ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'aa'
這是匿名用戶的意思~~~雖然你以為你是root登錄
解決辦法:改真正的root登錄
F:\Softwares\mysql5\mysql-5.6.24-winx64\bin>mysql --user=root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 12 Server version: 5.6.24 MySQL Community Server (GPL) Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> create database dbb; Query OK, 1 row affected (0.00 sec)
F:\Softwares\mysql5\mysql-5.6.24-winx64\bin>mysql --user=root -p Enter password: ****** ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: Y ES)這就表示密碼錯誤。