Systems and methods for employing a trigger-based mechanism to detect a database table change and registering to receive notification of the change
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United States of America Patent
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Nov 16, 2010
Issued Date -
N/A
app pub date -
Mar 28, 2003
filing date -
Mar 28, 2003
priority date (Note) -
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Abstract
The present invention relates to systems and methods for employing a trigger based mechanism to detect changes in a database table, providing a notification when the database table changes and registering to receive the notification. The systems and methods employ a listeners table to store information associated with registered database tables. Alter a database table changes, a trigger mechanism associated with the database change facilitates a search of the listeners table for a parameter associated with the changed database table. If the changed database table is registered, the information from the listeners table is provided to a delivery service which transmits a message indicating the registered database table changed. After receiving the message, a notification runtime service can route a notification to a client(s) registered to receive the notification. The foregoing mitigates performing time intensive queries and utilizing inconsistent query results.
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