# Package oracle.jdbc.dcn

This package is an Oracle JDBC extension that provides interfaces to access the Database Change Notification feature of Oracle.

See: Description

Interface Summary
DatabaseChangeListener: The listener interface for receiving Database Change Notification (DCN) events.
DatabaseChangeRegistration
QueryChangeDescription: This interface describes a query result change.
RowChangeDescription: This interface describes the row level information that can be retrieved from a database change event.
TableChangeDescription: This interface describes a database change at the table level.

Class Summary
DatabaseChangeEvent: Once you have registered your interest into certain objects in the database, you get notified when these objects change.

Enum Summary
DatabaseChangeEvent.AdditionalEventType
DatabaseChangeEvent.EventType
QueryChangeDescription.QueryChangeEventType
RowChangeDescription.RowOperation
TableChangeDescription.TableOperation

## Package oracle.jdbc.dcn Description

This package is an Oracle JDBC extension that provides interfaces to access the Database Change Notification feature of Oracle.

Since:
  11i

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