MongoDB入门之增删改查（命令行）

1、首先要启动mongodb

set MANGO_HOME=C:\Database\MongoDB\Server\3.0
Set PATH=%MANGO_HOME%\bin;%PATH%
mongod --dbpath=D:\Database\MongoDB3\db

2、然后启动mongo命令行

set MANGO_HOME=C:\Program Files\MongoDB\Server\3.0
Set PATH=%MANGO_HOME%\bin;%PATH%
mongo

3、列出并选用db

show dbs
use test
show collections

4、插入数据，新建collection

db.person.insert({"name":"neo","age":"26","sex":"male"})
db.person.insert({"name":"joe","age":"28","sex":"male"})

5、查询

db.person.find()
db.person.find({"name":"joe"})

6、更新

db.person.update({"name":"joe"},{"name":"joe","age":"29","sex":"male"})
db.person.update({"name":"joe"},{$set:{"age":"28"}})

6、删除

db.person.remove({"name":"joe"})
db.person.remove({})