错误1396 (HY000):为'jack'@'localhost'创建用户操作失败

我似乎无法重新创建一个我已经删除的简单用户，即使是MySQL的根用户。

我的案例:用户'jack'之前存在，但我从mysql中删除了它。用户才能重新创建它。我在那张桌子上没看到这东西的痕迹。如果我对其他一些随机用户名执行这个命令，比如'jimmy'，它就能正常工作(就像它最初对'jack'所做的那样)。

我做了什么破坏用户'jack'，我如何撤销这个破坏，以重新创建'jack'作为MySQL安装的有效用户?

参见下面的示例。(当然，最初，jack这个词从被创造到被移除之间有很长一段时间。)

mysql> CREATE USER 'jack'@'localhost' IDENTIFIED BY 'test123';
Query OK, 0 rows affected (0.00 sec)

mysql> select user,host from user;
+------------------+-----------------+
| user             | host            |
+------------------+-----------------+
| root             | 127.0.0.1       |
| debian-sys-maint | localhost       |
| jack             | localhost       |
| root             | localhost       |
| root             | russ-elite-book |
+------------------+-----------------+
5 rows in set (0.00 sec)

mysql> delete from user where user = 'jack';
Query OK, 1 row affected (0.00 sec)

mysql> select user,host from user;
+------------------+-----------------+
| user             | host            |
+------------------+-----------------+
| root             | 127.0.0.1       |
| debian-sys-maint | localhost       |
| root             | localhost       |
| root             | russ-elite-book |
+------------------+-----------------+
4 rows in set (0.00 sec)

mysql> CREATE USER 'jack'@'localhost' IDENTIFIED BY 'test123';
ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
mysql> CREATE USER 'jimmy'@'localhost' IDENTIFIED BY 'test123';
Query OK, 0 rows affected (0.00 sec)

mysql> select user,host from user;
+------------------+-----------------+
| user             | host            |
+------------------+-----------------+
| root             | 127.0.0.1       |
| debian-sys-maint | localhost       |
| jimmy            | localhost       |
| root             | localhost       |
| root             | russ-elite-book |
+------------------+-----------------+
5 rows in set (0.00 sec)

当前回答

我的经验与这个错误导致我做显式删除mysql。用户，但不是从mysql.db

如果create中的用户名存在于user或db中，就会得到这个错误。通过做从mysql删除。user == 'user@bar'; delete from mysql.db where User == 'user@bar';

2021-08-16 19:28:02

其他回答

如果要删除一个使用sql语句的用户，需要先删除columns_priv、db、procs_priv、tables_priv表中的相关数据。然后执行flush特权;

2012-01-03 02:31:44

尝试删除mysql.db where user = 'jack'然后创建一个用户

2011-04-05 16:46:05

我的经验与这个错误导致我做显式删除mysql。用户，但不是从mysql.db

如果create中的用户名存在于user或db中，就会得到这个错误。通过做从mysql删除。user == 'user@bar'; delete from mysql.db where User == 'user@bar';

2021-08-16 19:28:02

只需从mysql.db中删除与用户相关的数据(也可以从其他表中删除)，然后重新创建两者。

2017-01-17 11:59:19

two method 
one :
setp 1: drop user 'jack'@'localhost';
setp 2: create user 'jack'@localhost identified by 'ddd';

two:
setp 1: delete from user where user='jack'and host='localhost';
setp 2: flush privileges;
setp 3: create user 'jack'@'localhost' identified by 'ddd';

2013-01-07 07:53:45

错误1396 (HY000):为'jack'@'localhost'创建用户操作失败

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