SKILL.md
Transaction Management
Table of Contents
- [Overview](#overview)
- [When to Use](#when-to-use)
- [Quick Start](#quick-start)
- [Reference Guides](#reference-guides)
- [Best Practices](#best-practices)
Overview
Implement robust transaction management with ACID compliance, concurrency control, and error handling. Covers isolation levels, locking strategies, and deadlock resolution.
When to Use
- 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
MySQL Transactions
PostgreSQL Isolation Levels
MySQL Isolation Levels
PostgreSQL Explicit Locking
MySQL Locking
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