MYSQL基础管理-auto_increment测试应用

mysql> create table tid (id int not null auto_increment,name varchar(100) ,prima

ry key(id));

Query OK, 0 rows affected (0.11 sec)

mysql>

mysql>

mysql> insert into tid values('123');

ERROR 1136 (21S01): Column count doesn't match value count at row 1

mysql> insert into tid(name) values('123');

Query OK, 1 row affected (0.02 sec)

mysql> commit;

Query OK, 0 rows affected (0.00 sec)

mysql> select * from tid;

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

| id | name |

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

| 1 | 123 |

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

1 row in set (0.01 sec)

mysql> insert into tid(name) values('1111');

Query OK, 1 row affected (0.01 sec)

mysql> insert into tid(name) values('1111');

Query OK, 1 row affected (0.02 sec)

mysql> insert into tid(name) values('1111');

Query OK, 1 row affected (0.01 sec)

mysql> insert into tid(name) values('1111');

Query OK, 1 row affected (0.01 sec)

mysql> insert into tid(name) values('1111');

Query OK, 1 row affected (0.01 sec)

mysql> insert into tid(name) values('1111');

Query OK, 1 row affected (0.01 sec)

mysql> insert into tid(name) values('1111');

Query OK, 1 row affected (0.01 sec)

mysql> insert into tid(name) values('1111');

Query OK, 1 row affected (0.02 sec)

mysql> select * from tid;

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

| id | name |

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

| 1 | 123 |

| 2 | 1111 |

| 3 | 1111 |

| 4 | 1111 |

| 5 | 1111 |

| 6 | 1111 |

| 7 | 1111 |

| 8 | 1111 |

| 9 | 1111 |

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

9 rows in set (0.00 sec)

mysql> show create table tid\G

*************************** 1. row ***************************

Table: tid

Create Table: CREATE TABLE `tid` (

`id` int NOT NULL AUTO_INCREMENT,

`name` varchar(100) DEFAULT NULL,

PRIMARY KEY (`id`)

) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_a

i_ci

1 row in set (0.01 sec)

mysql>

相关推荐
雨白5 小时前
Android 快捷方式实战指南:静态、动态与固定快捷方式详解
android
hqk5 小时前
鸿蒙项目实战:手把手带你实现 WanAndroid 布局与交互
android·前端·harmonyos
LING5 小时前
RN容器启动优化实践
android·react native
用户8307196840826 小时前
MySQL 查询优化 30 条封神技巧:用好索引,少耗资源,查询快到飞起
mysql
恋猫de小郭8 小时前
Flutter 发布官方 Skills ,Flutter 在 AI 领域再添一助力
android·前端·flutter
Nyarlathotep01138 小时前
事务隔离级别
sql·mysql
Nyarlathotep011311 小时前
SQL的事务控制
sql·mysql
用户861782773651812 小时前
MySQL 8.0从库宕机排查实录:中继日志膨胀引发的连锁故障复盘
mysql
Kapaseker13 小时前
一杯美式搞懂 Any、Unit、Nothing
android·kotlin
黄林晴13 小时前
你的 Android App 还没接 AI?Gemini API 接入全攻略
android