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Migrate MySQL to Microsoft SQL Server

, 5 Sep 2008 CPOL
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Migrate MySQL to Microsoft SQL Server in just a few simple steps

Introduction

This article describes a few simple steps in order to migrate MySQL into Microsoft SQL Server 2005. The technique is very easy, but useful if you plan to move your data from MySQL and upgrade it finally to a Microsoft SQL Server environment.

Background

Initially, I started my search for an article on CodeProject regarding MySQL->MS SQL migration without any success. I had an old PHPbb forum running, that needed to be upgraded to a Microsoft environment entirely. I could have just kept MySQL and Apache server, but instead I decided to migrate the entire concept of PHPbb to a YAF-forum.

Setup ODBC Connection to MySQL Database

This article will not go through how to setup a MySQL or Microsoft SQL server, but make sure you have downloaded at least the MySQL ODBC Connector from here.

For this article, I downloaded the MySQL ODBC Connector 5.1.

The setup of this connector is pretty simple:

  • Open your ODBC Data Source Administrator from the Control Panel -> Administrative Tools. Under the tab labelled as "System DSN", press the "Add" button.

    Setup_ODBC1.jpg

  • On the "Create New Data Source" dialog that appeared, choose MySQL ODBC 5.1 Driver and then press the "Finish" button.

    Setup_ODBC2.jpg

  • After that, a MySQL connection configuration dialog will appear. Add your MySQL database account information in it, preferably the "root" account which has full access to your databases in MySQL. In this case, my database is called "tigerdb". Do not change the port to anything other than 3306, unless during your MySQL server installation, you have defined something else.

    Setup_ODBC3.jpg

  • Press the "Test" button to ensure your connection settings are set properly and then the "OK" button when you're done.

Create a Microsoft SQL Link to your MySQL Database

In this state, you are ready to establish a link towards MySQL database from your Microsoft SQL Server Management Studio. Open a query window and run the following SQL statement:

EXEC master.dbo.sp_addlinkedserver 
@server = N'MYSQL', 
@srvproduct=N'MySQL', 
@provider=N'MSDASQL', 
@provstr=N'DRIVER={MySQL ODBC 5.1 Driver}; SERVER=localhost; _
	DATABASE=tigerdb; USER=root; PASSWORD=hejsan; OPTION=3'

This script will produce a link to your MySQL database through the ODBC connection you just created in the previous stage of this article. The link will appear in the Microsoft SQL Server Management Studio like this:

Create_link.jpg

If it doesn't show up in the treeview, press the refresh button.

Import Data between the Databases

Create a new database in Microsoft SQL Server. I called mine "testMySQL". In the query window, run the following SQL statement to import table shoutbox from the MySQL database tigerdb, into the newly created database in Microsoft SQL called testMySQL.

SELECT * INTO testMySQL.dbo.shoutbox
FROM openquery(MYSQL, 'SELECT * FROM tigerdb.shoutbox')

That's it!

Points of Interest

During this migration, I had to import lately my newly migrated database into the structure of "Yet Another Forum" tables. For that, I used a series of SQL-scripts. However I am not going to post them here. If folks leave comments here about the need for these scripts, just tell me and I will gladly change this article and start adding them. You're welcome to post your comments.

Another issue you will most likely encounter are the differences between these two databases based on datatypes. I would suggest to proceed with a reverse engineering of your MySQL database (for example, Visio is one application that provides reverse engineering functionality) and start mapping all the differences and potential risks of losing parts of data for instance, within varchar columns.

Microsoft SQL datatypes: http://msdn.microsoft.com/en-us/library/aa258271.aspx

MySQL datatypes: http://dev.mysql.com/tech-resources/articles/visual-basic-datatypes.html

History

  • 2008-09-05: First version of this article

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Niklas Henricson
Software Developer (Senior) TakePoint AB
Sweden Sweden
I started my journey with programming 1999 by working for the Swedish Working Life Enviroment authority.
 
Since then, I've been involved in numerous projects and jobs involving MTS/COM+, VB 6.0, ISE Eiffel 4.5, ASP.NET/C#/VB.NET as well as common ASP, and finally database enviroments based on Oracle, MySQL and MS SQL.
 
Between April 2007 and December 2008, I worked as consultant for Mandator AB with some of my assignments at Ericsson ST in Stockholm.
 
In 2009 I moved to south Sweden where I continued working as an IT consultant at Cybergroup Group South AB with assignments at Sony Ericsson, Swedish Institute for Infectious Disease Control and other in-house projects.
 
Today, I work for a smaller consultant company called TakePoint AB with an assignment at BTJ (Bibliographic Services of Sweden) developing a system that service all public libraries of Sweden with bibliographic information and distribution of media.
 
One of my most favorite books in regards to programming is "The Pragmatic Programmer". Something that I definetely recommend for everyone to read.
 
