OracleAQDequeueMode Enumeration

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Reads the message without acquiring any lock on the message. This is equivalent to a SELECT statement.

Locked

Reads and obtains a write lock on the message. The lock lasts for the duration of the transaction. This is equivalent to a SELECT FOR UPDATE statement.

Remove

Reads the message and updates or deletes it. This is the default.

The message can be retained in the queue table based on the retention properties

RemoveNoData

Confirms receipt of the message but does not deliver the actual message content.