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

Copyright (c) 2000, 2013, 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 |

| hwgk_db |

| mysql |

| zrcx_db |

+--------------------+

4 rows in set (0.00 sec)

mysql> user zrcx_db;

ERROR 1064 (42000): You have an error in your SQL syntax;

check the manual that

corresponds to your MySQL server version for the right syntax

to use near 'user

zrcx_db' at line 1

mysql> use zrcx_db;

Database changed

mysql> selet * from tb_test;

ERROR 1064 (42000): You have an error in your SQL syntax;

check the manual that

corresponds to your MySQL server version for the right syntax

to use near 'selet

* from tb_test' at line 1

mysql> select * from tb_test;

Empty set (0.04 sec)

mysql> insert into tb_test(id,firstname,lastname,email,phone)

values(id,'lining'

,'aa','[email protected]','123353');

Query OK, 1 row affected (0.00 sec)

mysql> select * from tb_test;

+----+-----------+----------+-----------+--------+

| id | firstname | lastname | email | phone |

+----+-----------+----------+-----------+--------+

| 1 | lining | aa | [email protected] | 123353 |

+----+-----------+----------+-----------+--------+

1 row in set (0.00 sec)

mysql> insert into tb_test(id,firstname,lastname,email,phone)

values(id,'lining'

,'aa','[email protected]','123353');

Query OK, 1 row affected (0.01 sec)

mysql> select * from tb_test;

+----+-----------+----------+-----------+--------+

| id | firstname | lastname | email | phone |

+----+-----------+----------+-----------+--------+

| 1 | lining | aa | [email protected] | 123353 |

| 2 | lining | aa | [email protected] | 123353 |

+----+-----------+----------+-----------+--------+

2 rows in set (0.00 sec)

mysql> delete from tb_test where id=2;

Query OK, 1 row affected (0.10 sec)

mysql> select * from tb_test;

+----+-----------+----------+-----------+--------+

| id | firstname | lastname | email | phone |

+----+-----------+----------+-----------+--------+

| 1 | lining | aa | [email protected] | 123353 |

+----+-----------+----------+-----------+--------+

1 row in set (0.00 sec)

相关推荐
MessiGo19 分钟前
Javascript 编程基础(5)面向对象 | 5.1、构造函数实例化对象
开发语言·javascript·原型模式
大霞上仙23 分钟前
nonlocal 与global关键字
开发语言·python
galaxy_strive28 分钟前
绘制饼图详细过程
开发语言·c++·qt
黑客老李1 小时前
JavaSec | SpringAOP 链学习分析
java·运维·服务器·开发语言·学习·apache·memcached
开开心心就好1 小时前
高效Excel合并拆分软件
开发语言·javascript·c#·ocr·排序算法·excel·最小二乘法
特立独行的猫a1 小时前
Nuxt.js 中的路由配置详解
开发语言·前端·javascript·路由·nuxt·nuxtjs
勤奋的知更鸟2 小时前
Java编程之原型模式
java·开发语言·原型模式
珂朵莉MM2 小时前
2021 RoboCom 世界机器人开发者大赛-高职组(初赛)解题报告 | 珂学家
java·开发语言·人工智能·算法·职场和发展·机器人
香蕉炒肉2 小时前
Java优化:双重for循环
java·开发语言
傍晚冰川2 小时前
FreeRTOS任务调度过程vTaskStartScheduler()&任务设计和划分
开发语言·笔记·stm32·单片机·嵌入式硬件·学习