mongo ip:27017/db_name -u user_name -p

use xx_db
db.createCollection("xx_collection")

use xx_db

db.xx_collection.insertOne(
    {
        "id":"100000",
        "time":new Date(),
        "abc":"123456"
    }
)

db.xx_collection.insertMany(
[
    {
        "id":"200000",
        "time":new Date(),
        "token":"1111111"
    }, {
        "id":"300000",
        "time":new Date(),
        "token":"2222222"
    }
]
)

use xx_db
db.xx_collection.deleteOne({'id':'200000'})

db.xx_collection.deleteMany({'token':'1111111'})

db.getCollection("your_collection").stats()

db.getCollection("your_collection").stats()