db.test.insertOne(
{ subject: "coffee", author: "xyz", views: 50 }
)
https://www.fun-coding.org/post/mongodb_basic4.html#gsc.tab=0
db.getCollection("name").find()
db.getCollection("name").find().limit(n)
https://hoing.io/archives/1612
db.getCollection("name").find({"_id":123})
db.getCollection("name").find({'_id': {'$gt': last_id}}})
_id값으로 오름차순 정렬
db.getCollection("name").find({}).sort({"_id":1})
1이면 오름차순, -1 이면 내림차순 정렬
https://wooiljeong.github.io/python/mongodb-01/
https://sarc.io/index.php/nosql/835-pymongo-python-mongodb
https://homzzang.com/b/py-54
db.getCollection("fs.chunks").deleteOne({"_id":123})