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Soql Query Optimization

Category: General  ·  Sub-category: general-misc  ·  Last updated:
Use when a SOQL query is running slowly, causing timeouts, or returning UNABLE_TO_LOCK_ROW errors in large data volume orgs. Covers index-aware query writing, selectivity rules, the Query Plan tool, skinny tables, and dynamic field-set queries. Triggers: slow soql query, query timeout, non-selective query, query plan tool, index usage, soql optimization, large object performance. NOT for Apex CPU or heap governor limit issues (use apex-cpu-and-heap-optimization) or for writing basic SOQL (use soql-fundamentals).
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About this skill (catalog notes)

Soql Query Optimization includes pricing or quota commentary; at least one code block. At roughly 2,287 words the SKILL.md is on the longer end of the catalog distribution.

Original author
Pranav Nagrecha
Indexed lastmod
Catalog position
General · general-misc
Indexed related skills
10

How Soql Query Optimization fits the catalog

Soql Query Optimization sits in the General category under the general-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

This skill activates when a SOQL query is slow, timing out, or causing load problems on a large-volume object. It guides practitioners through diagnosing selectivity, reading Query Plan output, requesting custom indexes, and restructuring queries to avoid full-table scans.

What this skill does

Soql Query Optimization is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/soql-query-optimization/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when a SOQL query is running slowly, causing timeouts, or returning UNABLE_TO_LOCK_ROW errors in large data volume orgs. Covers index-aware query writing, selectivity rules, the Query Plan tool, skinny tables, and dynamic field-set queries.

Who uses this skill

The Soql Query Optimization Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 146,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/soql-query-optimization
curl -L https://claudskills.com/skills/soql-query-optimization/SKILL.md \
  -o ~/.claude/skills/soql-query-optimization/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/soql-query-optimization/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/soql-query-optimization/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\soql-query-optimization\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

Frequently asked questions

How do I install the Soql Query Optimization Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/soql-query-optimization/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Soql Query Optimization skill do?
Use when a SOQL query is running slowly, causing timeouts, or returning UNABLE_TO_LOCK_ROW errors in large data volume orgs. Covers index-aware query writing, selectivity rules, the Query Plan tool, skinny tables, and dynamic field-set queries. Triggers: slow soql query, query timeout, non-selective query, query plan tool, index usage, soql optimization, large object performance. NOT for Apex CPU or heap governor limit issues (use apex-cpu-and-heap-optimization) or for writing basic SOQL (use soql-fundamentals).
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Soql Query Optimization skill?
Use Soql Query Optimization when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Soql Query Optimization" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Soql Query Optimization skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Soql Query Optimization is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
Pranav Nagrecha. (2026). Soql Query Optimization [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/soql-query-optimization/
BibTeX
@misc{soql-query-optimization-2026,
  author    = {Pranav Nagrecha},
  title     = {Soql Query Optimization [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/soql-query-optimization/}
}

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Security scan

Grade A · scanned 2026-07-06 — free static scan against the OWASP Agentic Skills Top 10.

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