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Convert Tables from Utf8mb3 to Utf8mb4 (Doc ID 2597735.1)

Last updated on JANUARY 25, 2021

Applies to:

MySQL Server - Version 5.7 and later
Information in this document applies to any platform.


When trying to migrate 5.7 to 8.0 the following warning appears

Warning: The following objects use the utf8mb3 character set. It is recommended to convert them to use utf8mb4 instead, for improved Unicode support.

More information:

How could all those tables be changed?


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