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  1. Mine process, which runs against the source database and "mines" the redo logs for changed data.
  2. Apply process, which runs against the target database and applies SQL to the target database.
  3. Fetcher process (optional), which runs against the source database and send archive and online redo logs to mine.

Please seeĀ Solutions Diagrams for different flexible configurations and solutions.

Dbvisit Replicate 2 tier architecture

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