MYSQL 连接方式
1 先登录数据库 再查询
#mysql -uroot -p -hlocalhost
Enter Password:
mysql>use mysql;
Database changed
mysql>select user from user;
2 不进入MYSQL DB直接进行查询工作
#mysql -uroot -p -e"select user from user;" user
Enter Password:
+------+
| user |
+------+
| root |
| root |
+------+
扫描二维码关注公众号，回复：
1340268 查看本文章
回滚和提交事物命令
commit;
rollback;
3 MYSQL 查询全部的参数信息
#mysql -uroot -proot -e"show variables" mysql
+-----------------------------------------+-------------------------------------------------------------------------------------------+ | Variable_name | Value | +-----------------------------------------+-------------------------------------------------------------------------------------------+ | auto_increment_increment | 1 | | auto_increment_offset | 1 | | autocommit | ON | | automatic_sp_privileges | ON | | back_log | 50 | | basedir | /usr/ | | big_tables | OFF | | binlog_cache_size | 32768 | | binlog_direct_non_transactional_updates | OFF | | binlog_format | STATEMENT | | bulk_insert_buffer_size | 8388608 | | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | utf8 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | utf8 | | character_set_system | utf8 | | character_sets_dir | /usr/share/mysql/charsets/ | | collation_connection | utf8_general_ci | | collation_database | utf8_general_ci | | collation_server | utf8_general_ci | | completion_type | 0 |