数据库nosql集合的相关内容

阿里云文档 2025-10-20

Couchbase社区版是分布式NoSQL数据库平台，支持AI功能，通过计算巢部署需配置资源参数并参考官网文档使用。

服务简介Couchbase 是一个屡获殊荣的分布式 NoSQL 开发者数据库平台，可为您的关键应用程序提供无与伦比的多功能性、性能、可扩展性和经济价值。Couchbase 拥抱 AI，为开发者提供编码辅助，以及用于构建应用程序的 AI 服务，包括由 RAG 驱动的代理、实时分析和云到边缘的矢量搜索。...

文章 2017-11-13 来自：开发者社区

5.非关系数据库（Nosql）它mongodb：创建一个集合，导出和导入备份，数据恢复，进出口

1 固定集合固定集合值得是事先创建并且大小固定的集合 2 固定集合的特征：固定集合非常像环形队列。假设空间不足，最早文档就会被删除，为新的文档腾出空间。一般来说。固定集合适用于不论什么想要自己主动淘汰过期属性的场景，没有太多的操作限制。 3 创建固定集合使用命令： db.createCollection(“collectionName”,{capped:true,s...

文章 2014-10-16 来自：开发者社区

5.非关系型数据库（Nosql）之mongodb：创建集合，备份与导入导出，数据还原，导入导出

1 固定集合固定集合值得是事先创建而且大小固定的集合 2 固定集合的特征：固定集合很像环形队列，如果空间不足，最早文档就会被删除，为新的文档腾出空间。一般来说，固定集合适用于任何想要自动淘汰过期属性的场景，没有太多的操作限制。 3 创建固定集合使用命令： db.createCollection(“collectionName”,{capped:true,size:100000,...

文章 2014-10-15 来自：开发者社区

2.非关系型数据库（Nosql）之mongodb：mongodb显示所有数据库，使用数据库，集合创建（显示和隐式创建），集合查询，初步数据的增删改查,分页

1代开一个cmd窗口，当作mongodb客户端，执行以下命令： mongo localhost:27017 2查看所有的数据库： > show dbs; admin (empty) local 0.078GB 3 db命令，查看当前窗口在那个数据库下面（test数据库没有任何数据，在内存里面）： 4创建集合 A 显示创建 db.cr...

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