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12、 Sys. dm_hadr_availability_replica_cluster_states 为Windows Server故障转移群集(WSFC)群集中所有AlwaysOn可
Query #57 Buffer Usage -- Breaks down buffers used by current&nbs
Sys.dm_os_ring_buffers内幕 翻译自：https://mssqlwiki.com/2013/03/29/inside-sys-dm_os_ring_buffers/&nb
