Tinydb 简明教程

TinyDB - Introduction

用纯 Python 编程语言编写的 TinyDB 是一个轻量级文档数据库，没有外部依赖关系。它提供了易于使用的简单 API。我们无需任何配置即可将 TinyDB 数据库用于小型项目应用。

TinyDB 模块作为 Python 程序的第三方模块提供，可用于存储、检索和修改 JSON 格式的数据。

TinyDB 是一个干净且操作起来轻松的数据库，可操作多种格式的文档。它具有以下特性。

Really tiny − TinyDB 数据库本质上非常小，只有 1800 行代码和 1600 行测试。
Easy to use − TinyDB 易于使用，因为它具有简单且清晰的 API。
Document oriented − 在 TinyDB 中，我们可以存储任何文档。该文档将表示为 dict。
Independent − TinyDB 数据库独立于任何外部服务器和 PyPI 的外部依赖关系。
Compatible with Python 3.6 or latest − TinyDB 已通过测试，并与 Python 3.6 及更高版本兼容。它还可以与 PyPY3 很好地兼容。
Extensible − TinDB is easily extensible either by writing new storages or by modifying the behaviour of storages.

TinyDB provide various benefits for students, users, and developers.

TinyDB is open-sourced database aand it does not require any external configirations.
It is quite easy-to-use, and the user can effortlessly handle documents.
It automatically stores documents in the database.
TinyDB is ideal in case of personal projects where we need to install some data.
It is suitable for small applications that would be blown away by large databases like SQL or an external DB server.
It uses a simple command line and query to operate data.
There is 100% test coverage i.e., no explanation needed.

TinyDB will not be the right choice for your project if you need to −

The following table highlights how TinyDB is different from MySQL and Oracle databases −

Comparison Basis

MySQL

Oracle

TinyDB

Configurations

Several Configurations

Less Configurations, lightweight database

Complicated

Yes

No, easy-to-use and hustle-free

Affordable

Affordable than other databases

Manageable

Big database, hence difficult to manage

Small and manageable