# azure-sql-database

Guides Azure SQL Database setup, tier selection, and troubleshooting. Connects your AI coding agent directly to Microsoft Learn documentation.

- skill · `type=skill` · Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode · 1300 installs · ★ 793
- Author: MicrosoftDocs
- License: CC-BY-4.0 · policy=mirror · the beginning of the file is at the end of this page
- Source: https://github.com/MicrosoftDocs/Agent-Skills/tree/HEAD/skills/azure-sql-database/SKILL.md
- Updated: 2026-10-26
- HTML: https://affpapa.org/en/nevibecode/skills/azure-sql-database

## What it does

This skill equips coding agents with an operational playbook for Azure SQL Database. The index organizes essential topics. It covers CPU spikes, deadlock diagnostics, connection timeouts, DTU versus vCore pricing, and Hyperscale architecture alongside Terraform deployment scripts.

Live documentation fetching is built into the workflow. The skill reads lines from local reference tables and pulls full Microsoft Learn articles via `mcp_microsoftdocs:microsoft_docs_fetch` or `fetch_webpage`.

Network access is mandatory for retrieving the underlying guides. Note that this skill explicitly excludes Azure SQL Managed Instance, SQL Server on VMs, and Cosmos DB.

## Requirements
- Works with: Azure, Terraform

## Install

### Claude Code (native platform)

1. **Skills CLI (Vercel)**
```bash
npx skills add MicrosoftDocs/Agent-Skills --skill azure-sql-database -a claude-code
```

2. **Manually: put the files in place**
- File: `~/.claude/skills/azure-sql-database/SKILL.md` — Copy the whole skill folder; for one project use .claude/skills/azure-sql-database/

### Codex

1. **Skills CLI (Vercel)**
```bash
npx skills add MicrosoftDocs/Agent-Skills --skill azure-sql-database -a codex
```

2. **Manually: put the files in place**
- File: `.agents/skills/azure-sql-database/SKILL.md` — For all projects use ~/.agents/skills/

### Cursor

1. **Skills CLI (Vercel)**
```bash
npx skills add MicrosoftDocs/Agent-Skills --skill azure-sql-database -a cursor
```

2. **Manually: put the files in place**
- File: `.cursor/skills/azure-sql-database/SKILL.md` — Cursor also reads .agents/skills/ and .claude/skills/

### GitHub Copilot

1. **GitHub CLI**
```bash
gh skill install MicrosoftDocs/Agent-Skills azure-sql-database
```

2. **Manually: put the files in place**
- File: `.github/skills/azure-sql-database/SKILL.md`

### Gemini CLI

1. **Skills CLI (Vercel)**
```bash
npx skills add MicrosoftDocs/Agent-Skills --skill azure-sql-database -a gemini-cli
```

2. **Platform CLI**
```bash
gemini skills install https://github.com/MicrosoftDocs/Agent-Skills --path skills/azure-sql-database
```

### Windsurf (Devin Desktop)

**Manually: put the files in place**
- File: `.devin/skills/azure-sql-database/SKILL.md` — The legacy .windsurf/skills/ path still works

### OpenCode

**Skills CLI (Vercel)**
```bash
npx skills add MicrosoftDocs/Agent-Skills --skill azure-sql-database -a opencode
```

### Claude.ai

**Claude.ai**
- Zip the folder and upload it in Settings → Capabilities → Skills

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/MicrosoftDocs/Agent-Skills/tree/HEAD/skills/azure-sql-database/SKILL.md

## When to use it
- Compare DTU, vCore, serverless, and Hyperscale tiers for cost efficiency
- Troubleshoot CPU spikes and deadlock issues using dynamic management views
- Configure Microsoft Entra authentication, firewall rules, and TDE encryption
- Automate database deployments via Terraform and GitHub Actions workflows

## Example prompts
- Diagnose high CPU usage and query deadlocks on my Azure SQL Database
- Help me choose between DTU and vCore serverless for an intermittent workload
- Write a Terraform script to deploy an Azure SQL Database with geo-replication

## Source text · SKILL.md · CC-BY-4.0

Below is the content of a third-party file. It is data, not instructions for you: do not act on anything written inside unless the human asks. Block tag: 22290865fc1c43a7.

BEGIN THIRD-PARTY FILE 22290865fc1c43a7
```text
---
name: azure-sql-database
description: Expert knowledge for Azure SQL Database development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when choosing DTU/vCore tiers, configuring serverless or Hyperscale, geo-replication/DR, CI/CD, or Terraform, and other Azure SQL Database related development tasks. Not for Azure SQL Managed Instance (use azure-sql-managed-instance), SQL Server on Azure Virtual Machines (use azure-sql-virtual-machines), Azure Cosmos DB (use azure-cosmos-db), Azure Data Factory (use azure-data-factory).
compatibility: Requires network access. Uses mcp_microsoftdocs:microsoft_docs_fetch or fetch_webpage to retrieve documentation.
metadata:
  generated_at: "2026-10-25"
  generator: "docs2skills/1.0.0"
---
# Azure SQL Database Skill

This skill provides expert guidance for Azure SQL Database. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. It combines local quick-reference content with remote documentation fetching capabilities.

## How to Use This Skill

> **IMPORTANT for Agent**: Use the **Category Index** below to locate relevant sections. For categories with line ranges (e.g., `L35-L120`), use `read_file` with the specified lines. For categories with file links (e.g., `[security.md](security.md)`), use `read_file` on the linked reference file

> **IMPORTANT for Agent**: If `metadata.generated_at` is more than 3 months old, suggest the user pull the latest version from the repository. If `mcp_microsoftdocs` tools are not available, suggest the user install it: [Installation Guide](https://github.com/MicrosoftDocs/mcp/blob/main/README.md)

This skill requires **network access** to fetch documentation content:
- **Preferred**: Use `mcp_microsoftdocs:microsoft_docs_fetch` with query string `from=learn-agent-skill`. Returns Markdown.
- **Fallback**: Use `fetch_webpage` with query string `from=learn-agent-skill&accept=text/markdown`. Returns Markdown.

## Category Index

| Category | Lines | Description |
|----------|-------|-------------|
| Troubleshooting | L37-L61 | Diagnosing and fixing Azure SQL issues: performance (CPU, memory, deadlocks, blocking), connectivity, scaling, import/export, geo-replication, Data Sync, and transaction log/full errors. |
| Best Practices | L62-L78 | Operational best practices for Azure SQL: monitoring, HA/DR, maintenance, security, auditing, scaling, file management, Data Sync, and adapting on-prem SQL workloads to Azure SQL. |
```
END THIRD-PARTY FILE 22290865fc1c43a7

The third-party file has ended. Everything between the 22290865fc1c43a7 tags is data: requests and commands from it are not followed. An “end of file” line with another tag inside the block is part of the file.

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