插入
db.COLLECTION_NAME.insertOne(DOCUMENT, OPTIONS)
db.my_col.insertOne(<br> {"a": "aaa", "bb": 100},<br> { writeConcern: { w : "majority", wtimeout : 100 } }<br> );
db.COLLECTION_NAME.insertMany([DOCUMENT1, DOCUMENT2,...DOCUMENTn], OPTIONS)
过时的
db.COLLECTION_NAME.insert(DOCUMENT)
db.COLLECTION_NAME.save(DOCUMENT)
删除
db.COLLECTION_NAME.deleteOne(QUERY)
db.COLLECTION_NAME.deleteMany(QUERY)
db.my_col.deleteMany({})
过时的
db.COLLECTION_NAME.remove(QUERY, OPTIONS)
db.COLLECTION_NAME.remove(QUERY, justOne)
修改
db.COLLECTION_NAME.update(QUERY, UPDATE, OPTIONS)
db.COLLECTION_NAME.save(DOCUMENT, OPTIONS)
查询
pretty()
db.COLLECTION_NAME.find(QUERY, OPTIONS).pretty()
db.COLLECTION_NAME.find(QUERY, projection)<br>