My LinkedIn is: http://www.linkedin.com/pub/niklas-henricson/49/422/a3

Comments and Discussions

 
Questioni am getting an error while doing the above process. PinmemberMember 1085183921-Sep-14 23:56 
QuestionChecks on New Database created from Mysql PinmemberMember 78961363-Sep-14 3:13 
QuestionCan we convert stored procedure from ms sql server to mysql PinmemberPriyant Jain17-Mar-14 19:28 
AnswerRe: Can we convert stored procedure from ms sql server to mysql PinmemberMember 1096601623-Jul-14 3:01 
QuestionCompare to SSMA Pinmemberdsa4230-Oct-13 9:49 
AnswerRe: Compare to SSMA Pinmemberdsa4230-Oct-13 10:07 
GeneralMySQL client ran out of memory PinmemberHninn Pwint Phyu8-Aug-13 18:16 
GeneralRe: MySQL client ran out of memory PinmemberNiklas Henricson9-Aug-13 20:57 
GeneralRe: MySQL client ran out of memory PinmemberHninn Pwint Phyu9-Aug-13 21:05 
GeneralRe: MySQL client ran out of memory PinprofessionalNiklas Henricson9-Aug-13 21:19 
GeneralRe: MySQL client ran out of memory PinmemberHninn Pwint Phyu14-Aug-13 21:56 
GeneralData Type Issue Pinmembersatz mois24-Jul-13 5:14 
GeneralRe: Data Type Issue Pinmembersatz mois25-Jul-13 19:24 
GeneralRe: Data Type Issue PinmemberNiklas Henricson9-Aug-13 20:59 
GeneralMy vote of 4 PinmemberAbhishek Durvasula17-Jul-13 20:32 
GeneralRe: My vote of 4 PinmemberNiklas Henricson9-Aug-13 20:58 
QuestionError When Testing the Connection from SQL Server Management Studio PinmemberMember 78247973-Jun-13 9:12 
QuestionBro you are a F*&(ng Legend!! PinmemberRobert James Battam23-May-13 19:36 
AnswerRe: Bro you are a F*&(ng Legend!! PinmemberNiklas Henricson9-Aug-13 21:02 
GeneralThank You Pinmemberron_x15-Mar-13 2:17 
GeneralRe: Thank You PinmemberNiklas Henricson15-Mar-13 3:21 
Questionthank you Pinmemberanhdktk18-Dec-12 1:50 
GeneralMy vote of 5 PinmemberMember 84230921-Dec-12 1:14 
SuggestionA note for 64 bit users... Pinmemberandymccluggage21-Aug-12 0:17 
Remember if you're using a 64 bit Windows environment that you need to create the System DSN using the 32 bit version of the DSN Administrator Tool. By default the control panel loads the 64 bit version.
 
32 bit version can be loaded from here...
 
c:\windows\syswow64\odbcad32
GeneralRe: A note for 64 bit users... PinmemberSamsonSargsyan20-Apr-13 10:26 
QuestionMultiple Tables PinmemberRicardo Casquete6-Aug-12 15:03 
QuestionThere are 3rd party tools for this PinmemberDamir Bulic1-Aug-12 21:38 
SuggestionRe: There are 3rd party tools for this PinmemberDmitry Narizhnykh14-Nov-12 8:16 
AnswerRe: There are 3rd party tools for this Pinmemberradjiv117-Jun-13 12:23 
AnswerRe: There are 3rd party tools for this Pinmembermsuhyd11-Mar-14 23:43 
QuestionProblem with the second query PinmemberEhud Grand10-Jun-12 3:41 
Questioncopy just data or whole table structure too? [modified] Pinmemberr7ap7r29-May-12 0:41 
BugError occur when compile last query in SQL2005 PinmemberBilal Ahmed Lilla17-Apr-12 21:44 
GeneralRe: Error occur when compile last query in SQL2005 PinmemberDarvin Pappachan13-Aug-12 21:36 
GeneralMy vote of 5 Pinmembermanoj kumar choubey2-Apr-12 0:28 
GeneralMy vote of 5 PinmemberSimbarasheM24-Feb-12 11:08 
QuestionWhat about varbinary fields? PinmemberKiks14-Feb-12 2:18 
QuestionProblem to migrate a whole mysql DB into MSSQL 2008 PinmemberKodjak25-Nov-11 0:59 
AnswerRe: Problem to migrate a whole mysql DB into MSSQL 2008 PinmemberKodjak25-Nov-11 3:32 
Questionproblem PinmemberMihaly Sogorka9-Nov-11 5:12 
AnswerRe: problem PinmemberNiklas Henricson9-Nov-11 6:43 
QuestionError to mygrate data Pinmemberratulalam7-Oct-11 21:56 
AnswerRe: Error to mygrate data PinmemberNiklas Henricson9-Nov-11 6:44 
QuestionDon't see MySQL option when adding new ODBC data source in control panel Pinmemberhalifaxdal18-Sep-11 1:59 
AnswerRe: Don't see MySQL option when adding new ODBC data source in control panel PinmemberNiklas Henricson9-Nov-11 6:48 
QuestionHow can loop through all tables in my db Pinmemberaramosvizcarra15-Sep-11 4:14 
GeneralMigration another solution PinmemberTheAceSolutions14-May-11 3:07 
GeneralRe: Migration another solution PinmemberNiklas Henricson14-May-11 4:22 
GeneralError converting data type DBTYPE_DBDATE to datetime. PinmemberNasser01923-Apr-11 18:21 
GeneralRe: Error converting data type DBTYPE_DBDATE to datetime. PinmemberNiklas Henricson14-May-11 4:26 

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