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   What is the capital of France?
 
   What is the capital of France?
   <pre class="def"><nowiki>db.world.findOne({name: "France"}, {capital: 1});</nowiki></pre>
+
   <pre class="def"><nowiki>db.world.findOne({name: "France"}).capital;</nowiki></pre>
 
</div>
 
</div>
 
{{TopTenTips}}
 
{{TopTenTips}}

Revision as of 16:42, 24 July 2020

Learn NoSQL using MongoDB.

 What is the capital of France?
db.world.findOne({name: "France"}).capital;

Tutorials: Learn NoSQL in stages

MongoDB

1 FIND Tutorial
Using Find.
2 AGGREGATE Tutorial
In which we query the world collection and make use of aggregate functions. (extra: AGGREGATE Movies Tutorial)
3 MAPREDUCE Tutorial
Using MapReduce.
4 MAPREDUCE Elite
MapReduce questions using the Elite Dangerous dataset.
5 Survey
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Neo4j

1 MATCH Tutorial
Using MATCH
2 Relationships Tutorial
Understanding Relationships

Reference: How to...

AGGREGATE Examples
FIND
FIND Examples
JavaScript: Fundamentals
JavaScript: Computed Properties
MAPREDUCE
NOSQLZOO: 'elite' dataset schema
RegEx Pattern Matching

MongoDB resources

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

Acknowledgements

NoSQLZoo is made possible by the following open-source technologies:

jQuery JSHint CodeMirror MediaWiki MariaDB