The mongo shell is an interactive JavaScript shell for MongoDB, and is part of all MongoDB distributions. This section provides an introduction to the shell, and outlines key functions, operations, and use of the mongo shell.
Most examples in the MongoDB Manual use the mongo shell; however, many drivers provide similar interfaces to MongoDB.
I am going through a course on MongoDB. Below is my list of documents in a collection called 'flightData'. Below is result of find query:
flights> db.flightData.find()
[
{
_id: ObjectId("611aaa1c4a0269583c8d81b0"),
aircraft: 'AirBus…
I'm relatively new to MongoDB and I've not been able to find a solution for what I'm looking for.
I would like to iterate over all mongo databases and run some command on each collection of each database. I can run the following command to get all…
I just play with mongo shell and came across with Cannot use commands write mode, degrading to compatibility mode.
I connected to remote mongo server (mongolab) and tried to insert new record to collection by my simple script:
// script.js
db =…
I have a really complicated issue that i think i can solve by writing a mongo shell script but i can't even manage to make a simple connection. I have a local mongo database which is requires a username/password that i normally access like…
I've checked other similar posts but none worked for my case.
I upgraded my mongo shell right before connecting to MongoDB Atlas, from which I created a free sandbox database. I used this following for my connection, which was given by atlas.
mongo…
I need to construct the following query using MongoDB C# driver
db.Notes.find({ "Group._id" : 74, "CustomFields" : { "$elemMatch" : { "Value" : /batch/i } }, "IsDeleted" : false }).sort({ "CreatedDateTimeUtc" : -1 })
I used a query like this…
Well, I am new to mongo and today morning I had a (bad) idea. I was playing around with indexes from the shell and decided to create a large collection with many documents (100 million). So I executed the following command:
for (i = 1; i <= 100;…
Using the mongodb shell, I'm trying to add a new property to each document in a large collection. The collection (Listing) has an existing property called Address. I'm simply trying to add a new property called LowerCaseAddress which can be used for…
I am trying to work with mongo shell and I am having challenges in storing the value inside of mongo shell
when I find a user in the document users, i store it in the variable doc
> var doc = db.users.find({"username":"anil"});
When I type doc in…
When doing a research in mongo shell I often write quite complex queries and want the result to be stored in other collection. I know the way to do it with .forEach():
db.documents.find(query).forEach(function(d){db.results.insert(d)})
But it's kind…
I am new to MongoDB so I am not sure if I have phrased my question correctly.
I have a collection in which data looks like this:
{
"_id" : ObjectId("66666"),
"Id" : 994,
"PostType" : 1,
"AnswerId" : 334,
"CreationDate" :…
How can i use a for loop in the mongo db shell?
My attemps are stucking at this point:
for (var i = 0; i <= 6; i=i+0.12){
var n = i + 0.12;
db.test.aggregate(
{ $sort: {'deviation': -1}},
{ $unwind: '$foo' },
{ $match: { 'foo.km': {$gt:…
