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Backend Queries

Refactor database queries to prevent SQL injection and N+1 issues.

Updated Aug 23, 2026
Search Tags:#performance#security#SQL#database#queries#ORM#data access
One-click install
npx skills add https://github.com/frankdevlabs/compilothq --skill backend-queries-frankdevlabs
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Backend Queries
Source: https://github.com/frankdevlabs/compilothq/tree/main/.claude/skills/backend-queries
Command: npx skills add https://github.com/frankdevlabs/compilothq --skill backend-queries-frankdevlabs

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Inefficient or insecure database queries lead to slow application performance, high resource consumption, and critical SQL injection vulnerabilities, impacting user experience and system stability.

Core Features & Use Cases

  • SQL Injection Prevention: Always use parameterized queries or ORM methods to safely handle user input, preventing malicious SQL injection attacks.
  • N+1 Query Avoidance: Optimize queries by using eager loading (e.g., include, populate) or SQL joins to fetch related data in a single query, eliminating performance-degrading N+1 issues.
  • Performance Optimization: Select only the specific columns needed (SELECT id, name, email) instead of fetching all data, and strategically index frequently queried columns for faster execution.

Quick Start

Refactor the getPostsByUserId query to prevent N+1 issues by eager loading user data, and ensure all inputs are parameterized to prevent SQL injection.