search all columns of all tables for a given search string and replace it with another string

Guys,

By: Narayana Vyas Kondreddi
My colleague and best friend Areej Neshewat just sent me the following stored procedure for knowledge sharing.
This procedure replaces any kind of strings in the database with other.

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[SearchAndReplace]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1)
drop procedure [dbo].[SearchAndReplace]
GO

SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO

CREATE PROC SearchAndReplace
(
@SearchStr nvarchar(100),
@ReplaceStr 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 and replace it with another string
— Written by: Narayana Vyas Kondreddi
— Site: http://vyaskn.tripod.com
— Tested on: SQL Server 7.0 and SQL Server 2000
— Date modified: 2nd November 2002 13:50 GMT

SET NOCOUNT ON

DECLARE @TableName nvarchar(256), @ColumnName nvarchar(128), @SearchStr2 nvarchar(110), @SQL nvarchar(4000), @RCTR int
SET @TableName = ”
SET @SearchStr2 = QUOTENAME(‘%’ + @SearchStr + ‘%’,””)
SET @RCTR = 0

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 DATA_TYPE IN (‘char’, ‘varchar’, ‘nchar’, ‘nvarchar’)
AND QUOTENAME(COLUMN_NAME) > @ColumnName
)

IF @ColumnName IS NOT NULL
BEGIN
SET @SQL= ‘UPDATE ‘ + @TableName +
‘ SET ‘ + @ColumnName
+ ‘ = REPLACE(‘ + @ColumnName + ‘, ‘
+ QUOTENAME(@SearchStr, ””) + ‘, ‘ + QUOTENAME(@ReplaceStr, ””) +
‘) WHERE ‘ + @ColumnName + ‘ LIKE ‘ + @SearchStr2
EXEC (@SQL)
SET @RCTR = @RCTR + @@ROWCOUNT
END
END
END

SELECT ‘Replaced ‘ + CAST(@RCTR AS varchar) + ‘ occurence(s)’ AS ‘Outcome’
END

GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO

Regards,

Mohammad R. Daoud
MCP, MCBMSP, MCTS, MCBMSS
Software Development Manager
+962 – 79 – 999 65 85
Great Package For Business Solutions
daoudm@greatpbs.com
http://www.greatpbs.com/

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About Mohammad R. Daoud
Mohammad R. Daoud has been working as a Microsoft Dynamics GP consultant since 2004. His career path started with version 7.5; he studied every single tip of the application technicalities and did allot of successful implementations that includes functional consultations, analysis, and custom development projects. He holds a graduate degree in Computer Science and currently he is pursuing MBA degree in Accounting. In January 2007 he was nominated to the Microsoft Most Valuable Professional (MVP) certificate and was certified in April 2008 due to his online contributions in the Dynamics Community (Dynamics GP Newsgroups, Forums, User Groups and his blog: http://mohdaoud.blogspot.com). Worth to mention that he was also listed as one of the Microsoft Dynamics Top 100 Most Influential People in 2009 by DynamicsWorld. And more... • Demonstrated Passion for MS Products through participating in beta testing for some product versions, an effective member of Microsoft Connect. • Talented in securing strong high quality relationships with premier customers, partners and sales teams passionately and profitably. • Dedicated to meeting the expectations and requirements of internal and/or external customers • Problem Solver – Uses systematic approach to uncover true problem(s) and practical solution and can marshal resources to solve problem! • Proven record of effective account management, including Account Planning, Opportunity Management, and Business Management Excellence and working as part of a larger virtual team • Successful in delivering high quality technical engagements in the enterprise Dynamics GP implementations area according to customer requirements. • Dedicated, Committed, Self Motivated, Creative and highly focused with excellent communication, Negotiation, presentation, Active Listening and Objection Handling skills. • Experienced in Profitable researches and studies including white papers and technical presentations.

2 Responses to search all columns of all tables for a given search string and replace it with another string

  1. Hi Daoud,This is really a useful script for developers / consultants.I wish you could add this script to the SQL Script SeriesThanksVaidy

  2. Actually its a good idea to be in the SQL Series, I will send the link to David.

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