MongoDB数据库详细介绍（一）
MongoDB-27017端口 一：什么是Nosql(面向对象的形式--key,value存储) 二：认识 MongoDB（存储的是json）
MongoDB->27017端口
一：什么是Nosql(面向对象的形式--key,value存储)
二：认识MongoDB（存储的是json）
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