【MySQL 00】MySQL数据表
程序员文章站
2022-05-10 23:48:14
...
【MySQL 00】MySQL数据表
/* *-------------------------------------------------MySQL数据表--------------------------------------------------- * * C:\Users\kevinelstri>mysql -u root -p Enter password: ***** Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 118 Server version: 5.5.29 MySQL Community Server (GPL) Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | data1 | | data2 | | mysql | | performance_schema | | test | +--------------------+ 6 rows in set (0.00 sec) mysql> use test; Database changed mysql> show tables; +----------------+ | Tables_in_test | +----------------+ | access | | app | | cal | | orders | | person | | person01 | | web | | website | +----------------+ 10 rows in set (0.00 sec) mysql> select * from access; +------+---------+-------+------------+ | aid | site_id | count | date | +------+---------+-------+------------+ | 1 | 1 | 45 | 2016-05-10 | | 2 | 3 | 100 | 2016-05-13 | | 3 | 1 | 230 | 2016-05-14 | | 4 | 2 | 10 | 2016-05-14 | | 5 | 5 | 206 | 2016-05-14 | | 6 | 4 | 13 | 2016-05-15 | | 7 | 3 | 220 | 2016-05-16 | | 8 | 5 | 545 | 2016-05-16 | | 9 | 3 | 201 | 2016-05-17 | +------+---------+-------+------------+ 9 rows in set (0.00 sec) mysql> select * from app; +------+------------+-----------------------+---------+ | id | app_name | url | country | +------+------------+-----------------------+---------+ | 1 | qq | http://www.qq.com | CN | | 2 | taobao app | http://www.taobao.com | CN | | 3 | weibo app | http://weibo.com | CN | +------+------------+-----------------------+---------+ 3 rows in set (0.00 sec) mysql> select * from cal; +----+------+-------+--------+------+ | id | name | first | second | sum | +----+------+-------+--------+------+ | 1 | lily | 42 | 3 | NULL | | 2 | mary | 22 | 637 | NULL | | 3 | may | 32 | 43 | 75 | +----+------+-------+--------+------+ 3 rows in set (0.00 sec) mysql> select * from orders; +------+---------+------+ | O_id | OrderNo | id | +------+---------+------+ | 1 | 77895 | 3 | | 2 | 44678 | 3 | | 3 | 22456 | 2 | | 4 | 24562 | 1 | +------+---------+------+ 4 rows in set (0.00 sec) mysql> select * from person; +----+-----------+-----------+--------------+----------+ | id | LastName | FirstName | Address | City | +----+-----------+-----------+--------------+----------+ | 1 | Hansen | Ola | Timoteivn 10 | Sandes | | 2 | Svendson | Tove | Borgvn 23 | Sandes | | 3 | Pettersen | Keri | Storgt 20 | Stavaner | +----+-----------+-----------+--------------+----------+ 3 rows in set (0.00 sec) mysql> select * from website; +----+----------+-------------------------+-------+---------+ | id | name | url | alexa | country | +----+----------+-------------------------+-------+---------+ | 1 | Google | http://www.google.com | 1 | USA | | 2 | taobao | http://www.taobao.com | 13 | CN | | 3 | cainiao | http://www.runoob.com | 673 | CN | | 4 | weibo | http://weibo.com | 20 | CN | | 5 | Facebook | http://www.facebook.com | 3 | USA | | 7 | ali | http://www.ali.com | 32 | CN | +----+----------+-------------------------+-------+---------+ 6 rows in set (0.00 sec) mysql> select * from person01; +------+------+---------+----------+------------+ | id | name | address | city | date | +------+------+---------+----------+------------+ | 1 | Lily | xian | shanghai | NULL | | 2 | Mary | beijing | shanghai | 2016-03-02 | +------+------+---------+----------+------------+ 2 rows in set (0.00 sec) * */
以上就是 【MySQL 00】MySQL数据表的内容,更多相关内容请关注PHP中文网(www.php.cn)!