lock-advisory

Advisory locks provide application-level coordination without requiring database rows to lock.

Skills
Databases
0

What it does and how to use it

A skill that teaches Claude Code to do databases tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/lock-advisory && curl -fsSL https://doutorai.pt/data/lib/skills__lock-advisory.md -o .claude/skills/lock-advisory/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
title: Use Advisory Locks for Application-Level Locking
impact: MEDIUM
impactDescription: Efficient coordination without row-level lock overhead
tags: advisory-locks, coordination, application-locks
---

## Use Advisory Locks for Application-Level Locking

Advisory locks provide application-level coordination without requiring database rows to lock.

**Incorrect (creating rows just for locking):**

```sql
-- Creating dummy rows to lock on
create table resource_locks (
  resource_name text primary key
);

insert into resource_locks values ('report_generator');

-- Lock by selecting the row


- 🔒 Full content on the Pro plan (€7.99/month) -

Need help with Claude Code?

Ask Dr AI - it explains things simply.

Need a tailor-made solution?

Not sure where to start with AI in your business? Get a free assessment and a tailored plan - no commitment.

Save hours every week with AI, no hassle

Doutor AI gives you 1,859 ready-to-copy AI prompts, by industry and in plain English - plus a complete technical library for those who want to go further.

See plans