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 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 ...

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, ...

At Microsoft's Ignite digital event this week, the company is announcing the private preview of SQL Server 2022, the next version of its three-decades-old relational database management system (RDBMS) ...

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 ...

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 ...

This article explains how to repair the MDF file using the native repair methods and how to use a Reliable MDF file Repair ...

The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business websites ...

SQL, or the structured query language, is a specialized programming language designed for working with databases. There are a few different variations of SQL from different organizations and projects, ...