Mongo备忘录
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Mongo的基本使用
shell命令
- db 或 show dbs: 这个命令显示所有数据库
- use test: 这个命令表示切换到test数据库，如果没有的话就新建一个数据库
- test.createCollection(“user”,
- test.insert({}): 插入一个记录
