ACID transaction implementation
Concurrent data modification handling
Isolation level selection
Deadlock prevention and resolution
Transaction timeout configuration
Distributed transaction coordination
Financial transaction safety

Quick Start

Simple Transaction:

-- Start transaction
BEGIN;

-- Multiple statements
UPDATE accounts SET balance = balance - 100 WHERE id = 1;
UPDATE accounts SET balance = balance + 100 WHERE id = 2;

-- Commit changes
COMMIT;

-- Or rollback
ROLLBACK;

Reference Guides

Detailed implementations in the references/ directory:

Guide	Contents
PostgreSQL Transactions	PostgreSQL Transactions
MySQL Transactions	MySQL Transactions
PostgreSQL Isolation Levels	PostgreSQL Isolation Levels
MySQL Isolation Levels	MySQL Isolation Levels
PostgreSQL Explicit Locking	PostgreSQL Explicit Locking
MySQL Locking	MySQL Locking
Deadlock Prevention	PostgreSQL - Deadlock Detection:

Best Practices

✅ DO

Follow established patterns and conventions
Write clean, maintainable code
Add appropriate documentation
Test thoroughly before deploying

❌ DON'T

Skip testing or validation
Ignore error handling
Hard-code configuration values

transaction-management

Transaction Management

Table of Contents

Overview

When to Use