mysql-建立用戶報錯ERROR 1396 (HY000): Operation CREATE USER failed for 'XXXX'@'XXXX'

建立用戶：
create user ‘test’@’%’ identified by ‘test’;
顯示ERROR 1396 (HY000): Operation CREATE USER failed for ‘test’@’%’
查看是否是存在這個用戶
select user from user;
發現沒有這個用戶。
記得上次有刪除過這個用戶。可能沒有刷新權限
flush privileges;
以後仍是不行報錯ERROR 1396 (HY000): Operation CREATE USER failed for ‘test’@’%’
沒辦法再刪除一次：
drop user ‘test’@’%’;
flush privileges;
以後create user ‘test’@’%’ identified by ‘test’;
成功。
網上找了下緣由：
Assume the user is there, so drop the user
After deleting the user, there is need to flush the mysql privileges
Now create the user.
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做者：rick-he
來源：CSDN
原文：https://blog.csdn.net/u011575570/article/details/51438841
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