After migration to MySql 8 from 5.7 - Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_0900_ai_ci,IMPLICIT) for operation '=' - Stack Overflow
Jonathan Reinink on Twitter: "So, if you're using MySQL, and running into issues like this, consider using "utf8mb4_0900_ai_ci" instead of "utf8mb4_unicode_ci". You can read more about this on the MySQL blog: https://t.co/yD6aEYcpdG
MySQL: Character Sets, Unicode, and UCA compliant collations
Charset and Collation In MySql
Database Importing Error: Unknown collation: 'utf8mb4_0900_ai_ci' error - Support
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
Codidact Collab - Mysql return error Unknown collation: 'utf8mb4...