MySQL 9 also has some vector database features. What are the similarities and differences compared to TiDB's vector features?

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Original topic: mysql9 也具备向量数据库的一些功能。和tidb的向量功能，有哪些相同和不同？

| username: TIDB-Learner

MySQL 9 also has some vector database features. What are the similarities and differences between its vector features and those of TiDB?