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You are viewing the documentation of an older version of the TiDB database (TiDB v3.1).

It is recommended that you use the latest stable version of the TiDB database.

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We strive to make TiDB compatible with MySQL 5.7. If you discover a difference in behavior that is not documented, a bug, or strange performance characteristics please create a new issue in GitHub.

You may use GitHub issues for Bug Reports, Feature Requests, General Questions and Performance Questions. Please make sure that you fill out the issue template completely so we can respond appropriately.