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Database Driver
FlexRule can connect to custom databases directly when you have the driver. For example, here we we show you how to connect and query MySQL database.
Download Driver
The driver file name is called mysql.data.dll and can be downloaded from
[mysql.data_.zip]
Once downloaded, unzip the file and you can find the driver file called mysql.data.dll
Referencing Driver
In the FlexRule Designer reference the DLL driver file as below:

Database Node
Drag and drop a Database node to your flow,

and set the below properties:
- Connection String: the connection to your database i.e.
- Database Type: Custom
- Custom Database Type: MySql.Data.MySqlClient.MySqlConnection
- Custom Database Assembly: mysql.data.dll

Also, add any query to your Database node.