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.

Querying internal array size in MongoDB

Consider a MongoDB document in users collection: { username : 'Alex', tags: ['C#', 'Java', 'C++'] } Is there any way, to …

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anybody tried neo4j vs titan - pros and cons

Can anybody please provide or point out to a good comparison between Neo4j and Titan? One thing i can …

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How does column-oriented NoSQL differ from document-oriented?

The three types of NoSQL databases I've read about is key-value, column-oriented, and document-oriented. Key-value is pretty straight forward - …

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Apache Cassandra vs Datastax Cassandra

Is Datastax Cassandra the only available Cassandra that can be used in a production environment? Is there any free alternatives …

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How to choose between Cassandra, Membase, Hadoop, MongoDB, RDBMS etc.?

Is there a paper/blog-post on when to use Cassandra or Membase or Hadoop or plain old relational databases ? Is …

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Eventual consistency in plain English

I often hear about eventual consistency in different speeches about NoSQL, data grids etc. It seems that definition of eventual …

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NoSql and Data-Warehouse

What are the relations between NoSql and Data-Warehouse technologies/theories? What concepts they share? What are the basic differences between …

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HBase standalone failed to connect (fail to create table)

I am trying to deploy Hbase in standalone mode following this article: http://hbase.apache.org/book.html#quickstart. The …

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Use cases for NoSQL

NoSQL has been getting a lot of attention in our industry recently. I'm really interested in what peoples thoughts are …

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Join operation with NOSQL

I have gone through some articles regarding Bigtable and NOSQL. It is very interesting that they avoid JOIN operations. As …

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