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 ...

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 ...

In the beginning, there were files. Later there were navigational databases based on structured files. Then there were IMS and CODASYL, and around 40 years ago we had some of the first relational ...

Businesses and organizations are increasingly challenged to handle the huge volumes of data, both internally generated and acquired from outside sources, that they need to process, store and analyze ...

The heart of any relational database management system is the system catalog that documents the database objects and system settings being used. The system catalog offers a wealth of information about ...

SQLite is a powerful, embedded relational database management system in a compact C library, developed by D. Richard Hipp. It offers support for a large subset of SQL92, multiple tables and indexes, ...

Major upgrade to the ever-evolving Oracle Database brings JavaScript support, graph optimizations, in-memory enhancements, and dramatic improvements to JSON operations and in-database machine learning ...

AI database RegattaDB combines transactions, analytics, and vector database capabilities to power enterprise AI agents with real-time, unified data.

It’s estimated that 173 zettabytes of digital data were created in 2025—that’s nearly half a zettabyte or about 474 million terabytes every day, according to the DesignRush website. That number is ...