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Acid Fundamentals

Category: General  ·  Sub-category: general-misc  ·  Last updated:
Use when reasoning about the four ACID properties of database transactions — Atomicity, Consistency, Isolation, Durability — as foundational concepts beneath any transactional system: what each property formally guarantees, the difference between the property the database claims and the property the application gets (depending on isolation level, replication mode, and configuration), the relationship between ACID and BASE (the alternative model in many NoSQL systems), why 'C' is the most contested letter (database consistency vs application invariants), and the historical record (Härder & Reuter 1983, the Gray-Reuter transaction model, Gray's Turing lecture). Do NOT use for choosing isolation levels for a specific workload (use transaction-isolation), distributed-system CAP tradeoffs (use cap-theorem-tradeoffs), database query design (use query-optimization), or zero-downtime migration mechanics (use database-migration).

What this skill does

Acid Fundamentals 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/acid-fundamentals/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when reasoning about the four ACID properties of database transactions — Atomicity, Consistency, Isolation, Durability — as foundational concepts beneath any transactional system: what each property formally guarantees, the difference between the property the database claims and the property the application gets (depending on isolation level, replication mode, and configuration), the relationship between ACID and BASE (the alternative model in many NoSQL systems), why 'C' is the most contested letter (database consistency vs application invariants), and the historical record (Härder & Reuter 1983, the Gray-Reuter transaction model, Gray's Turing lecture). Do NOT use for choosing isolation levels for a specific workload (use transaction-isolation), distributed-system CAP tradeoffs (use cap-theorem-tradeoffs), database query design (use query-optimization), or zero-downtime migration mechanics (use database-migration).

Who uses this skill

The Acid Fundamentals 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 69,000+ 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/acid-fundamentals
curl -L https://claudskills.com/skills/acid-fundamentals/SKILL.md \
  -o ~/.claude/skills/acid-fundamentals/SKILL.md

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

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

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

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See pricing → Download desktop app

Attribution & license

More General skills

Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all General skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel

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