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MongoDB find() operation : Internal working

 
saran harini
Greenhorn
Posts: 19
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I need some clarifications regarding how the find operation in mongoDB will iterate through the documents in db.

The scenario i have :
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I have four documents in my db

List of documents:
1. name=aaaa
2. name=aaaa , age = 23, city = madurai
3. name =bbb, age = 34, city = cbe
4. name = ccc, age =24, city = cbe , state = TN

Suppose if i query the document for [city = cbe] I will get documents 3 & 4 in my resultset..
But I want to know whether the query will touch all the four documents or only the documents with city to find this resultset.. Or how does this work??
 
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