54
votes
22
answers
934
views
Get names of all keys in the collection
I'd like to get the names of all the keys in a MongoDB collection. For example, from this: db.things.in
54
votes
28
answers
997
views
Random record from MongoDB
I am looking to get a random record from a huge collection (100 million records). What is the fastest and most
51
votes
15
answers
1.5K
views
How to remove a field completely from a MongoDB document?
{ name: 'book', tags: { words: ['abc','123'], lat: 33,
59
votes
14
answers
2.5K
views
Retrieve only the queried element in an object array in MongoDB collection
Suppose you have the following documents in my collection: { "_id":ObjectId("562e7c594c12942f08fe4192"),
59
votes
11
answers
2K
views
Update MongoDB field using value of another field
In MongoDB, is it possible to update the value of a field using the value from another field? The equivalent
53
votes
15
answers
1.6K
views
Find objects between two dates MongoDB
I've been playing around storing tweets inside mongodb, each object looks like this: { "_id" : ObjectId(
48
votes
14
answers
3K
views
Query for documents where array size is greater than 1
I have a MongoDB collection with documents in the following format: { "_id" : ObjectId("4e8ae86d08101908e10
49
votes
30
answers
1.3K
views
How to query MongoDB with "like"
I want to query something with SQL's like query: SELECT * FROM users WHERE name LIKE '%m%' Ho
