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Advanced SQL: CTEs, window functions and tuning v1.0.0

Use this resource to write and optimize complex SQL queries with CTEs and window functions

New

  • 410 downloads
  • 138 likes
  • 113 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install sql-window-functions-cte

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent writes queries with WITH clauses, recursive CTEs, window functions (ROW_NUMBER, RANK, PARTITION BY), running totals and gap analyses. It reads EXPLAIN plans and suggests optimizations. You get readable queries and an explanation of their cost.

Mostly picked by

Updated November 2, 2026

Card for the “Advanced SQL: CTEs, window functions and tuning” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • quick-ref/cte.md: simple, multiple and materialized CTEs
  • quick-ref/window-functions.md: window functions and running calculations
  • quick-ref/recursive-queries.md and quick-ref/optimization.md: recursive queries and optimization

Good fit for

  • You need a ranking or a rolling total inside a query
  • A query with several subqueries is slow and hard to read

Not for

    Tags

    • sql
    • cte
    • windows
    • optimization

    About

    You say

    “Write a query that gives each customer their revenue rank and a running total month by month.”

    Card for the “Advanced SQL: CTEs, window functions and tuning” skill

    Skill published by claude-dev-suite under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to write and optimize complex SQL queries with CTEs and window functions
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • quick-ref/cte.md6 KB
    • quick-ref/optimization.md7.6 KB
    • quick-ref/recursive-queries.md7.5 KB
    • quick-ref/window-functions.md6.7 KB
    • SKILL.md11.2 KB

    Origin and licence

    Listed unmodified

    Author
    claude-dev-suite
    Source
    github.com/claude-dev-suite/claude-dev-suite/tree/e10ab644ba43abe2abc923399226df4af7337214/skills/databases/sql-advanced
    Licence
    MIT

    Notice

    « sql-advanced » (claude-dev-suite, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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