mysql常用命令，检查数据库连接情况以及修改时区

常用操作

PS D:cake_server
outers> mysql -u root -p
Enter password: ****
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 2049
Server version: 5.5.40 MySQL Community Server (GPL)

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owners.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

mysql> show databases
    -> ;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| cake               |
| mysql              |
| performance_schema |
| test               |
+--------------------+
5 rows in set (0.00 sec)

mysql> show variables like '%time_zone%';
+------------------+--------+
| Variable_name    | Value  |
+------------------+--------+
| system_time_zone |        |
| time_zone        | SYSTEM |
+------------------+--------+
2 rows in set, 1 warning (0.02 sec)

mysql> set global time_zone = '+8:00';
Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.04 sec)

mysql>