Query Performance Tuning in SQL Server 2014 #devconnections

Query Performance Tuning in SQL Server 7

13

16

Query Performance Tuning in SQL Server 21

QUERY

RelationalEngine

RelationalEngine QueryParsorSyntaxCheck ParseTree

RelationalEngine QueryParsorSyntaxCheck ParseTree AlgebrizerResolvesObjects QueryProcessorTree

RelationalEngine QueryParsorSyntaxCheck ParseTree AlgebrizerResolvesObjects QueryProcessorTree Optimizer ExecutionPlan

DATA RelationalEngine QueryParsorSyntaxCheck ParseTree AlgebrizerResolvesObjects QueryProcessorTree Optimizer ExecutionPlan StorageEngine

SELECT ID FROM TableA WHERE ID = 42 Table A SCAN SEEK

SELECT a.ID, b.Name, c.Value FROM TableA as a JOIN TableB as b On a.ID = B.ID JOIN TableC as c ON b.OtherID = c.OtherID WHERE a.ID = Possible Plans LOOP HASHMERGE SCAN SEEK

Query Performance Tuning in SQL Server 42

49

Query Performance Tuning in SQL Server 53

55

56

57

58

59

60

80

81

82

83

84

Query Performance Tuning in SQL Server 87

88

89

90

91

92

93

94

95

96

Explore Everything PASS Has to Offer Free SQL Server and BI Web Events Free 1-day Training Events Regional Event Local User Groups Around the World Free Online Technical Training This is CommunityBusiness Analytics Training Session Recordings PASS Newsletter