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.

NoSQL - MongoDB vs CouchDB

I am a complete noob when it comes to the NoSQL movement. I have heard lots about MongoDB and CouchDB. …

mongodb couchdb nosql
What are the differences between a node, a cluster and a datacenter in a cassandra nosql database?

I am trying to duplicate data in a cassandra nosql database for a school project using datastax ops center. From …

cassandra cluster-computing datastax opscenter nosql
Storing time-series data, relational or non?

I am creating a system which polls devices for data on varying metrics such as CPU utilisation, disk utilisation, temperature …

database nosql relational-database time-series non-relational-database
How to Add a Column in DynamoDB

Is there a way to add a new column to existing table in DynamoDB in Amazon's AWS? Google didn't help, …

amazon-web-services nosql amazon-dynamodb
What is an SSTable?

In BigTable/GFS and Cassandra terminology, what is the definition of a SSTable?

computer-science nosql cassandra bigtable gfs
CAP theorem - Availability and Partition Tolerance

While I try to understand the "Availability" (A) and "Partition tolerance" (P) in CAP, I found it difficult to understand …

database nosql consistency availability
MongoDB vs. Cassandra vs. MySQL for real-time advertising platform

I'm working on a real-time advertising platform with a heavy emphasis on performance. I've always developed with MySQL, but I'm …

mongodb database-design cassandra database nosql
When should I use a NoSQL database instead of a relational database? Is it okay to use both on the same site?

What are the advantages of using NoSQL databases? I've read a lot about them lately, but I'm still unsure why …

mongodb couchdb nosql
What is NoSQL, how does it work, and what benefits does it provide?

I've been hearing things about NoSQL and that it may eventually become the replacement for SQL DB storage methods due …

database nosql
Command like SQL LIMIT in HBase

Does HBase have any command that works like SQL LIMIT query? I can do it by setStart and setEnd, but …

nosql hbase