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','aa@qq.com','123353');

Query OK, 1 row affected (0.00 sec)

mysql> select * from tb_test;

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

| id | firstname | lastname | email | phone |

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

| 1 | lining | aa | aa@qq.com | 123353 |

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

1 row in set (0.00 sec)

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

values(id,'lining'

,'aa','aa@qq.com','123353');

Query OK, 1 row affected (0.01 sec)

mysql> select * from tb_test;

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

| id | firstname | lastname | email | phone |

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

| 1 | lining | aa | aa@qq.com | 123353 |

| 2 | lining | aa | aa@qq.com | 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 | aa@qq.com | 123353 |

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

1 row in set (0.00 sec)

相关推荐
一念&几秒前
每日一个C语言知识:C 字符串
c语言·开发语言
0110_102417 分钟前
tauri + rust的环境搭建---初始化以及构建
开发语言·后端·rust
会开花的二叉树19 分钟前
C++微服务 UserServer 设计与实现
开发语言·c++·微服务
像风一样自由202022 分钟前
Rust Tokio vs Go net/http:云原生与嵌入式生态选型指南
开发语言·golang·rust
DuHz24 分钟前
C程序中的数组与指针共生关系
linux·c语言·开发语言·嵌入式硬件·算法
我星期八休息27 分钟前
C++智能指针全面解析:原理、使用场景与最佳实践
java·大数据·开发语言·jvm·c++·人工智能·python
来生硬件工程师31 分钟前
【STM32笔记】:P04 断言的使用
c语言·笔记·stm32·单片机·嵌入式硬件·硬件架构·硬件设计
大猫会长32 分钟前
docker安装php+apache
java·开发语言
道之极万物灭1 小时前
Go小工具合集
开发语言·后端·golang
梵得儿SHI1 小时前
Java 反射机制深度剖析:性能与安全性的那些坑
java·开发语言·安全·反射·动态代理·性能·反射机制