Data Synchronization Topologies
DRS real-time synchronization supports multiple topology types. You can plan the topology types as required. For details, see the following content.
To ensure data consistency, do not modify the synchronization objects in the destination database.
One-to-One Real-Time Synchronization
You can create a one-to-one synchronization task.
One-to-Many Real-Time Synchronization
You need to create multiple synchronization tasks to implement one-to-many real-time synchronization. For example, to synchronize data from instance A to instances B, C, and D, you need to create three synchronization tasks.
Many-to-One Real-Time Synchronization
You need to create multiple synchronization tasks to implement many-to-one real-time synchronization. For example, to synchronize data from instances B, C, and D to instance A, you need to create three synchronization tasks. Multiple tables can be synchronized to one table.
For details about the restrictions and operation suggestions on the many-to-one scenario, see FAQs.
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