Difference Between ALERT and WORKFLOW

Alert:

1)Oracle Alert is a database event detection tool designed to detect database events.
2)Oracle Alert does contain some workflow type features such as response processing, that allow a sequence of actions to be taken depending on a users response to a message
(Example : Approval sequence)

Workflow:

1)Oracle workflow is designed to manage the execution complex of business processes that result from database events.
2)Oracle Workflows response processing capabilities are more advanced than Oracle Alert.