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Currently users have to manually create schemas in Flink source/sink mirroring tables in their relational databases in use cases like direct JDBC read/write and consuming CDC. Many users have complaint about this process as the manual work is unnecessary and redundant. Users also need to manually keep up their Flink job with schema changes in databases and figuring out type matches. Any mismatch can lead to a failing Flink job at runtime instead of compile time. All these have be been quite unpleasant, resulting in a broken user experience.

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