解决办法：
mysql> SET PASSWORD = PASSWORD(‘123456‘);
Query OK, 0 rows affected (0.03 sec)
mysql> create database roger;
Query OK, 1 row affected (0.00 sec)
也就是用mysql> SET PASSWORD = PASSWORD(‘123456‘);这句话重新设置一次密码！
centOS下进入mysql报错-You must SET PASSWORD before executing this statement,布布扣,bubuko.com
centOS下进入mysql报错-You must SET PASSWORD before executing this statement
原文：http://blog.csdn.net/benjamin_whx/article/details/27208883