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You are viewing the documentation of an older version of the TiDB database (TiDB v5.4). It is recommended that you use the latest LTS version of the TiDB database.

Type Conversion in Expression Evaluation

TiDB behaves the same as MySQL: https://dev.mysql.com/doc/refman/5.7/en/type-conversion.html

Type Conversion in Expression Evaluationwas last updated 2/11/2022, 3:01:49 AM: Remove aliases from v5.4 (#7559)

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