Azure SQL Database の SLA

Last updated: July 2019

Azure SQL Database is a fully managed relational database with built-in regional high availability and turnkey geo-replication to any Azure region. It includes intelligence to support self-driving features such as performance tuning, threat monitoring, and vulnerability assessments and provides fully automated patching and updating of the code base.

  • Azure SQL Database Business Critical or Premium tiers configured as Zone Redundant Deployments have an availability guarantee of at least 99.995%.
  • Azure SQL Database Business Critical or Premium tiers not configured for Zone Redundant Deployments, General Purpose, Standard, or Basic tiers, or Hyperscale tier with two or more replicas have an availability guarantee of at least 99.99%.
  • Azure SQL Database Hyperscale tier with one replica has an availability guarantee of at least 99.95% and 99.9% for zero replicas.
  • Azure SQL Database will experience an average Geo-Replication Lag of less than 5 seconds for any Business Critical tier database configured with geo-replication for 100% of deployed hours.
  • Azure SQL Database will be recovered in less than 30 seconds of an Unplanned Failover for any Business Critical tier database configured with geo-replication 100% of the time.

バージョン履歴

1.4 Last updated: July 2019

1.3 Last updated: July 2019
リリース ノート: Expanded SLA to include guarantees for RPO and RTO. Addition of guarantees for availability <95%.

1.2 最終更新日: 2019 年 5 月
リリース ノート: SLA を拡張し、SQL Database の Business Critical、Premium および Hyperscale 層が対象となるようにしました。Web および Business 層へのリファレンスが廃止されたため、これらを削除しました。

1.1 最終更新: 2016 年 5 月
リリース ノート: 2016 年 5 月 1 日: Elastic Database の一般提供開始に合わせて改訂しました。

1.0 最終更新: 2015 年 5 月