Taking a Look at Database Disk, Memory, and Concurrency Management

Databases dance between block and file-level access. They cleverly use memory like a magician with a hidden pocket, smoothing over sluggish disk interactions. Logs? They’re the secret sauce for slick crash recovery. Concurrency control in the mad circus of transactions? Locks. They're the backstage crew, keeping chaos at bay with serializability—a crucial pillar for any database worth its salt.