SQL

Automatically applies when optimizing database queries. Ensures EXPLAIN analysis, proper indexing, N+1 prevention, query performance monitoring, and efficient SQL patterns.

Database schema design including normalization, denormalization, indexes, migrations, foreign keys, constraints, and query optimization. Covers PostgreSQL, MySQL, and general SQL patterns. Use when designing database schemas, optimizing queries, setting up migrations, or debugging performance issues.

Use when Codex needs to query Supabase Postgres, manage auth, or trigger Edge Functions via the Supabase MCP server.

提供v3_e-report数据库的SQL查询模板，包括数据分析告警配置等表的查询。查询分析告警配置时使用。使用 exec_sql 工具执行查询。

Complete knowledge domain for Cloudflare D1 - serverless SQLite database on Cloudflare's edge network.Use when: creating D1 databases, writing SQL migrations, configuring D1 bindings, querying D1 from Workers,handling SQLite data, building relational data models, or encountering "D1_ERROR", "statement too long","too many requests queued", migration failures, or query performance issues.Keywords: d1, d1 database, cloudflare d1, wrangler d1, d1 migrations, d1 bindings, sqlite workers,serverless database, edge database, d1 queries, sql cloudflare, prepared statements, batch queries,d1 api, wrangler migrations, D1_ERROR, D1_EXEC_ERROR, statement too long, database bindings,sqlite cloudflare, sql workers api, d1 indexes, query optimization, d1 schema

Firestore 데이터 모델링과 스키마 설계 패턴을 적용합니다. 새 컬렉션 추가, 관계 설계, 인덱스 최적화, 데이터 마이그레이션 시 사용하세요. NoSQL 특성에 맞는 비정규화 전략을 포함합니다.

SQLite veritabani yapisi ve CRUD pattern referansi. Use when working with database operations, queries, or understanding the data model.

PostgreSQL 16 database documentation. Use for SQL queries, indexes, transactions, JSON operations, full-text search, and performance tuning.

Expert in Microsoft SQL Server development and administration. Use when writing T-SQL queries, optimizing database performance, designing schemas, configuring SQL Server, or integrating SQL Server with Node.js using mssql package.

Ultimate 25+ years expert-level backend skill covering FastAPI, Express, Node.js, Next.js with TypeScript. Includes ALL databases (PostgreSQL, MongoDB, Redis, Elasticsearch), ALL features (REST, GraphQL, WebSockets, gRPC, Message Queues), comprehensive security hardening (XSS, CSRF, SQL injection, authentication, authorization, rate limiting), complete performance optimization (caching, database tuning, load balancing), ALL deployment strategies (Docker, Kubernetes, CI/CD), advanced patterns (microservices, event-driven, saga, CQRS), ALL use cases (e-commerce, SaaS, real-time, high-traffic), complete testing (unit, integration, E2E, load, security). Route protection, middleware, authentication implementation in PERFECTION. Use for ANY backend system requiring enterprise-grade security, performance, scalability, and architectural excellence.

Comprehensive backend development skill for building scalable backend systems using NodeJS, Express, Go, Python, Postgres, GraphQL, REST APIs. Includes API scaffolding, database optimization, security implementation, and performance tuning. Use when designing APIs, optimizing database queries, implementing business logic, handling authentication/authorization, or reviewing backend code.

Comprehensive software architecture skill for designing scalable, maintainable systems using ReactJS, NextJS, NodeJS, Express, React Native, Swift, Kotlin, Flutter, Postgres, GraphQL, Go, Python. Includes architecture diagram generation, system design patterns, tech stack decision frameworks, and dependency analysis. Use when designing system architecture, making technical decisions, creating architecture diagrams, evaluating trade-offs, or defining integration patterns.

Use this skill to read ChatTwo chat logs as a debug console. Covers querying the SQLite database, finding script runs, and extracting debug evidence for bug analysis.

Automate local development environment setup for multi-service applications. Use when developers need to quickly set up or configure local dev environments with frontend (React/TypeScript/Tailwind), backend (Node/TypeScript), PostgreSQL, Redis, and Kubernetes orchestration. Handles single-command setup, teardown, configuration management, health checks, and docker-compose/k8s deployment workflows.

Test Nuxt 3 / Nitro API handlers with real PostgreSQL, transaction rollback isolation, and typed factories. No mocks, real SQL.

Design a PostgreSQL-specific schema. Covers best-practices, data types, indexing, constraints, performance patterns, and advanced features

Implement secure, consistent input validation on both client and server sides. Use this skill when validating form inputs, API request bodies, or user-provided data. When sanitizing input to prevent injection attacks (SQL, XSS, command injection). When writing allowlist-based validation, type checking, or business rule validation. When providing field-specific error messages to users.

Discover and introspect SQL Server database schemas dynamically. Use this skill when you need to understand table structures, column types, primary/foreign key relationships, or when adding new entities to the extraction pipeline.

Type-safe SQL ORM for TypeScript with zero runtime overhead. Use when building database layers requiring compile-time safety, minimal bundle size, or superior performance over Prisma. Supports PostgreSQL, MySQL, SQLite with native SQL generation, relational queries, and migration management via Drizzle Kit.

Monitor active Teradata sessions using real-time resources, view SQL execution details, identify blocking issues, and optionally take control actions