mysql報錯：Error Code: 1044. Access denied for user 'root'@'%' to database

root用戶新建了一個數據庫，賦權限給用戶A，mysql grant 權限 on 數據庫.數據表 to '用戶' @ '主機名'; grant all on db_test.* to 'test'@'%'; 報錯以下：web [Err] 1044 - Access denied for user 'root'@'%' to database 'db_test' 報錯能夠看出root沒有權限，查詢

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