@@ -46,3 +46,58 @@ Making a connection with authentication:
4646>>> db.collection_names()
4747[u'flask_reminders', u'test', u'usersessions', u'messages']
4848```
49+ 50+ ### Write One Document
51+ 52+ Create a database ` store_db ` , use the ` transactions ` collection and write a document to it.
53+ 54+ ```
55+ >>> db = client.store_db
56+ >>> transactions = db.transactions
57+ >>> doc_data = {
58+ 'store_name': 'sportsmans',
59+ 'branch_name': 'tygervalley',
60+ 'account_id': 'sns_03821023',
61+ 'total_costs': 109.20,
62+ 'products_purchased': ['cricket bat', 'cricket ball', 'sports hat'],
63+ 'purchase_method':
64+ 'credit card'
65+ }
66+ >>> response = transactions.insert_one(doc_data)
67+ >>> response.inserted_id
68+ ObjectId('5cad16a5a5f3826f6f046d74')
69+ ```
70+ 71+ We can verify that the collection is present:
72+ 73+ ```
74+ >>> db.collection_names()
75+ [u'transactions']
76+ ```
77+ 78+ ### Write Many Documents
79+ 80+ We can batch up our writes:
81+ 82+ ```
83+ >>> transaction_1 = {
84+ 'store_name': 'sportsmans', 'branch_name': 'tygervalley',
85+ 'account_id': 'sns_09121024', 'total_costs': 129.84,
86+ 'products_purchased': ['sportsdrink', 'sunglasses', 'sports illustrated'],
87+ 'purchase_method': 'credit card'
88+ }
89+ >>> transaction_2 = {
90+ 'store_name': 'burger king', 'branch_name':
91+ 'somerset west', 'account_id': 'bk_29151823',
92+ 'total_costs': 89.99, 'products_purchased': ['cheese burger', 'pepsi'],
93+ 'purchase_method': 'cash'
94+ }
95+ >>> transaction_3 = {
96+ 'store_name': 'game', 'branch_name': 'bellvile', 'account_id': 'gm_49121229',
97+ 'total_costs': 499.99, 'products_purchased': ['ps4 remote'],
98+ 'purchase_method': 'cash'
99+ }
100+ >>> response = transactions.insert_many([transaction_1, transaction_2, transaction_3])
101+ >>> response.inserted_ids
102+ [ObjectId('5cad18d4a5f3826f6f046d75'), ObjectId('5cad18d4a5f3826f6f046d76'), ObjectId('5cad18d4a5f3826f6f046d77')]
103+ ```
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