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SQL Anywhere 11.0.1 » SQL Remote » SQL Remote Deployment and Administration » SQL Remote Administration » Understanding the Guaranteed Message Delivery System


Ensuring that messages are applied only once

The subscriber Message Agent (dbremote) compares the resend_count value in a messages header with the rereceive_count in its local SYSREMOTEUSER system table. If the resend_count value is smaller than rereceive_count, the message is not applied; it is deleted. This behavior ensures that operations are not applied more than once.

See also