monitor-explain-analyze

EXPLAIN ANALYZE executes the query and shows actual timings, revealing the true performance bottlenecks.

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/monitor-explain-analyze && curl -fsSL https://doutorai.pt/data/lib/skills__monitor-explain-analyze.md -o .claude/skills/monitor-explain-analyze/SKILL.md

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

Content

---
title: Use EXPLAIN ANALYZE to Diagnose Slow Queries
impact: LOW-MEDIUM
impactDescription: Identify exact bottlenecks in query execution
tags: explain, analyze, diagnostics, query-plan
---

## Use EXPLAIN ANALYZE to Diagnose Slow Queries

EXPLAIN ANALYZE executes the query and shows actual timings, revealing the true performance bottlenecks.

**Incorrect (guessing at performance issues):**

```sql
-- Query is slow, but why?
select * from orders where customer_id = 123 and status = 'pending';
-- "It must be missing an index" - but which one?
```

**Correct (use EXPLAIN ANALYZE):**

```sql
ex

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