nosql数据库类型的相关内容

问答 2022-09-07 来自：开发者社区

04_NoSQL数据库之Redis数据库：set类型和zset类型

sets类型及操作 Set是集合，它是string类型的无序集合。set是通过hash table实现的，添加，删除和查找复杂度都是0（1）。对集合我们可以取并集、交集、差集。通过这些操作我们可以实现sns中的好友推荐和blog的tag功能。 sadd:向集合中添加一个元素，通名称为key的set中添加元素。 [toto@localhost ...

文章 2022-02-16 来自：开发者社区

03_NoSQL数据库之Redis数据库：list类型

lists类型及操作 List是一个链表结构，主要功能室push,pop、获取一个范围的所有值等等，操作中key理解为链表的名字。Redis的list类型其实就是一个每个元素都是string类型的双向链表。我们可以通过push、pop操作从链表的头部或者尾部添加删除元素，这样list既可以作为栈，又可以作为队列。 lp...

文章 2022-02-16 来自：开发者社区

02_NoSQL数据库之Redis数据库：string类型和hash类型

Strings类型及操作 String是最简单的类型，一个key对应一个Value,String类型是二进制安全的。Redis的String可以包含任何数据，比如jpg图片或者序列化的对象。 Set 设置Key对应的值为string类型的value. 例如：我们添加一个name=lijie的键值对: 127.0.0.1:6379> se...

问答 2021-12-14 来自：开发者社区

NoSQL数据库大概有几种类型？

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更新时间 2024-09-02 09:06:57

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