This section contains information that is specific to the database type MySQL.
Supported Functions
The MySQL database can be used with:
- Database Bulk Lookup Functions (APL)
- Database Table Related Functions (APL)
- Event Notifications
- Prepared Statements (APL)
- SQL Collection/Forwarding Agents
- SQL Loader Agent
- Task Workflows Agents (SQL)
Properties
When selecting the MySQL database type, you can configure the following property using the Properties tab in the Database profile:
mysql.connectionpool.maxlimit
Preparations
The MySQL driver has to be downloaded to the Platform in order to connect to a MySQL database from.
You must proceed as follows:
Go to the MySQL web page and download Connector/J from MySQL Connectors:
https://dev.mysql.com/downloads/connector/j/Note!
For supported versions, see Database Types.
You may have to disable any popup blockers you have activated in order to find it.
- Place the downloaded jar file in the
$MZ_HOME/3pp directory. - Restart the Platform and ECs for the change to take effect.
In addition, you must carry out the following preparations before attempting to connect to a MySQL database. The next step is to set the necessary transaction isolation levels. Edit the mysqld configuration files by adding this line:
transaction-isolation = READ-COMMITTED
To decrease re-connection overhead, database connections are saved in a connection pool. To set the connection pool size, set the Execution Context property mysql.connectionpool.maxlimit in the relevant <pico>.conf file:
$ mzsh topo set topo://container:<container>/pico:<pico name>/val:config.properties.mysql.connectionpool.maxlimit 45