Details
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Improvement
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Resolution: Incomplete
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Major - P3
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None
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None
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*Location*: http://docs.mongodb.org/manual/reference/method/db.collection.aggregate/
*User-Agent*: Mozilla/5.0 (Windows NT 6.3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36
*Referrer*: https://www.google.co.in/
*Screen Resolution*: 1366 x 768
*repo*: docs
*source*: reference/method/db.collection.aggregate
*Location*: http://docs.mongodb.org/manual/reference/method/db.collection.aggregate/ *User-Agent*: Mozilla/5.0 (Windows NT 6.3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36 *Referrer*: https://www.google.co.in/ *Screen Resolution*: 1366 x 768 *repo*: docs *source*: reference/method/db.collection.aggregate
Description
I want to unset the fields but they are in some document but not in all document. Therefore their some unique keys such as _id, phone no, name that I don't want to unset. so please suggest me about this problem because
I want to delete the phone book extra fields. remaining the parament fileds as it is.