Это мои теги. Я использую облако Google sql.
character_set_client: utf8mb4.
character_set_connection, utf8mb4
character_set_database, utf8mb4
character_set_filesystem, binary
character_set_results, utf8mb4
character_set_server, utf8mb4
character_set_system, utf8
collation_connection, utf8mb4_general_ci
collation_server_database, * collation8mb4 * 10general_database, utflation8mb