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Log-based CDC advantages

Why is log-based change data capture (for example Debezium reading the database binlog or WAL) usually preferred over polling with updated_at queries?

A.It needs no database permissions at allB.It captures every insert, update and delete, including hard deletes, with low load on the sourceC.It guarantees the data is already modelled as a star schemaD.It only works on CSV files

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Log-based CDC advantages

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