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CDC synchronization if the primary key of a database table changes, will it be synchronized into two data or will it be synchronized to update the primary key?

2022-06-28 12:10:00 【Alibaba cloud Q & A】

As the title

Take the answer 1：

Updating the primary key seems to -D and +I, Normal update yes -U +U（ This answer is collated from Flink CDC Community ）

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