lab_code: "demo_405a"
title_en: "Short Demo: Online Schema Change"
title_ja: "クイックデモ: オンラインスキーマ変更"
title_zh: "快速演示: 在线修改表结构"
title_ko: "빠른 데모: 온라인 스키마 변경"
description_en: "In this 5 minutes hands-on lab, you will learn how to perform online schema changes in TiDB Cloud using Online DDL statements without stopping the application. "
description_ja: "この 5 分間の演習では、オンライン DDL ステートメントを使用してアプリケーションを停止せずに TiDB Cloud でオンラインスキーマ変更を実行する方法を学びます。"
description_zh: "在本实验中，您将学习如何：使用在线 DDL 语句在 TiDB Cloud 中执行在线表结构变更，而无需停止应用程序。"
description_ko: "이 5분 동안의 실습에서는 온라인 DDL 문을 사용하여 애플리케이션을 중지하지 않고 TiDB Cloud에서 온라인 스키마 변경을 수행하는 방법을 배웁니다."
splash_image_en: https://lab-static.pingcap.com/quick-demo/demo_201_en.png
splash_image_ja: https://lab-static.pingcap.com/quick-demo/demo_201_en.png
splash_image_zh: https://lab-static.pingcap.com/quick-demo/demo_201_en.png
splash_image_ko: https://lab-static.pingcap.com/quick-demo/demo_201_en.png
lab_level: Intermediate
category_en:
  - Short Demo
  - TiDB Cloud
category_zh:
  - 快速演示
  - TiDB Cloud
category_ja:
  - 短時デモ
  - TiDB Cloud
authors:
  - "Todd Bao (CEG)"
  - "Cheese Wong (CEG)"
delivery_type: Self-Paced
tidb_environments:
  - TiDB Cloud Starter
target_audience:
  - DevOps
  - Developer
regions:
  aws:
    - oregon
    - tokyo
    - singapore
    - frankfurt
credits: 1
credit_redeemable: false
employee_only: true
estimated_duration_minutes: 30

topology:
  - role: monitor
    node_count: 1
    ssh_user: ubuntu
    web_ssh: true
    web_ssh_name: "Client Machine"

requirements:
  - type: "CloudStack"
  - type: "TiDBServerlessCluster"

bootstrap:
  - name: "prepare monitor"
    type: "ShellScript"
    target:
      - monitor1
    script: ./scripts/prepare-monitor.sh

features:
  enable_content_explain: false
  enable_environment_variables_fallback: true