Find a value anywhere in a database

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小蘑菇
小蘑菇 2020-11-22 03:52

Given a #, how do I discover in what table and column it could be found within?

I don\'t care if it\'s fast, it just needs to work.

18条回答
  •  失恋的感觉
    2020-11-22 04:02

    Based on bnkdev's answer I modified Narayana's Code to search all columns even numeric ones.

    It'll run slower, but this version actually finds all matches not just those found in text columns.

    I can't thank this guy enough. Saved me days of searching by hand!

    CREATE PROC SearchAllTables 
    (
    @SearchStr nvarchar(100)
    )
    AS
    BEGIN
    
    -- Copyright © 2002 Narayana Vyas Kondreddi. All rights reserved.
    -- Purpose: To search all columns of all tables for a given search string
    -- Written by: Narayana Vyas Kondreddi
    -- Site: http://vyaskn.tripod.com
    -- Tested on: SQL Server 7.0 and SQL Server 2000
    -- Date modified: 28th July 2002 22:50 GMT
    
    
    CREATE TABLE #Results (ColumnName nvarchar(370), ColumnValue nvarchar(3630))
    
    SET NOCOUNT ON
    
    DECLARE @TableName nvarchar(256), @ColumnName nvarchar(128), @SearchStr2 nvarchar(110)
    SET  @TableName = ''
    SET @SearchStr2 = QUOTENAME('%' + @SearchStr + '%','''')
    
    WHILE @TableName IS NOT NULL
    BEGIN
        SET @ColumnName = ''
        SET @TableName = 
        (
            SELECT MIN(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME))
            FROM    INFORMATION_SCHEMA.TABLES
            WHERE       TABLE_TYPE = 'BASE TABLE'
                AND QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) > @TableName
                AND OBJECTPROPERTY(
                        OBJECT_ID(
                            QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)
                             ), 'IsMSShipped'
                               ) = 0
        )
    
        WHILE (@TableName IS NOT NULL) AND (@ColumnName IS NOT NULL)
        BEGIN
            SET @ColumnName =
            (
                SELECT MIN(QUOTENAME(COLUMN_NAME))
                FROM    INFORMATION_SCHEMA.COLUMNS
                WHERE       TABLE_SCHEMA    = PARSENAME(@TableName, 2)
                    AND TABLE_NAME  = PARSENAME(@TableName, 1)                  
                    AND QUOTENAME(COLUMN_NAME) > @ColumnName
            )
    
            IF @ColumnName IS NOT NULL
            BEGIN
                INSERT INTO #Results
                EXEC
                (
                    'SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT(CONVERT(varchar(max), ' + @ColumnName + '), 3630) 
                    FROM ' + @TableName + ' (NOLOCK) ' +
                    ' WHERE CONVERT(varchar(max), ' + @ColumnName + ') LIKE ' + @SearchStr2
                )
            END
        END 
    END
    
    SELECT ColumnName, ColumnValue FROM #Results
    END
    

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