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Created July 14, 2012 22:11
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Mongodb - Indexing Embedded Documents
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Indexing on Embedded Fields("Dot Notation")
With MongoDB you can even index on a key inside of an embedded document. Reaching into sub-documents is referred to as Dot Notation. For example:
db.things.ensureIndex({"address.city": 1})
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http://www.mongodb.org/display/DOCS/Indexes#Indexes-Basics

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