Concurrency Control in Databases for GATE CS and IT

Are you preparing for the GATE Computer Science and IT exam and looking to master database transaction concepts? Understanding how databases manage simultaneous operations is critical for scoring high in the DBMS section of the exam. This text-based course guides you through the core principles of database concurrency control, helping you transition from basic definitions to analyzing complex transaction schedules. You will build a strong theoretical foundation and learn how to solve exam-style problems systematically. What you'll learn: Understand transaction properties with a deep focus on the isolation property; Analyze conflict and view serializability in database schedules; Master the two-phase locking protocol and its variations; Evaluate lock-based concurrency control and data item granularity; Explore modern concurrency concepts such as multi-version concurrency control; Practice solving standard exam-style theoretical and numerical questions. The course begins with foundational definitions of transactions and ACID properties, then progresses through serializability, locking protocols, and advanced concurrency control mechanisms. You will study clear explanations and step-by-step written walkthroughs of classic exam scenarios. This course is designed for GATE CS and IT aspirants, undergraduate computer science students, and anyone looking to master database internals from scratch. No advanced database experience is required. Start reading today to master database concurrency and boost your exam preparation.