Tuesday, February 28, 2006

MySQL - import and export of database

Recently I had to move my MySQL server from a WinXP machine to a Win2000 server machine. I thought that the data migration of the MySQl database would be a pain.

To my suprise, it just took me 5 mins flat to do it. Here are the steps:

1)First export the database into a flat file. This exports not just the schema but also the "insert" statements for all the data in the tables
mysqldump -u DBUSER -p DBNAME > DBNAME.sql
substituting DBUSER with your MySQL username and DBNAME with your database name.

2) Create a new empty schema/database on your new machine. The name of the database will probably be same as the name in the old server.

3) Import the dump file into the new database server.
mysql -u DBUSER -p -h MACHINE-NAME DBNAME< DBName.sql
substituting DBUSER with your MySQL username and DBNAME with your database name, and MACHINE-NAME with the name of the SQLServer instance - quite often the name of the machine itself.
That's it...migration of database done.

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