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.

Different database systems use slightly different variations of SQL, but programmers familiar with one can usually learn to use another in a reasonable amount of time. Databases using a command ...

A database is an organized collection of structured, semi-structured or unstructured data that makes the process of managing, accessing, retrieving and updating data simple. A database helps store and ...

The landscape for database management systems is changing more rapidly these days than it has since the earliest days of the relational DBMS. Not only do we have an onslaught of NoSQL database systems ...

Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...

Technology Editor Bill Wong examines the differences between SQL, NoSQL, and NewSQL databases.

PostgreSQL implementation of document-oriented NoSQL datastore adopted under permissive MIT license The Linux Foundation on ...

To SQL or NoSQL? That’s the database question But as technological lines blur, there's not always a clear-cut answer.

Part 2 of CRN’s Big Data 100 takes a look at the vendors solution providers should know in the database system space including Cockroach Labs, MongoDB, MariaDB and Redis Labs.

Part 4 of CRN’s Big Data 100 includes a look at the vendors solution providers should know in the big data database system space.