All set to have a mysql database, table utf-8 mb4, there are several rarely used word want to insert in the mysql

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The test will not be an error in the above four rarely used word save to the database, but can't display after the save,,,,

Consult ~! This problem can solve? If you can solve in what way can solve?

CodePudding user response:

?? A unified code B: 242 b9
?? Unified code B: 2148 d
?? A unified code B: 23 edc
?? Unified code B: 23 platform

Attach A unified code, B belong to A later extension