You can use Data Transmission Service (DTS) to track data changes from databases in real time. This topic lists the change tracking scenarios for different types of source databases.

Change tracking scenarios

Note For more information about the previous and new versions of the change tracking feature, see Change tracking (previous) and Change tracking (new).
Change tracking version Topic
Previous Track data changes from an ApsaraDB RDS for MySQL instance (previous)
Note The previous change tracking feature is no longer available. For more information, see [Notice] Data subscription mode discontinued as of March 31, 2020.
New Track data changes from ApsaraDB RDS for MySQL (new)