Each time a row in a table is inserted, deleted, or updated, a message is created for those users subscribed to the row. In addition, an update may cause the subscription expression to change, so that the statement is sent to some subscribers as a delete, some as an update, and some as an insert.
The task of determining who gets what is divided between the database server and the SQL Remote Message Agent (dbremote).
Discuter à propos de cette page dans DocCommentXchange.
|Copyright © 2010, iAnywhere Solutions, Inc. - SQL Anywhere 12.0.0|