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
惊讶的猫1 分钟前
LSTM论文解读
开发语言·python
獨枭24 分钟前
C# 本地项目引用失效与恢复全攻略
开发语言·c#·visual studio
国服第二切图仔1 小时前
Rust开发之Trait 定义通用行为——实现形状面积计算系统
开发语言·网络·rust
mjhcsp1 小时前
C++ 循环结构:控制程序重复执行的核心机制
开发语言·c++·算法
A阳俊yi1 小时前
Spring Data JPA
java·开发语言
csbysj20201 小时前
CSS 对齐
开发语言
爱吃巧克力的程序媛1 小时前
将qt界面中加载css或者qss样式
开发语言·css·qt
njxiejing1 小时前
Python进度条工具tqdm的安装与使用
开发语言·python
张np2 小时前
java基础-集合接口(Collection)
java·开发语言