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Difference between revisions of "Main Page"

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Line 18: Line 18:
 
</div>
 
</div>
 
<div class=q data-lang="py3">
 
<div class=q data-lang="py3">
Show all the data concering France.
+
Show all the capital of France.
 
<pre class=def>
 
<pre class=def>
 
pp.pprint(list(
 
pp.pprint(list(
     db.world.find({"name":"France"})
+
     db.world.find({"name":"France"},{"_id":0,"capital":1})
 
))
 
))
 
</pre>
 
</pre>

Revision as of 12:25, 27 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

Show all the capital of France.

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

Tutorials: Learn NoSQL in stages

0 FIND basics
Some examples of common queries.
1 AGGREGATE world
In which we query the world collection and make use of aggregate functions.
2 MAPREDUCE basics
Using MapReduce.
3 MAPREDUCE elite
MapReduce questions using the Elite Dangerous dataset.

Reference: How to...

AGGREGATE
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