I am working with an Django application which uses Django 1.8 version. Most of the data we deal with is JSON formatted ones. We are trying to implement any No
I have a records collection with the following indexes: {"_id":1} {"car.make":1,"city":1,"car.mileage":1} And performing the following query: db.records.agg
I have to design a system with this schema. { "documentId" : 123 "documentType" : "paper" "tags" :["abc","xyz"] //other meta data of document } The queries
I am running a crm application which uses mysql database. My application generating lots of data in mysql. Now i want to give my customer a reporting section wh
I am looking into deploying a database management system, replicated across regions (various data centers across a country). I am currently looking into the fol
I have been asked this question in several interviews and I am looking for answers in the terms of how do we choose between MySQL database and NoSQL database fo
Aerospike is a (mostly commercial) distributed key value NoSQL database. SeaweedFS is a (open source) distributed file system that is based on Facebook’s
I've Cassandra configured on Amazon EC2 having 3 nodes(instances) in single cluster. Now what I want to do is give some space on Cassandra to my clients by crea
I am attempting to import a CSV using my mongoose modal and regardless of its size, I am importing the first 2 rows and then every other row. const fs = require
I'm using DynamoDB and I need to update a specific attribute on multiple records. Writing my requirement in pseudo-language I would like to do an update that sa
Background Our application uses Jedis-2.2.1 and connects to Redis-2.6, here's how I get jedis resource : protected static JedisWrapper getRedisUserWrite(Stri