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Optimize SQL queries and indexes v1.0.0

Use this resource to speed up SQL queries and choose indexes across several engines

New

  • 306 downloads
  • 235 likes
  • 110 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install sql-query-performance-tuning

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 reviews your queries and their execution plans, then spots anti-patterns: SELECT *, functions applied to indexed columns, unnecessary subqueries. It proposes more efficient indexes, joins, pagination and batch operations. The advice applies to MySQL, PostgreSQL, SQL Server and Oracle.

Mostly picked by

Updated November 2, 2026

Card for the “Optimize SQL queries and indexes” skill

Details

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

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What you get

  • SKILL.md: query analysis, index strategy and subqueries
  • SKILL.md: joins, pagination, aggregations and SELECT and WHERE anti-patterns

Good fit for

  • A report query takes several minutes to run
  • Your pagination slows down as the table grows

Not for

    Tags

    • sql
    • index
    • queries
    • performance

    About

    You say

    “This orders query with YEAR(created_at) is slow: rewrite it so it can use an index.”

    Card for the “Optimize SQL queries and indexes” skill

    Skill published by github 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 speed up SQL queries and choose indexes across several engines
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md9 KB

    Origin and licence

    Listed unmodified

    Author
    github
    Source
    github.com/github/awesome-copilot/tree/0fe6545b950671641b2b14b44eb56678fea6c6b4/skills/sql-optimization
    Licence
    MIT

    Notice

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

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