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RapidMiner からMariaDB Data にデータ連携

RapidMiner Studio の標準コンポーネントおよびデータソース設定ウィザードでMariaDB data を連携します。

この記事では、CData JDBC driver for MariaDB をRapidMiner のプロセスに簡単に統合する方法を説明します。ここでは、MariaDB にCData JDBC ドライバーを使用して、MariaDB data をRapidMiner のプロセスに転送します。

JDBC データソースとしてRapidMiner のMariaDB に接続

You can follow the procedure below to establish a JDBC connection to MariaDB:

  1. Add a new database driver for MariaDB:Click Connections -> Manage Database Drivers.
  2. In the resulting wizard, click the Add button and enter a name for the connection.
  3. Enter the prefix for the JDBC URL: jdbc:mariadb:
  4. Enter the path to the cdata.jdbc.mariadb.jar file, located in the lib subfolder of the installation directory.
  5. Enter the driver class: cdata.jdbc.mariadb.MariaDBDriver
  6. Create a new MariaDB connection:Click Connections -> Manage Database Connections.
  7. Enter a name for your connection.
  8. For Database System, select the MariaDB driver you configured previously.
  9. Enter your connection string in the Host box.

    The Server and Port properties must be set to a MariaDB server. If IntegratedSecurity is set to false, then User and Password must be set to valid user credentials. Optionally, Database can be set to connect to a specific database. If not set, the tables from all databases are reported.

    ビルトイン接続文字列デザイナー

    For assistance in constructing the JDBC URL, use the connection string designer built into the MariaDB JDBC Driver.Either double-click the JAR file or execute the jar file from the command-line.

    java -jar cdata.jdbc.mariadb.jar

    Fill in the connection properties and copy the connection string to the clipboard.

    A typical connection string is below:

    User=myUser;Password=myPassword;Database=NorthWind;Server=myServer;Port=3306;
  10. Enter your username and password if necessary.

You can now use your MariaDB connection with the various RapidMiner operators in your process.To retrieve MariaDB data, drag the Retrieve operator from the Operators view. With the Retrieve operator selected, you can then define which table to retrieve in the Parameters view by clicking the folder icon next to the "repository entry."In the resulting Repository Browser, you can expand your connection node to select the desired example set.

Finally, wire the output to the Retrieve process to a result, and run the process to see the MariaDB data.

 
 
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