Relational calculus. Query processing and optimization. Transaction processing: failure, recovery, and concurrency. Database security. Logic-based systems. Parallel ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The SQL specification defines four transaction isolation levels, although a fifth transaction ...

Available as a separately licensed option for Oracle Database 11g Enterprise Edition, Advanced Compression is a way of writing data to disk so that it takes up less space Available as a separately ...

Transaction logs are a vital yet often overlooked component of database architecture. They are often forgotten because they are not something actively maintained like the schema contained within a ...

A database start up, NuoDB, reached out to me to talk about a project they were working on to address the need for extremely scalable, web scale, transaction oriented database engines. The ...

Why external consistency is so important for a hard real-time database. Maintaining a transaction timeline. The impact of a transaction-scheduling policy. A real-time database-management system (DMBS) ...

What do you do when you can't avoid huge transaction logs in SharePoint and your files are too large? Last month, I wrote about how to avoid having ginormous transaction logs within SharePoint ...

There isn’t a week that goes by that I don’t hear or read about an organization seeing ginormous transaction log (.ldf) files, while the associated data (.mdf) file is at the size it should be when ...