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

Database systems are the backbone of contemporary data-driven applications, underpinning industries ranging from finance to scientific research. As data volumes surge and complexity increases, robust ...

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 ...

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 ...

Concurrency arises whenever multiple clients, users, or parts of an application read and write the same data at the same time. Transactions make managing concurrency simple for developers. The main ...

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 ...

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 ...

While it’s common to use the Java Transaction API and the XA protocol for distributed transactions in Spring, you do have other options. The optimum implementation depends on the types of resources ...