1.查看集合

show collections

2.向集合中添加数据

db.runoob.insertOne(

{

'title':'remove method',

'url':'http://blog.51cto.com/suyanzhu',

'description':'this is my blog'

}

)

db.runoob.insertMany([

{

'title':'data1',

'url':'http://blog.51cto.com/suyanzhu',

'description':'this is data1'

},

{

'title':'data2',

'url':'http://blog.51cto.com/suyanzhu',

'description':'this is data2'

}

])

3.查看数据

db.runoob.find().pretty()

4.删除单个数据

db.runoob.deleteOne({'title':'remove method'})

5.查看数据

db.runoob.find().pretty()