Cracking Execution Plans By Sarabpreet Singh Anand
SQL Server MVP MCTS, MCITP: Admin, MCT certifications Vice President & Co-Founder of SQLServerGeeks.com Expert in handling VLDBs & Disaster Management Conducted many SQL Server Boot camp Trainings Regular Speaker: UG Events, In-person Events & Webcasts Microsoft Community Tech Days (CTD),Etc Follow
T-SQL? Declarative You tell – what to do. But you don’t tell How to do….! Exceptions: Hints Plan guides Etc.
Query Execution Plan What is a query execution plan Build from many operator blocks Query tree
Execution Plans What all it offers How it is useful What all it lacks? Cost = time? (Myth)
Estimated & Actual Estimated: compile Showplan_text Showplan_All Showplan_XML Graphical plan Sys.dm_exec_query_Plan Sys.dm_exec_text_query_plan Actual Plan set statistics profile set statistics xml graphical plan
How to get Execution Plans What all information is important Diff ways to get the information What all methods are deprecated Using Extended Events to get execution plans\info Let’s see:
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