白眉大叔 3、MySQL字符集和校对规则_mysql修改数据库字符集和校对规则-CSDN博客
show create database chat_proxy_test;
CREATE DATABASE `chat_proxy_test` /*!40100 DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ciCREATE DATABASE `chat_proxy_test` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci
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