Azure SQL Database的SLA

Last updated: May 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.

版本历史记录

1.2 Last updated: May 2019
发布说明:Expanded SLA to cover Business Critical, Premium, and Hyperscale tiers of SQL Database. Removed references to Web and Business Tiers, since they have been retired.

1.1 最后更新日期:2016 年 5 月
发布说明:于 2016 年 5 月 1 日修订,以反映弹性数据库的一般可用性

1.0 最后更新日期:2015 年 5 月