# Query Store Regression Analysis

> Analyze Query Store and plan-cache runtime evidence for SQL plan regressions and release-gate decisions.

- Skill: `rweisssieker-xp/query-store-regression-analysis` (Agent Skill)
- Install (CLI): `npx skillmds@latest add rweisssieker-xp/query-store-regression-analysis`
- Raw SKILL.md: https://api.skillmd.com/api/skills/rweisssieker-xp/query-store-regression-analysis/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- Author: rweisssieker-xp (https://skillmd.com/u/rweisssieker-xp)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/rweisssieker-xp/query-store-regression-analysis

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# Query Store Regression Analysis

Use this skill for Query Store, deployment regression, and release gates.

## Workflow

1. Run `watch_plan_regressions.py`.
2. Run `release_gate.py` for before/after evidence.
3. Review plan IDs, duration deltas, reads, CPU, and affected AX tables.
4. Recommend pass/fail, observe, or rollback review.