1.查看集合
show collections
![](/UpLoads/images/DATA/Mongo/20230107004654615006.jpg)
2.向集合中添加数据
db.runoob.insertMany([
{
'title':'data1',
'url':'https://blog.51cto.com/suyanzhu',
'description':'this is data1'
},
{
'title':'data2',
'url':'https://blog.51cto.com/suyanzhu',
'description':'this is data2'
}
])
![](/UpLoads/images/DATA/Mongo/20230107004654853691.jpg)
3.查看数据
db.runoob.find().pretty()
![](/UpLoads/images/DATA/Mongo/20230107004654396014.jpg)
4.删除单个数据
db.runoob.deleteMany({'title':'data1'})
![](/UpLoads/images/DATA/Mongo/20230107004654359122.jpg)
5.查看数据
db.runoob.find().pretty()
![](/UpLoads/images/DATA/Mongo/20230107004654537333.jpg)
6.删除全部数据
db.runoob.deleteMany({})
![](/UpLoads/images/DATA/Mongo/20230107004654884083.jpg)
7.查看数据
db.runoob.find().pretty()
![](/UpLoads/images/DATA/Mongo/20230107004654439298.jpg)
![](/UpLoads/images/DATA/Mongo/20230107004654604996.jpg)