连接阿里云mysql数据库报错

解决方案：

mysql> use mysql;
Database changed
 
mysql> SET SQL_SAFE_UPDATES = 0;
Query OK, 0 rows affected (0.00 sec)
mysql> update user set Host='%' where User like '%root%';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)