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SQL Server: How to find a value in all Columns of all Tables in a Database

Sometime while working with SQL Server we have a value which is in database but we are not aware which table or which column is containing that value. Try finding some specific strings in a database with a number of tables, each with many columns and tens of thousands of records is a difficult thing to do if one tries to look out manually.

In this case we can obtain required information from the database by writing SQL query. Let’s write one stored procedure and then we can execute this stored procedure by providing search string.

CREATE PROCEDURE Search_From_AllTables
       @SearchValue NVARCHAR(500) -- Search string

AS
BEGIN
       /**** Declare @searchQuery ****/
       DECLARE @searchQuery NVARCHAR(MAX) = N''

       /**** DROP [#TempResults] table if existing ****/
       IF OBJECT_ID('tempdb.dbo.#TempResults') IS NOT NULL
       BEGIN
              DROP TABLE dbo.#TempResults
       END

       /**** Create [#TempResults] table ****/
       CREATE TABLE dbo.#TempResults
        ([TableName] NVARCHAR(100),
         [ColumnName] NVARCHAR(100),
         [ColumnValue] NVARCHAR(MAX))

       /**** Create @searchQuery to get data with matching string ****/
       SELECT @searchQuery += ' SELECT ''' + S.name + '.' + T.name
                              + ''' AS [TableName], ''' + C.name
                              + ''' AS [ColumnName], CAST(' + QUOTENAME(C.name)
                              + ' AS NVARCHAR(max)) AS [ColumnValue] FROM '
                              + QUOTENAME(S.name) + '.' + QUOTENAME(T.name) +
                              ' (NOLOCK) WHERE CAST(' + QUOTENAME(C.name)
                              + ' AS nvarchar(max)) LIKE ' + '''%'
                              + @SearchValue + '%'''
       FROM sys.Schemas S
       INNER JOIN sys.Tables T ON S.schema_id = T.schema_id
       INNER JOIN sys.Columns C ON T.object_id = C.object_id
       INNER JOIN sys.Types TY ON C.system_type_id = TY.system_type_id
                                  AND C .user_type_id = TY.user_type_id
       WHERE T.is_ms_shipped = 0
       AND TY.name NOT IN ('timestamp', 'image', 'sql_variant')

       /**** Insert into [#TempResults] table by @searchQuery ****/
       INSERT dbo.#TempResults
       EXEC sp_executesql @searchQuery

       /**** Select Matching records to display ****/
       SELECT [TableName], [ColumnName], [ColumnValue] FROM dbo.#TempResults
END

Now let’s find the string with the help of this stored procedure as:

EXEC Search_From_AllTables "Search String"

That’s it, hope it’ll solve your problem J
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