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Client APIs and toolsYou can use the HCL OneDB™ implementation of client APIs to develop applications for HCL OneDB™ database servers.
HCL OneDB™ JDBC Driver GuideThe HCL OneDB™ JDBC Driver Programmer's Guide describes how to install, load, and use HCL OneDB™ JDBC Driver to connect to the HCL OneDB™ database from within a Java™ application.
Work with opaque types
Creating opaque types and UDRs
Send the class definition to the database server
Specify deployment descriptor actions

Specify deployment descriptor actions

In the UDTManager and UDRManager methods, the deploy parameter indicates whether install_actions should be executed if a deployment descriptor is present in the JAR file. The undeploy parameter indicates whether remove_actions should be executed.

0: Execute install_actions or remove_actions.
Nonzero: Do not execute install_actions or remove_actions.

A deployment descriptor allows you to include the SQL statements for creating and dropping UDRs in a JAR file. For more information about the deployment descriptor, see the HCL® J/Foundation Developer's Guide and the SQLJ specification.