This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What are wide column stores? Wide column stores are database management systems ...

The term “NoSQL” is widely acknowledged as an unfortunate and inaccurate tag for the non-relational databases that have emerged in the past five years. The databases that are associated with the NoSQL ...

eWEEK content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More. The buzz around the NoSQL movement in the past year has ...

Because any database that does not support the SQL language is, by definition, a "NoSQL" database, some very different databases coexist under the NoSQL banner. Massively scalable data stores like ...

The days of the single source of truth, one database for the entire enterprise, are over. Now even a relatively simple mobile application demands more than one database. The good news is that we have ...

RDBMSs put a lot of emphasis on keeping data consistent. They require a formal database schema and new data or modifications to existing data are not accepted unless they comply with this schema in ...

Under the banner of big data marches a confusing mass of terminology and acronyms. NoSQL is among them, attracting growing interest from businesses struggling to cope with exploding volumes and new ...

Apache Phoenix is a relatively new open source Java project that provides a JDBC driver and SQL access to Hadoop’s NoSQL database: HBase. It was created as an internal project at Salesforce, open ...

Talking about SQL database, the basic concept is that; it is a Relational database. Yes! SQL database is a relational database. So what exactly is a relational database? A relational database strictly ...