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Concept visual
A document in MongoDB is the same as a record in SQL databases.
To insert a record, or document as it is called in MongoDB, into a collection, we use the insert_one() method. The first parameter of the insert_one() method is a dictionary containing the name(s) and value(s) of each field in the document you want to insert.
Insert a record in the "customers" collection:
Formula
import pymongo myclient = pymongo.MongoClient("mongodb://localhost:27017/")
mydb = myclient["mydatabase"]
mycol = mydb["customers"]mydict = { "name": "John", "address": "Highway 37" }
x =
mycol.insert_one(mydict)Return the _id Field The insert_one() method returns a InsertOneResult object, which has a property, inserted_id, that holds the id of the inserted document.
Insert another record in the "customers" collection, and return the value of the_id field:
mydict = { "name": "Peter", "address": "Lowstreet 27" }Formula
x = mycol.insert_one(mydict)print(x.inserted_id)_id field, then MongoDB will add one for you and assign a unique id for each document.
_id field was specified, so MongoDB assigned a unique _id for the record (document).
To insert multiple documents into a collection in MongoDB, we use the insert_many() method. The first parameter of the insert_many() method is a list containing dictionaries with the data you want to insert:
Example import pymongo myclient = pymongo.MongoClient("mongodb://localhost:27017/")
Formula
mydb = myclient["mydatabase"]
mycol = mydb["customers"]mylist = [
{ "name": "Amy", "address": "Apple st 652"},
{ "name": "Hannah", "address": "Mountain 21"},
{ "name":
"Michael", "address": "Valley 345"},
{ "name": "Sandy", "address":
"Ocean blvd 2"},
{ "name": "Betty", "address": "Green Grass 1"},
{ "name": "Richard", "address": "Sky st 331"},
{ "name": "Susan",
"address": "One way 98"},
{ "name": "Vicky", "address": "Yellow
Garden 2"},
{ "name": "Ben", "address": "Park Lane 38"},
{ "name": "William", "address": "Central st 954"},
{ "name":
"Chuck", "address": "Main Road 989"},
{ "name": "Viola",
"address": "Sideway 1633"}]
Formula
x = mycol.insert_many(mylist)#print list of the _id values of the inserted documents:
print(x.inserted_ids)
The insert_many()method returns a InsertManyResult object, which has a property, inserted_ids, that holds the ids of the inserted documents. Insert Multiple Documents, with Specified IDs If you do not want MongoDB to assign unique ids for your document, you can specify the _id field when you insert the document(s). Remember that the values has to be unique. Two documents cannot have the same _id.
Example import pymongo myclient = pymongo.MongoClient("mongodb://localhost:27017/")
Formula
mydb = myclient["mydatabase"]
mycol = mydb["customers"]mylist = [
{ "_id": 1, "name": "John", "address": "Highway 37"},
{ "_id": 2, "name": "Peter", "address": "Lowstreet 27"},
{ "_id":
3, "name": "Amy", "address": "Apple st 652"},
{ "_id": 4, "name":
"Hannah", "address": "Mountain 21"},
{ "_id": 5, "name":
"Michael", "address": "Valley 345"},
{ "_id": 6, "name": "Sandy",
"address": "Ocean blvd 2"},
{ "_id": 7, "name": "Betty",
"address": "Green Grass 1"},
{ "_id": 8, "name": "Richard",
"address": "Sky st 331"},
{ "_id": 9, "name": "Susan", "address":
"One way 98"},
{ "_id": 10, "name": "Vicky", "address": "Yellow
Garden 2"},
{ "_id": 11, "name": "Ben", "address": "Park Lane
38"},
{ "_id": 12, "name": "William", "address": "Central st
954"},
{ "_id": 13, "name": "Chuck", "address": "Main Road 989"},
{ "_id": 14, "name": "Viola", "address": "Sideway 1633"}]
Formula
x = mycol.insert_many(mylist)#print list of the _id values of the inserted documents:
print(x.inserted_ids)