mongo
show dbs
use xxx
show collections
db.xxx.find()
db.users.update({ "xxx" : ObjectId("xxxx")},{$set:{"xxx":true}})
db.products.insert( { item: "card", qty: 15 } )
mongo
show dbs
use xxx
show collections
db.xxx.find()
db.users.update({ "xxx" : ObjectId("xxxx")},{$set:{"xxx":true}})
db.products.insert( { item: "card", qty: 15 } ) ![解决MongoDB官网下载速度过慢Mongo DB官网：解决： [图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)