Interview Questions
1. What are the most important DMVs\DMFs from a DBA perspective?
Execution Related
• sys.dm_exec_connections
• sys.dm_exec_sessions
• sys.dm_exec_requests
• sys.dm_exec_cached_plans
• sys.dm_exec_query_plans
• sys.dm_exec_sql_text
• sys.dm_exec_query_stats
Index Related
• sys.dm_db_index_physical_stats
• sys.dm_db_index_usage_stats
SQL Server Operating System
• sys.dm_os_performance_counters
• sys.dm_os_schedulers
• sys.dm_os_nodes
• sys.dm_os_waiting_tasks
• sys.dm_os_wait_stats
I/O Related
• sys.dm_io_virtual_file_stats
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