Database Transactions Skill
Overview
Understand and implement database transactions with ACID properties and proper concurrency control.
Topics Covered
ACID Properties
- Atomicity
- Consistency
- Isolation
- Durability
- Trade-offs
Isolation Levels
- Read uncommitted
- Read committed
- Repeatable read
- Serializable
- Snapshot isolation
Concurrency
- Locking mechanisms
- Deadlock handling
- Optimistic locking
- MVCC concepts
- Lock monitoring
Transaction Patterns
- Savepoints
- Nested transactions
- Distributed transactions
- Two-phase commit
- Saga pattern
Prerequisites
- SQL fundamentals
- Database concepts
Learning Outcomes
- Implement ACID transactions
- Choose isolation levels
- Handle deadlocks
- Design concurrent systems