But these terms can contain multiple layers of meaning. To further complicate matters, they are not mutually exclusive. What are SQL and relational database systems? At a high-level SQL, or Structured ...

NoSQL is an approach to database management that can accommodate a wide variety of data models, including document, graph, key-value and columnar formats. The term NoSQL originally could be taken at ...

Structured data stored in relational databases has ruled the world for the last 40 years. Over that time, Structured Query Language (SQL) emerged as the standard for accessing and manipulating data ...

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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 ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

NoSQL is a whole new way of thinking about a database. Though NoSQL is not a relational database, the reality is that a relational database model may not be the best solution for all situations.

Poke around the infrastructure of any startup website or mobile app these days, and you’re bound to find something other than a relational database doing much of the heavy lifting. Take, for example, ...

This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What is an XML database? XML databases use XML to model and query data. XML is a ...

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 ...