Ubuntu
bitsCN.comubuntu系统和windows系统双系统共用是用户喜欢使用的方式之一,而MySQL是一个小型关系型数据库管理系统,在Windows平台中常以WAMP方式搭配使用,在Linux平台中常以LAMP组合形式出现,下面的方法可以使得Ubuntu平台共用Windows平台中的MySQL数据库。
双系统配置及MySQL数据库存储情境:Windows XP下d:/mysql/data中存有MySQL数据库,Linux系统为Ubuntu Server 9.10。
双系统安装完毕,利用GURB启动到Ubuntu Server 9.10,以管理员身份登录。
1)并读写方式(RW)认方式挂载Windows中D分区至/media/wind。
2)更改/media/wind/mysql/data权限
sudo chow mysql:mysql /media/wind/mysql/data (其中两个mysql分别表示用户名及所在用户组)
3)更改/etc/mysql/my.cnf文件,更改其datadir
sudo nano /etc/mysql/my.cnf
将其中的 datadir = /var/lib/mysql
更改为
datadir=/media/wind/mysql/data
存盘
4)更改/etc/apparmor.d/usr_sbin_mysqld内容中,把其中的/var/lib/mysql都对应替换成实际存储位置
如上面的 /media/wind/mysql/data/
5)重启apparmor和mysql服务
sudo /etc/init.d/apparmor restart sudo /etc/init.d/mysql restart
我重启过程中我遇到一个拒绝访问的错误,重新执行第3)步中的更改配置文件操作,将文件中的user由mysql更改为root后成功,其原因是我的Windows下MySQL数据库的未对mysql用户授予访问权限。
总结:
希望本文介绍的Ubuntu与windows双系统下共用MySQL数据库的方法能够对读者有所帮助,更多有关linux系统的知识还有待于读者去探索和学习。
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Compared with other programming languages, MySQL is mainly used to store and manage data, while other languages such as Python, Java, and C are used for logical processing and application development. MySQL is known for its high performance, scalability and cross-platform support, suitable for data management needs, while other languages have advantages in their respective fields such as data analytics, enterprise applications, and system programming.

MySQL is worth learning because it is a powerful open source database management system suitable for data storage, management and analysis. 1) MySQL is a relational database that uses SQL to operate data and is suitable for structured data management. 2) The SQL language is the key to interacting with MySQL and supports CRUD operations. 3) The working principle of MySQL includes client/server architecture, storage engine and query optimizer. 4) Basic usage includes creating databases and tables, and advanced usage involves joining tables using JOIN. 5) Common errors include syntax errors and permission issues, and debugging skills include checking syntax and using EXPLAIN commands. 6) Performance optimization involves the use of indexes, optimization of SQL statements and regular maintenance of databases.

MySQL is suitable for beginners to learn database skills. 1. Install MySQL server and client tools. 2. Understand basic SQL queries, such as SELECT. 3. Master data operations: create tables, insert, update, and delete data. 4. Learn advanced skills: subquery and window functions. 5. Debugging and optimization: Check syntax, use indexes, avoid SELECT*, and use LIMIT.

MySQL efficiently manages structured data through table structure and SQL query, and implements inter-table relationships through foreign keys. 1. Define the data format and type when creating a table. 2. Use foreign keys to establish relationships between tables. 3. Improve performance through indexing and query optimization. 4. Regularly backup and monitor databases to ensure data security and performance optimization.

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The basic operations of MySQL include creating databases, tables, and using SQL to perform CRUD operations on data. 1. Create a database: CREATEDATABASEmy_first_db; 2. Create a table: CREATETABLEbooks(idINTAUTO_INCREMENTPRIMARYKEY, titleVARCHAR(100)NOTNULL, authorVARCHAR(100)NOTNULL, published_yearINT); 3. Insert data: INSERTINTObooks(title, author, published_year)VA


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