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. | ||
</div> | </div> | ||
| − | <div class=q data-lang="py3"> | + | <div class="q nonum" data-lang="py3"> |
Show all the capital of France. | Show all the capital of France. | ||
<pre class=def> | <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