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- SQL Server JDBC Driver
- Oracle
- DB2[ DB2]
- [http://dev.mysql.com/downloads/connector/j/ Mysql]
Once you have the driver you need, copy it to <frevvo-home>/tomcat/lib.
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If you don't find what you need pre-installed you will need to locate a driver compatible to your database. Usually you can download your driver from the internet. Try one of these locations