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pp = pprint.PrettyPrinter(indent=4)
 
pp = pprint.PrettyPrinter(indent=4)
 
</pre>
 
</pre>
 +
 +
<div class="q nonum" data-lang="py3">
 +
What is the capital of France?
 +
<pre class=def>
 +
print( db.world.find_one({"name":"France"},{"capital":1}) )
 +
</pre>
 +
</div>
 +
 
<div style="min-height:25em">
 
<div style="min-height:25em">
 
{{TopTenTips}}
 
{{TopTenTips}}
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; [[MAPREDUCE basics|x MAPREDUCE basics]]:Using MapReduce.
 
; [[MAPREDUCE basics|x MAPREDUCE basics]]:Using MapReduce.
 
; [[MAPREDUCE elite|x MAPREDUCE elite]]:MapReduce questions using the Elite Dangerous dataset.
 
; [[MAPREDUCE elite|x MAPREDUCE elite]]:MapReduce questions using the Elite Dangerous dataset.
</div>
 
<div class="q nonum" data-lang="py3">
 
Show all the capital of France.
 
<pre class=def>
 
pp.pprint(list(
 
    db.world.find({"name":"France"},{"_id":0,"capital":1})
 
))
 
</pre>
 
 
</div>
 
</div>
 
==Reference: How to...==
 
==Reference: How to...==

Revision as of 12:52, 5 August 2015

#ENCODING
import io
import sys
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-16')
#MONGO
from pymongo import MongoClient
client = MongoClient()
client.progzoo.authenticate('scott','tiger')
db = client['progzoo']
#PRETTY
import pprint
pp = pprint.PrettyPrinter(indent=4)

What is the capital of France?

print( db.world.find_one({"name":"France"},{"capital":1}) )

Learn NoSQL using: MongoDB, PyMongo, and Python3.4

Tutorials: Learn NoSQL in stages

x FIND basics
Using Find.
x AGGREGATE world
In which we query the world collection and make use of aggregate functions.
x MAPREDUCE basics
Using MapReduce.
x MAPREDUCE elite
MapReduce questions using the Elite Dangerous dataset.

Reference: How to...

AGGREGATE examples
FIND
FIND examples
MAPREDUCE
NOSQLZOO: 'elite' dataset schema
RegEx Pattern Matching

MongoDB resources

Manuals
MongoDB Documentaion MongoDB Documentation GitHub
Python 3 Documentaion PyMongo API Documentation
Karl Seguin's The Little MongoDB Book