Indexeddb 简明教程
IndexedDB Tutorial
Indexed Database 是一种 NoSQL 数据库或非关系结构化查询语言。它是一个事务数据库系统，如基于 SQL 的 RDBMS。但是，与使用固定列表的基于 SQL 的 RDBMS 不同，IndexedDB 是一个基于 JavaScript 的面向对象的数据库。
Indexed Database is a type of NoSQL database or Non-relational structured query language. It is a transactional database system like an SQL-based RDBMS. However, unlike SQL-based RDBMSs, which use fixed-column tables, IndexedDB is a JavaScript-based object-oriented database.
Audience
本教程专为愿意以简单易行的步骤学习 IndexedDB 数据库的软件专业人员设计。它将阐释 IndexedDB 概念，而且完成本教程后，你将达到中等专业知识水平，从那里你可以提升自己到更高的专业知识水平。
This tutorial is designed for Software Professionals who are willing to learn IndexedDB Database in simple and easy steps. It will throw light on IndexedDB concepts and after completing this tutorial you will be at an intermediate level of expertise, from where you can take yourself at higher level of expertise.