SQL Remote replication is carried out using the information in the transaction log, but there are two circumstances where SQL Remote deletes all existing rows from those tables of a remote database that form part of a publication, and copies the publication's entire contents from the consolidated database to the remote site. This process is called synchronization.
Synchronization is used under the following circumstances:
Synchronizing a remote database can be done in the following ways:
Use the database Extraction utility This utility creates a schema for a remote SQL Anywhere database, and synchronizes the remote database. This is generally the recommended procedure.
Manual synchronization Synchronize the remote database manually by loading from files, using the PowerBuilder pipeline, or some other tool.
Synchronize over the message system Synchronize the remote database via the message system using the SYNCHRONIZE SUBSCRIPTION statement.
Do not execute SYNCHRONIZE SUBSCRIPTION at a remote database.
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