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 ...

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 ...

The MongoDB 4.0 release introduced multi-document transactions to the popular open source NoSQL DB. The lack of a transactional capability has been a key limiting factor in MongoDB uptake, so it’s not ...

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 ...