java项目——mysql简单操作_java+mysql简单项目-优快云博客

本文链接：https://blog.youkuaiyun.com/zhangzijiejiayou/article/details/50768692

本文展示了MySQL数据库的基本操作流程，包括连接数据库、显示现有数据库列表、创建新的数据库、使用SQL文件创建数据表以及展示表结构等步骤。通过这些操作，读者可以了解如何在MySQL中进行基本的数据管理和表结构定义。

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Enter password: ******
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.26-log MySQL Community Server (GPL)

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owners.

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

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| jrkj               |
| jrkj_java          |
| mysql              |
| performance_schema |
| sakila             |
| shop               |
| test               |
| world              |
+--------------------+
9 rows in set (0.02 sec)

mysql> create database drp;
Query OK, 1 row affected (0.00 sec)

mysql> use drp;
Database changed
mysql> \
mysql> \. G:\SSH\user_create.sql
Query OK, 0 rows affected, 1 warning (0.00 sec)

Query OK, 0 rows affected (0.04 sec)

mysql> show tables;
+---------------+
| Tables_in_drp |
+---------------+
| t_user        |
+---------------+
1 row in set (0.00 sec)

mysql> desc t_user;
+-------------+-------------+------+-----+-------------------+-----------------------------+
| Field       | Type        | Null | Key | Default           | Extra                       |
+-------------+-------------+------+-----+-------------------+-----------------------------+
| user_id     | varchar(10) | NO   | PRI | NULL              |                             |
| user_name   | varchar(30) | NO   |     | NULL              |                             |
| password    | varchar(30) | YES  |     | NULL              |                             |
| contact_tel | varchar(30) | YES  |     | NULL              |                             |
| email       | varchar(30) | YES  |     | NULL              |                             |
| create_date | timestamp   | NO   |     | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |
+-------------+-------------+------+-----+-------------------+-----------------------------+
6 rows in set (0.01 sec)

mysql>select * from t_user;