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____________ stores information about how the management data warehouse reports should group and aggregate performance counters.(a) core.snapshots_internal(b) core.supported_collector_types_internal(c) core.wait_categories(d) core.performance_counter_report_group_itemsI had been asked this question in an online interview.My doubt stems from Management Data Warehouse in chapter Monitoring and Auditing of SQL Server

Answer» RIGHT option is (d) core.performance_counter_report_group_items

The explanation is: core.wait_categories contains the categories USED to group WAIT types according to wait_type CHARACTERISTIC.


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