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Difference between revisions of "Main Page"

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; [[MAPREDUCE elite|x MAPREDUCE elite]]:MapReduce questions using the Elite Dangerous dataset.
 
; [[MAPREDUCE elite|x MAPREDUCE elite]]:MapReduce questions using the Elite Dangerous dataset.
 
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Show all the capital of France.
 
Show all the capital of France.
 
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<pre class=def>

Revision as of 13:21, 28 July 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)

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.

Show all the capital of France.

pp.pprint(list(
    db.world.find({"name":"France"},{"_id":0,"capital":1})
))

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