MongoDB is a scalable, high-performance, open source, document-oriented NoSQL database.
I am evaluating what might be the best migration option. Currently, I am on a sharded MySQL (horizontal partition), with …
mongodb database-design cassandra databaseHow can I (in MongoDB) combine data from multiple collections into one collection? Can I use map-reduce and if so …
mongodb mongodb-query aggregation-frameworkI have tried to puzzle out an answer to this question for many months while learning pandas. I use SAS …
python mongodb pandas hdf5 large-dataFollowing is my user schema in user.js model - var userSchema = new mongoose.Schema({ local: { name: { type: String }, email : { …
node.js mongodb mongooseWhat I want is not a comparison between Redis and MongoDB. I know they are different; the performance and the …
architecture mongodb nosql redisHow can I store images in a MongoDB database rather than just text? Can I create an array of images …
mongodb databaseI find no doc for the sort modifier. The only insight is in the unit tests: spec.lib.query.js#…
node.js mongodb mongooseBelow is my code var mongoose = require('mongoose'); mongoose.connect('mongodb://localhost/test'); var Cat = mongoose.model('Cat', { name: String, …
node.js mongodb mongooseI want to export all collections in MongoDB by the command: mongoexport -d dbname -o Mongo.json The result is: …
mongodb export