SQL Reference

SQL Reference will help you to understand the basics of SQL and become familiar with the advanced level. Content of the handbook is divided into four categories:

- Basics

- Advanced

- Functions

- Articles

- Training

Articles contain syntax (which is highlighted) examples for functions. The description of each function includes some examples with comments.

Reference is also shows major differences of the syntax of the various databases: MySQL, SQL Server, Oracle, Access, SQLite.

Training section allows you to practice in running sql queries. This section availible only in full version.

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SQL参考将帮助您了解SQL的基本知识，熟悉先进水平。手册的内容分为四大类：

- 基础知识

- 高级

- 功能

- 文章

- 培训

文章包含的语法（这是重点）示例函数。每个功能的描述包括与评论的一些例子。

参考文献也显示了各种数据库的语法主要区别：甲骨文，访问，SQLite的MySQL和SQL服务器。

培训部分，可以在运行SQL查询来练习。本节菱只有在完整版。

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