Snapshot synchronization of a table is a complete download of all relevant rows in the table, even if they have been downloaded before. This is the simplest synchronization method, but can involve unnecessarily large data sets being exchanged, which can limit performance and could also cost more in telecom charges.
You can use snapshot synchronization for downloading all the rows of the table, or with a partitioning of the rows. See Partitioned rows among remote databases.
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