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Operating System:UbuntuKylin 16.04 LTS 64bit
mysql: Ver 14.14 Distrib 5.7.17, for Linux (x86_64) using EditLine wrapper
登录:
展示所有的数据库:
进入指定的数据库:
[email protected]:~$ mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 14 Server version: 5.7.17-0ubuntu0.16.04.1 (Ubuntu) Copyright (c) 2000, 2016, 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 | | myFirstDB | | mysql | | performance_schema | | phpmyadmin | | sys | +--------------------+ 6 rows in set (0.00 sec) mysql> use myFirstDB Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed
查看当前数据库下的所有表:
查看指定表的所有内容:
mysql> show tables; +---------------------+ | Tables_in_myFirstDB | +---------------------+ | FirstTable | | PersonalInformation | +---------------------+ 2 rows in set (0.00 sec) mysql> select * from PersonalInformation; +------+---------------+ | nid | name | +------+---------------+ | 1 | xinjinzhigang | +------+---------------+ 1 row in set (0.00 sec)
更新表格中某列为指定数据的 一行:
code:
mysql> update PersonalInformation set name=‘xinjinrushui‘ where nid = 1 -> ; #更新 PersonalInformation 表中 nid列=1 的那一行 的 name值 改为 xinjingrushui
result:
Query OK, 1 row affected (0.06 sec) Rows matched: 1 Changed: 1 Warnings: 0
查看表中的所有数据:
退出:
mysql> select * from PersonalInformation; +------+--------------+ | nid | name | +------+--------------+ | 1 | xinjinrushui | +------+--------------+ 1 row in set (0.00 sec) mysql> exit Bye [email protected]:~$
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时间: 2024-10-27 10:34:16