The "data" part of the terms "data lake," "data warehouse," and "database" is easy enough to understand. Data are everywhere, and the bits need to be kept somewhere. But should they be stored in a ...

An open source database is just a regular database that’s distributed with its source code. Users can read, revise, and extend the software freely, although few use these opportunities. The most ...

A fundamental skill for DBAs is to have a firm understanding of the SQL Server database engine's system databases. Tim Chapman discusses these system databases. A fundamental skill for DBAs is to have ...

The lingua franca of databases, Structured Query Language is ubiquitous, powerful, and important for developers to understand. Start with these tips. Since Structured Query Language was invented in ...

First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data work ...

Database performance impacts application tiers and user experience, as well as cloud costs. Yet, understanding database issues is challenging. Whether it's MySQL, PostgreSQL, or cloud databases like ...

SQL Server has a long list of roles for server, database, and applications that outline things like permissions, data selection and modification, and disk management. Examine how roles play a part in ...

The information below serves as a brief primer to help you better understand the database terms you’ll most often encounter. Relational Databases. Relational databases became the database of choice ...

MongoDB is still the most popular NoSQL document database for developers, but compatible alternatives such as DocumentDB offer more choices than ever. At Open Source Summit Europe in August, the Linux ...