Query level change notification Tips

Oracle Database Tips by Donald BurlesonApril 16, 2015

Question: What is the Oracle 11g SQL level change notification process? How does Oracle detect when a change has been made to a previous SQL statement?

Answer: The Oracle Call Interface (OCI) in 11g has created a new feature that will send an application a notification whenever the results of a previous query have changed.

This is an outstanding features for Oracle database that monitor equipment and processes, because the query-level change notification can be used to refresh an end-user screen only when a change has been made to the results of the previous SQL query that mapped-out the data to the screen.

See the Oracle 11g OCI programmers guide documentation for details on using continuous SQL level change detection.

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