07 lci - tuples · mark whitehorn, robert zare and mosha pasumansky “fast track to mdx” 2004,...
TRANSCRIPT
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Understanding Tuples
Lauma Cīrule
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“I aim not to make the software; I aim to make it better!”
Lauma Cīrule
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Community Days April 12, 2019 What is tuple?
Why at eazyBI support we love
them?
Real life examples with eazyBI
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Mark Whitehorn, Robert Zare and Mosha Pasumansky “Fast Track to MDX”
2004, Springer
What is tuple?
A tuple is an intersection of exactly a single member from each dimension (hierarchy) in the cube.
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( [Measures].[Issues created], [Issue Type].[Bug], [Time].[2018].[Q2 2018].[May 2018])
Tuple always identifies an exact cell in the multi-dimensional matrix
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Tuple By using Tuple we can
often avoid long running reports,
timeouts …
Sets Going through large
sets with Descendants(..) can be
problematic… Though sometimes
necessary.
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( [Measures].[Issues created], [Issue Type].[Bug])
Bugs created
Issues created without bugs
[Measures].[Issues created] - [Measures].[Bugs created]
Tuple examples
Bugs created
Top Priorities %
User logged hours
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Tuple examples
Bugs created
Top Priorities %
User logged hours
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Tuple examples
Bugs created
Top Priorities %
User logged hours
% resolved in Top priorities
( [Measures].[Issues resolved], [Priority].[Top priorities])/( [Measures].[Issues resolved], [Priority].DefaultMember)
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Tuple examples
Bugs created
Top Priorities %
User logged hours
Top priorities
Aggregate({ [Priority].[Highest], [Priority].[High]})
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Tuple examples
Bugs created
Top Priorities %
User logged hours
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Tuple examples
Bugs created
User logged hours
Hours spent in assigned issues
Top Priorities %
( [Measures].[Hours spent], [Logged by].[User].GetMemberByKey( [Assignee].CurrentMember.Key ))
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Tuple examples
Bugs created
User logged hours
Hours spent in any issue
Top Priorities %
( [Measures].[Hours spent], [Logged by].[User].GetMemberByKey( [Assignee].CurrentMember.Key ), [Assignee].DefaultMember)
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Tuple examples
Bugs created
User logged hours
Top Priorities %
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Thank you!