query-expert

Description

Master SQL and database queries across multiple systems. Generate optimized queries, analyze performance, design indexes, and troubleshoot slow queries for PostgreSQL, MySQL, MongoDB, and more.

Install

Add the repository(one-time)

/plugin marketplace add jamesrochabrun/skills

Install the plugin

/plugin install all-skills@skills-marketplace

Tool Access

This skill inherits all available tools. When active, it can use any tool Claude has access to.

Supporting Assets

View in Repository

references/indexing.md

references/nosql_queries.md

references/optimization.md

references/sql_patterns.md

scripts/analyze_performance.sh

scripts/generate_query.sh

scripts/optimize_query.sh

Links

GitHub Stats

1 forks

Similar Skills

payload

11 files

Use when working with Payload CMS projects (payload.config.ts, collections, fields, hooks, access control, Payload API). Use when debugging validation errors, security issues, relationship queries, transactions, or hook behavior.

payload

39.5k

risk-metrics-calculation

Calculate portfolio risk metrics including VaR, CVaR, Sharpe, Sortino, and drawdown analysis. Use when measuring portfolio risk, implementing risk limits, or building risk monitoring systems.

quantitative-trading

23.7k

backtesting-frameworks

Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs. Use when developing trading algorithms, validating strategies, or building backtesting infrastructure.

quantitative-trading

23.7k