I know that it is a bad practice to use skip in order to implement pagination, because when your data gets large skip starts to consume a lot of memory. One way to overcome this trouble is to use natural order by _id field:  //Page 1 db.users.find(...
im  trying to do a findAndModifiy in mongodb with nodejS, This is my code:  var nextBill = function (db, success, log) {     var collection = db.collection('autoincrements');     log.debug('autoIncrementRepository', 'nextBill'...
First of, I'm quite new to mongodb. Here's my question I've not been able to find a solution to.   Let's say I have 3 different collections.   mongos> show collections collectionA collectionB collectionC   I want to create a script...
I have a below collection  [   {     "Array1": [       {         "Array2": [           {             "name": "6666",             "Array3": [               { "_id": 128938120, "nest": "samsun...
Is there any way we can query and get location data using mongodb geospatial query that matches the following criteria?   Getting all locations that are part of intersection between two boxes or in general two polygons.   For example below can we get...
Is it possible to insert in Mongo with condition;  //Pseudo code  Bulk Insert Item :  If Key exists     Skip, don't throw error If key does not exist     Add item   If i do single inserts, it might return an error or insert in the collection, but...
Suppose we have a collection of raw data:  { "person": "David, age 102"} { "person": "Max, age 8" }   and we'd like to transform that collection to:  { "age": 102 } { "age": 8 }   using only mongo(d...
I want to retrieve values inserted on particular date. Is this possible using mongodb "_id" field? as this contains embedded date time. I want to retieve values in mongodb shell not by using any application....
I'm new to MongoDB and Mongoose and I'm trying to use it to save stock ticks for daytrading analysis. So I imagined this Schema:  symbolSchema = Schema({     name:String,     code:String });  quoteSchema = Schema({     date:{type:Date, defaul...
According to the mongodb node driver docs the aggregate function now returns a cursor (from 2.6).  I hoped that I could use this to get a count of items pre limit & skipping but there doesn't seem to be any count function on the created curso...

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