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 ...

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

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 ...

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) ...

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 ...

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 ...