Oracle Triggers: Purpose & Key Uses

Oracle triggers are a type of special stored procedure that is associated with a table and can automatically trigger execution when certain events occur. The purposes of Oracle triggers include:

1. Data integrity protection: Triggers can be used to validate and process data before and after operations such as insertion, updating, and deletion to ensure the integrity and consistency of the data.
2. Automated data operations: Triggers can be used to achieve some automated data operations, such as automatically calculating a field value when inserting data, or updating other related fields automatically when a field is updated.
3. Data auditing and monitoring: Triggers can be used to record the historical changes of data, enabling data auditing and monitoring functions, which facilitate tracking and analyzing the process of data changes.
4. Triggering complex business logic: Triggers can be used to implement complex business logic, such as triggering multiple operations when a certain event occurs, or executing different processing logic based on specific conditions.

Overall, Oracle triggers can help enhance data security, integrity, and automation by enabling additional logic processing during data operations.