The non-relational database explosion of the late 2000s was motivated by several disenchantments with the—until then—dominant relational database model. A key concern for many involved the overly ...

SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale. One of the most fundamental choices to make when developing an ...

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, ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The SQL specification defines four transaction isolation levels, although a fifth transaction ...

Relational SQL databases, which have been around since the 1980s, historically ran on mainframes or single servers—that’s all we had. If you wanted the database to handle more data and run faster, you ...

Data estates are expansive. Organizations in all business verticals are operating data stacks that run on a mixture of legacy technologies that work effectively but aren’t always easy to move or ...

The next version of Microsoft’s relational database management system (RDMS) promises to bring immense performance gains to online transactional processing systems. SQL Server 2014 will come with a ...

Oracle is keeping quiet about allegations that its ubiquitous database has at least 30 security vulnerabilities that could allow hackers to compromise the confidentiality of virtually all financial ...