Distributed Systems Unit 3 Part 2 | Transactions, ACID & Serializability | Complete One Shot

MAKAUT Distributed Systems (PEC-IT601B / PECAIML-601C) – Unit 3 Part 2 Complete One Shot In this lecture, we cover the most important Transaction Management topics from Unit 3 that frequently appear in semester examinations and form the foundation of Concurrency Control and Recovery Protocols. 📚 Topics Covered ✅ What is a Transaction? ✅ Goals of Transaction Management ✅ Characteristics of Transactions ✅ ACID Properties Atomicity Consistency Isolation Durability ✅ Transaction Models & Taxonomy ✅ Concurrent Transactions ✅ Transaction Schedules ✅ Serial vs Non-Serial Schedules ✅ Serializable Schedules ✅ Conflict Serializability ✅ View Serializability ✅ Schedule Correctness Concepts ✅ Real Exam-Oriented Examples 🎯 Perfect For MAKAUT CSE / IT / AIML Students Semester Exam Preparation Last Minute Revision University Viva Preparation Understanding Transaction Management from Scratch 📖 Recommended Prerequisites Before watching this lecture, basic knowledge of: DBMS Transactions Concurrency Control Read & Write Operations will be helpful. 🔥 Exam Focus This unit is among the highest-weightage portions of the MAKAUT Distributed Systems syllabus and is frequently asked in: 1 Mark Questions 5 Mark Theory Questions Long Answer Questions Numerical / Schedule-Based Problems Timestamps: 00:00 Introduction to Transactions 10:36 ACID Properties 13:27 Characteristics of Transactions 16:00 Transaction Models (Flat vs Nested Transactions) 27:35 Isolation Levels & Transaction Anomalies 33:23 Serializability & Schedules 43:36 Conflict Serializability (Precedence Graph Test) 57:14 Two-Phase Locking (2PL) 01:03:43 Multigranularity Locking (Intention Locks) 01:08:30 Review & Conclusion #DistributedSystems #DDBMS #MAKAUT #TransactionManagement #ACIDProperties #Serializability #ConcurrencyControl #DatabaseManagementSystem #SemesterExam #AnmolKansal #CSEAIML #PECIT601B #PECAIML601C #DBMS #DistributedDatabaseSystems