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sqlplan-compare

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Diff two SQL plans to find regression causes.

Data & Analytics#performance#diagnostics#regression#analyze#execution-plan#sqlplan
Authorvanterx
Version1.0.0
Installs0

System Documentation

What problem does it solve?

Compares two SQL Server execution plans for the same query to identify exactly what changed and caused a performance regression.

Core Features & Use Cases

  • Side-by-side plan comparison highlighting differences in join strategies, memory grants, operator topology, spills, and missing indexes.
  • Surface actionable findings with a prioritized fix list for quick remediation.
  • Ideal when a deployment, statistics update, or schema change regresses query performance.

Quick Start

Provide two SQL Plan files (baseline.sqlplan and new.sqlplan) to generate a diagnostic delta report.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: sqlplan-compare
Download link: https://github.com/vanterx/mssql-performance-skills/archive/main.zip#sqlplan-compare

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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