如何解释这些DMV的结果以帮助我评估分区策略?
版本:SQL Server 2008 R2 Enterprise Edtn。(10.50.4000) 为了评估我们的分区策略,我编写了此查询来获取针对分区上索引的访问方法(从广义上讲,尽管我要消除堆)。当我将注意力集中在分区表上时,我相信我需要研究range_scan_count并且singleton_lookup_count在概念化方面遇到了困难。 SELECT t.name AS table_name, i.name AS index_name, ios.partition_number, leaf_insert_count, leaf_delete_count, leaf_update_count, leaf_ghost_count, range_scan_count, singleton_lookup_count, page_latch_wait_count , page_latch_wait_in_ms, row_lock_count , page_lock_count, row_lock_wait_in_ms , page_lock_wait_in_ms, page_io_latch_wait_count , page_io_latch_wait_in_ms FROM sys.dm_db_partition_stats ps JOIN sys.tables t ON ps.object_id = t.object_id JOIN sys.schemas s ON t.schema_id = s.schema_id …