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Which encoding to choose in MySQL - utf8 or utf8mb4 (utf8mb4_general_ci, utf8mb4_unicode_ci or utf8mb4_0900_ai_ci). How do they differ, how are they decoded and possible errors - Eqsash
MariaDB character set 변경 [utf8mb4]
information schema - MYSQL 8.0.2.8 Information_schema character set is incorrect, and I cannot find where to change it - Database Administrators Stack Exchange
CONC-299] Add support for utf8mb4_0900_ai_ci collation in Connector/C - Jira
mysql - Not all character sets and collation sets change to utf8mb4(.unicode .ci) - Stack Overflow
1273 Unknown collation utf8mb4 unicode 520 ci | Edureka Community
Wordpress database structure - DEV Community
mysql - Not all character sets and collation sets change to utf8mb4(.unicode .ci) - Stack Overflow
MOODLE 3.x: Warning: mysql_full_unicode_support The current setup of MySQL or MariaDB is using 'utf8'. This character set does not support four byte characters which include some emoji.
phpMyAdmin: How to Convert utf8_general_ci Database to utf8mb4_unicode_ci – Marius Hosting
Unknown collation utf8mb4 unicode 520 ci — устраняем ошибку 🚫