Merging other languages

en/05.0.md

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-# 5 访问数据库
-对许多Web应用程序而言，数据库都是其核心所在。数据库几乎可以用来存储你想查询和修改的任何信息，比如用户信息、产品目录或者新闻列表等。
-
-Go没有内置的驱动支持任何的数据库，但是Go定义了database/sql接口，用户可以基于驱动接口开发相应数据库的驱动，5.1小节里面介绍Go设计的一些驱动，介绍Go是如何设计数据库驱动接口的。5.2至5.4小节介绍目前使用的比较多的一些关系型数据驱动以及如何使用，5.5小节介绍我自己开发一个ORM库，基于database/sql标准接口开发的，可以兼容几乎所有支持database/sql的数据库驱动，可以方便的使用Go style来进行数据库操作。
-
-目前NOSQL已经成为Web开发的一个潮流，很多应用采用了NOSQL作为数据库，而不是以前的缓存，5.6小节将介绍MongoDB和Redis两种NOSQL数据库。
-
->[Go database/sql tutorial](http://go-database-sql.org/) 里提供了惯用的范例及详细的说明。
-
-## 目录
-   ![](images/navi5.png?raw=true)
-
-## links
-   * [目录](<preface.md>)
-   * 上一章: [第四章总结](<04.6.md>)
-   * 下一节: [database/sql接口](<05.1.md>)
+# 5 Database
+
+For web developers, the database is at the core of web development. You can save almost anything into a database and query or update data inside it, like user information, products or news articles.
+
+Go doesn't provide any database drivers, but it does have a driver interface defined in the `database/sql` package. People can develop database drivers based on that interface. In section 5.1, we are going to talk about database driver interface design in Go; in sections 5.2 to 5.4, I will introduce some SQL database drivers to you; in section 5.5, i'll present the ORM　that i've developed which is based on the `database/sql` interface standard. It's compatible with most drivers that have implemented the `database/sql` interface, and it makes it easy to access databases idiomatically in Go.
+
+NoSQL has been a hot topic in recent years. More websites are deciding to use NoSQL databases as their main database instead of just for the purpose of caching. I will introduce you to two NoSQL databases, which are MongoDB and Redis, in section 5.6.
+
+## Links
+
+- [Directory](preface.md)
+- Previous Chapter: [Chapter 4 Summary](04.6.md)
+- Next section: [database/sql interface](05.1.md)