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
551只玄猫13 小时前
【数学建模 matlab 实验报告13】主成分分析
开发语言·数学建模·matlab·课程设计·主成分分析
无敌昊哥战神13 小时前
深入理解 C 语言:巧妙利用“0地址”手写 offsetof 宏与内存对齐机制
c语言·数据结构·算法
zzzzls~13 小时前
Python 工程化: 用 Copier 打造“自我进化“的项目脚手架
开发语言·python·copier
韶博雅13 小时前
emcc24ai
开发语言·数据库·python
yongui4783414 小时前
C# 与三菱PLC通讯解决方案
开发语言·c#
2501_9333295514 小时前
技术架构深度解析:Infoseek舆情监测系统的全链路设计与GEO时代的技术实践
开发语言·人工智能·分布式·架构
Tong Z14 小时前
常见的限流算法和实现原理
java·开发语言
凭君语未可14 小时前
Java 中的实现类是什么
java·开发语言
wearegogog12314 小时前
离散系统参数辨识与广义预测控制MATLAB实现
开发语言·matlab
史迪仔011214 小时前
[QML] QML IMage图像处理
开发语言·前端·javascript·c++·qt