[AlwaysOn] 创建SQL Server高可用性组T-SQL语法：BASIC参数

BASIC

用于创建基本可用性组。Used to create a basic availability group. 基本可用性组仅限于一个数据库和两个副本：一个主副本和一个辅助副本。Basic availability groups are limited to one database and two replicas: a primary replica and one secondary replica. 此选项替代了SQL Server标准版上已弃用的数据库镜像功能。This option is a replacement for the deprecated database mirroring feature on SQL Server Standard Edition. 有关详细信息，请参阅基本可用性组(始终在可用性组上)。For more information, see Basic Availability Groups (Always On Availability Groups).

从SQL Server 2016(13.x)开始，支持基本可用性组。Basic availability groups are supported beginning in SQL Server 2016 (13.x).