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 ...

What is an RDBMS (relational database management system)? A relational database management system (RDBMS) is a collection of programs and capabilities that enable IT teams and others to create, update ...

When working as an engineer, you will surprisingly often have opportunities to interact with databases. From application ...

In SQL Server 2000, we had a nifty little utility called rebuildm.exe which would rebuild the master database in emergency situations. This utility was removed in SQL Server 2005 and has not been seen ...

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 ...

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 ...

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 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 ...