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Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries, designing database schemas, or optimizing application performance.

World-class data science skill for statistical modeling, experimentation, causal inference, and advanced analytics. Expertise in Python (NumPy, Pandas, Scikit-learn), R, SQL, statistical methods, A/B testing, time series, and business intelligence. Includes experiment design, feature engineering, model evaluation, and stakeholder communication. Use when designing experiments, building predictive m

Design optimized database schemas for SQL and NoSQL databases including tables, relationships, indexes, and constraints. Creates ERD diagrams, migration scripts, and data modeling best practices. Use when users need database design, schema optimization, or data architecture planning.

Instructions on how to write database queries with SQLAlchemy.

Pre-landing PR review. Analyzes diff against the base branch for SQL safety, LLM trust boundary violations, conditional side effects, and other structural issues. Use when asked to "review this PR", "code review", "pre-landing review", or "check my diff". Proactively suggest when the user is about to merge or land code changes. (gstack)

Um sistema de memória em camadas para AI Runtime que suporta consultas de eventos estilo SQL, gerenciamento de linha do tempo, e solidificação e recuperação inteligente de memórias, usado para rastreamento do histórico de projetos e herança de experiência.

Conecte-se ao Azure Database for PostgreSQL Flexible Server a partir de Node.js/TypeScript usando o pacote pg (node-postgres). Utilize para consultas PostgreSQL, pool de conexões, transações e autenticação Microsoft Entra ID (sem senha).

SDK do Azure Cosmos DB para Python (API NoSQL). Use para operações CRUD de documentos, consultas, contêineres e dados distribuídos globalmente.

SQLAlchemy and database patterns for Python. Triggers on: sqlalchemy, database, orm, migration, alembic, async database, connection pool, repository pattern, unit of work.

Investigação forense e interrogação de sistemas baseadas em SQL usando osquery para consultar sistemas operacionais como bancos de dados relacionais. Permite a coleta rápida de evidências, caça a ameaças e resposta a incidentes em endpoints Linux, macOS e Windows.

Converte payloads JSON ou jsonb do PostgreSQL em contexto compacto e legível para LLMs. Útil para compactar JSON, reduzir tokens, resumir APIs ou converter dados estruturados em texto amigável para modelos, sem expor caminhos brutos.

Write, optimize, and debug T-SQL queries for Microsoft SQL Server. Covers CTEs, window functions, PIVOT, MERGE, APPLY operators, execution plan analysis, indexing strategies, and stored procedures. Use when working with SQL Server, T-SQL scripts, .sql files, stored procedures, query optimization, or database performance tuning.