Nested $and or grouped $and in MongoDB

Nested $and or grouped $and in MongoDB

References

Reference NO 1

http://stackoverflow.com/questions/15202591/nested-and-or-grouped-and-in-mongodb

Reference NO 2

http://docs.mongodb.org/manual/reference/operator

Reference NO 3

http://docs.mongodb.org/manual/aggregation

Reference NO 4

http://docs.mongodb.org/manual/reference/aggregation

Reference NO 5

https://groups.google.com/d/topic/mongodb-user/ExtFYiS0o80

Reference NO 6

http://static.springsource.org/spring-data/mongodb/docs/1.2.x/reference/html/mongo.core.html

Reference NO 7

http://clojuremongodb.info/articles/querying.html

Reference NO 8

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