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 ...

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 ...

If there was just one aspect of relational databases that led to the explosion of non-relational alternatives over the last 10 years, it was the ACID transaction model. ACID transactions were ...

After doing some consulting for Microsoft to develop protections against zero-day exploits, software engineer Joran Dirk Greef worked with Coil, a web monetization startup in San Francisco, to help ...

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) ...

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 ...

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 ...