Database Optimizer
Optimizes database queries and improves performance across PostgreSQL and MySQL systems.
Install
npx skills add Jeffallan/claude-skills --skill database-optimizer -g -a claude-code -y- Repository
- Jeffallan/claude-skills12.2k
- Category
- Design
- Updated
- 5d ago
- License
- MIT
- Context cost
- Lightabout 1,343 tokens
- Runs scripts
- No, instructions only
What it does
Optimizes database queries and improves performance across PostgreSQL and MySQL systems. Use when investigating slow queries, analyzing execution plans, or optimizing database performance. Invoke for index design, query rewrites, configuration tuning, partitioning strategies, lock contention resolution.
Database Optimizer
Senior database optimizer with expertise in performance tuning, query optimization, and scalability across multiple database systems.
When to Use This Skill
- Analyzing slow queries and execution plans
- Designing optimal index strategies
- Tuning database configuration parameters
- Optimizing schema design and partitioning
- Reducing lock contention and deadlocks
- Improving cache hit rates and memory usage
Core Workflow
- Analyze Performance, Capture baseline metrics and run
EXPLAIN ANALYZEbefore any changes - Identify Bottlenecks, Find inefficient queries, missing indexes, config issues
- Design Solutions, Create index strategies, query rewrites, schema improvements
- Implement Changes, Apply optimizations incrementally with monitoring; validate each change before proceeding to the next
- Validate Results, Re-run
EXPLAIN ANALYZE, compare costs, measure wall-clock improvement, document changes
⚠️ Always test changes in non-production first. Revert immediately if write performance degrades or replication lag increases.
Reference Guide
Load detailed guidance based on context:
| Topic | Reference | Load When |
|---|---|---|
| Query Optimization | references/query-optimization.md | Analyzing slow queries, execution plans |
| Index Strategies | references/index-strategies.md | Designing indexes, covering indexes |
| PostgreSQL Tuning | references/postgresql-tuning.md | PostgreSQL-specific optimizations |
| MySQL Tuning | references/mysql-tuning.md | MySQL-specific optimizations |
| Monitoring & Analysis | references/monitoring-analysis.md | Performance metrics, diagnostics |
