Top "Nosql" questions

NoSQL (sometimes expanded to "not only SQL") is a broad class of database management systems that differ from the classic model of the relational database management system (RDBMS) in some significant ways.

Update field in exact element array in MongoDB

I have a document structured like this: { _id:"43434", heroes : [ { nickname : "test", items : ["", "", ""] }, { nickname : "test2", items : ["", "", ""] }, ] } Can I $set the second …

mongodb mongodb-query nosql
MongoDB normalization, foreign key and joining

Before I dive really deep into MongoDB for days, I thought I'd ask a pretty basic question as to whether …

mongodb foreign-keys normalization database nosql
Pros/cons of document-based databases vs. relational databases

I've been trying to see if I can accomplish some requirements with a document based database, in this case CouchDB. …

database nosql couchdb relational-database document-database
Practical example for each type of database (real cases)

There are several types of database for different purposes, however normally MySQL is used to everything, because is the most …

database nosql relational-database
What's the difference between insert(), insertOne(), and insertMany() method?

What's the difference between insert(), insertOne(), and insertMany() methods on MongoDB. In what situation should I use each one? I …

mongodb nosql
How to create and insert a JSON object using MySQL queries?

I'm trying to create a JSON object and then read the values from it into MySQL table. But I'm facing …

mysql json nosql sql-update sql-insert
How to sum the value of a key across all documents in a MongoDB collection

I have collection in MongoDB: { "_id" : ObjectId("4d2407265ff08824e3000001"), "subida" : 3.95 } { "_id" : ObjectId("4d2551b4ae9fa739640df821"), "subida" : 6.03 } { "_id" : …

mongodb nosql
PHP-friendly NoSQL solutions

I'm looking to use a NoSQL solution for my next project, which will be written in PHP. What choices do …

php nosql pecl
How to get all rows in Azure table Storage in C#?

I am trying to get a list of all entities inside an azure table. Any idea of how I would …

c# azure nosql azure-table-storage azure-tablequery
NoSQL for mobile apps?

Is there any established noSQL database solution to be used for developing native mobile applications (Android and/or iOs)?

android ios mobile nosql