHAR(MAX)
            SELECT  @sql = 'if exists(select 1 from ' + tablename + ' where '
                    + ColumnName + ' = ''' + @guid + ''')
    begin
        update #columns set existsdata = 1 where id = '
                    + CONVERT(NVARCHAR(MAX), @index) + '
    end'
            FROM    #columns
            WHERE   id = @index
        --EXEC @sql
            EXEC (@sql)
            SET @index = @index + 1
        END
    
    SELECT  *
    FROM    #columns
    WHERE   existsdata = 1
    
    DROP TABLE #columns

    DECLARE @guid NVARCHAR(MAX)SET @guid = 'CF789C0E-B844-E511-8100-00155D0A6F04'
    DECLARE @index INT ,    @count INT
    SELECT  IDENTITY( INT,1,1 ) AS id ,        objects.name AS tablename ,        columns.name AS ColumnName ,        CONVERT(INT, NULL) AS existsdataINTO    #columnsFROM    sys.columns        LEFT JOIN sys.objects ON objects.object_id = columns.object_idWHERE   system_type_id = 36        AND type = 'U'--AND objects.name  LIKE 'y_%'ORDER BY objects.name
    SELECT  @index = 1 ,        @count = @@ROWCOUNTWHILE @index <= @count    BEGIN        DECLARE @sql NVARCHAR(MAX)        SELECT  @sql = 'if exists(select 1 from ' + tablename + ' where '                + ColumnName + ' = ''' + @guid + ''')beginupdate #columns set existsdata = 1 where id = '                + CONVERT(NVARCHAR(MAX), @index) + 'end'        FROM    #columns        WHERE   id = @index--EXEC @sql        EXEC (@sql)        SET @index = @index + 1    END
    SELECT  *FROM    #columnsWHERE   existsdata = 1
    DROP TABLE #columns

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  • 原文地址:https://www.cnblogs.com/KingUp/p/5722454.html
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