7_Two-Phase Commit Protocol (2PC) in DBMS | Distributed Transactions with Real-Life Example

In this lecture, we discuss the Two-Phase Commit Protocol (2PC) in DBMS, an important protocol used to maintain consistency in distributed transactions. Topics covered: • What is Two-Phase Commit Protocol (2PC)? • Why is 2PC required? • Coordinator and participating databases • Phase 1 – Prepare/Voting Phase • Phase 2 – Commit/Abort Phase • COMMIT and ROLLBACK decisions • How 2PC maintains atomicity and consistency • Real-life examples for easy understanding • Payment and railway ticket-booking scenario This lecture is useful for students studying DBMS, Distributed Databases, Transactions, ACID Properties, and Database Recovery. #DBMS #TwoPhaseCommit #2PC #DatabaseManagementSystem #DistributedDatabase #TransactionManagement #ACIDProperties #DatabaseTransactions