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Update docs/en/engines/table-engines/mergetree-family/replacingmergetree.md
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@ -94,7 +94,9 @@ SELECT * FROM mySecondReplacingMT FINAL;
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Column data type — `UInt8`.
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Can only be enabled when `ver` is used.
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:::note
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`is_deleted` can only be enabled when `ver` is used.
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The row is deleted when the `OPTIMIZE ... FINAL CLEANUP`, or `OPTIMIZE ... FINAL` is used or if the engine settings `clean_deleted_rows` has been set to `Always`.
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No matter the operation on the data, the version must be increased. If two inserted rows have the same version number, the last inserted row is the one kept.
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