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李二狗 — @Meniny
Published 12:10 Oct 15, 2015.
Created by @ezra. Categorized in #Programming, and tagged as #Database.
Source format: Markdown
在进一步学习之前，首先来了解一些 MongoDB 基本概念，即文档、集合、数据库。通过这个表格也许可以更好的了解它们:
| SQL | MongoDB | 说明 |
|---|---|---|
| database | database | 数据库 |
| table | collection | 数据库表/集合 |
| row | document | 数据记录行/文档 |
| column | field | 数据字段/域 |
| index | index | 索引 |
| table | joins | 表连接,MongoDB不支持 |
| primary key | primary key | 主键,MongoDB自动将_id字段设置为主键 |
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