mysql> Select user from mysql.user;
> mysql -u root -p
Enter password: *********
mysql> use mysql;
Database changed
mysql> SELECT user FROM user;
mysql> DESC user;
mysql> SELECT user , host, account_locked, password_expired FROM user ;
显示当前用户
mysql> Select user();
+----------------+
| user() |
+----------------+
| root@localhost |
+----------------+
1 row in set (0.00 sec)
mysql> Select current_user();
+----------------+
| current_user() |
+----------------+
| root@localhost |
+----------------+
1 row in set (0.00 sec)
显示当前登录的用户
mysql> SELECT user,host,db,command FROM
information_schema.processlist;
+------+-----------+-------+---------+
| user | host | db | command |
+------+-----------+-------+---------+
| root | localhost | mysql | Query |
+------+-----------+-------+---------+
1 row in set (0.00 sec)
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