sql-queries

Generate dialect-specific SQL queries for PostgreSQL, Snowflake, BigQuery, Redshift, and Databricks.

Updated Apr 8, 2026
One-click install
npx skills add https://github.com/aimentor606/aether --skill sql-queries-aimentor606
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: sql-queries
Source: https://github.com/aimentor606/aether/tree/main/core/kortix-master/opencode/skills/GENERAL-KNOWLEDGE-WORKER/sql-queries
Command: npx skills add https://github.com/aimentor606/aether --skill sql-queries-aimentor606

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides clear, dialect-aware guidance so analysts and engineers can write correct, readable, and high-performance SQL without repeatedly looking up syntax differences or performance patterns across warehouses.

Core Features & Use Cases

  • Dialect mappings: Practical examples for PostgreSQL, Snowflake, BigQuery, Redshift, and Databricks covering date/time, string, JSON/array, and semi-structured data access.
  • Common patterns: Window functions, CTE-driven workflows, cohort and funnel analyses, deduplication, and merge/upsert examples.
  • Performance and debugging: Actionable tips for profiling queries, partitioning/clustering, indexing strategies, and common error resolutions.
  • Use Case: Convert a business metric definition (e.g., monthly active users by cohort) into an optimized, dialect-specific query suitable for your warehouse.

Quick Start

Translate the reporting requirement "monthly active users by plan for the last 12 months" into a single optimized SQL query for the target warehouse.

Frequently Asked Questions about sql-queries

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I write optimized SQL queries for BigQuery or Snowflake?

Optimized SQL queries for BigQuery or Snowflake require dialect-specific syntax handling, window functions, and performance patterns like partitioning, clustering, and index-aware recommendations to ensure high performance.

What is the best way to convert business metrics into data warehouse SQL?

Converting business metrics into data warehouse SQL involves translating reporting requirements into CTE-driven workflows, cohort and funnel analyses, and deduplication patterns tailored to your specific warehouse dialect.

Does this approach support PostgreSQL and Redshift for ETL transformations?

Yes, this approach supports PostgreSQL and Redshift for ETL transformations, providing practical dialect mappings for date/time, string, JSON/array, and semi-structured data access across major warehouses.

How do window functions and CTE patterns differ across PostgreSQL, Databricks, and Redshift?

Window functions and CTE patterns differ across PostgreSQL, Databricks, and Redshift in syntax and execution, requiring dialect-aware guidance to ensure correct and readable SQL for analytics and reporting tasks.

Why does my SQL query performance drop when handling JSON or array data in Snowflake?

SQL query performance drops when handling JSON or array data in Snowflake due to inefficient semi-structured data access, requiring actionable profiling tips and dialect-specific optimizations to resolve.

Can I use these SQL patterns for ad-hoc analysis across multiple data warehouse platforms?

Yes, you can use these SQL patterns for ad-hoc analysis across multiple data warehouse platforms, as they provide clear, dialect-aware mappings to ensure correct and performant queries without repeated syntax lookups.