SQL Check

SQL Checker

Paste your SQL, get performance tips and security warnings. Catches N+1s and injection risks.

Quick Start

npx ai-sql-check "SELECT * FROM users WHERE name LIKE '%john%'"

What It Does

• Identifies performance issues
• Flags SQL injection risks
• Suggests missing indexes
• Warns about N+1 queries

Usage Examples

# Check a query
npx ai-sql-check "SELECT * FROM orders WHERE status = 'pending'"

# Check from file
npx ai-sql-check --file ./queries/report.sql

# With schema for better analysis
npx ai-sql-check --file query.sql --schema ./schema.sql

Issues It Catches

• SELECT * anti-pattern
• Missing WHERE clause
• Unindexed columns in WHERE
• LIKE with leading wildcard
• Cartesian joins
• SQL injection patterns

Output Example

⚠️ Performance Issues:
- SELECT * returns unnecessary columns
- LIKE '%john%' can't use index

🔒 Security Issues:
- None detected

💡 Suggestions:
- Add index on users(name)
- Select only needed columns

Requirements

Node.js 18+. OPENAI_API_KEY required.

License

MIT. Free forever.

Built by LXGIC Studios

• GitHub: github.com/lxgicstudios/ai-sql-check
• Twitter: @lxgicstudios