FAQ：数据库和模型 我该如何在Django运行的过程中看到SQL查询？ 我可以让 Django 使用一个已经存在的数据库吗？ 如果我对一个模型做了改动，我该如何去更新数据库？ Django 支持多列主键吗？ Django 支持 NoSQL 数据库吗？ 如何将特定于数据库的选项添加到我的 CREATE TABLE 语句中，例如将 MylSAM 指定...

Background Challenges Goal Application Scenarios Related References Background In a scenario where the business continues to develop and the amount of data and concurrency r...

Background Challenges Goal Application Scenarios Related References Background In a scenario where the business continues to develop and the amount of data and concurrency r...

DB相关 什么是数据库？ 分类 RDBMS ER模型 关系代数 基本概念 SQL 三范式 NoSQL 为什么NoSQL变得流行 总结 什么是mongodb？ 为什么选用mongodb？ 基本概念 对比 DB相关 从上章节我们知道如何在express里获取值，无论表单还是ajax，那么取过来的值用来干嘛呢？这就要看具体业务...

Database adapters Memory/Filesystem SQL NoSQL Database adapters Feathers database adapters are modules that provide services that implement standard CRUD functionality for...

MongoDB 聚合aggregate aggregate()语法 实例 管道的概念 SQL to Aggregation Mapping Chart MongoDB 聚合aggregate MongoDB中聚合(aggregate)主要用于处理数据(诸如统计平均值,求和等)，并返回计算后的数据结果。有点类似sql语句中的 count(*),...

Download Build Create config file Start Docker Download Download stable version from Download page for production use, otherwise git clone the source code. Build make T...

More on Tutorials External tutorials Miscellaneous Italian Japanese More on Tutorials We decided to provide a Getting Started video course for FREE! This course is design...

TimescaleDB Overview Easy to Use Scalable Reliable Download the Guide Overview TimescaleDB Overview TimescaleDB is an open-source time-series database optimized for fast i...

Benefits Agile application development 1. Zero data loss writes and low-latency, always-on reads 3. High performance 3. Popular APIs and mature ecosystems 4. Converged caching ...