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 Business Objects  |  Question 145 of 240    Print  
While resolving loops, how to decide whether alias or context to be used?

  
Total Answers and Comments: 2 Last Update: February 01, 2008     Asked by: krishna 
  
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November 03, 2007 12:46:19   #1  
Amandeep        
RE: While resolving loops, how to decide whether alias...
If the dimension table involved in the loop is associated with more than one fact table, then for each fact table, an alias would be required for each dimension leading to a chaos. Contexts are advised in such cases, one for each fact table

Further consider the scenario
Fact1<--Dim1--and fact1<--Dim3--< Dim2
IT results in a loop..vch can be resolved by using a context leading to
Fact1<--Dim1--fact1<--Dim3--< Alias 2

Consider the fact that a new dimension is introduced into the picture having one to one relation wid Dim2 (Alias 1 and alias 2)
IT will again result in a loop as
Fact1<--Dim1--fact1<--Dim3--< Alias 2--
A context would be best in resolving such kind of a loop..
 
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February 01, 2008 14:54:55   #2  
BPatel Member Since: January 2008   Contribution: 10    
RE: While resolving loops, how to decide whether alias or context to be used?
resolving fan trap: alias and resolving chasm trap: context is used
 
Is this answer useful? Yes | No

 Related Questions

Latest Answer : we should use Detect Aliases and Detect Contexts to formally identify and resolve loops.i.e.if a loop contains only one lookup table then the loop can be resolved by detecting the aliasif a loop is having  2 or more fact tables(multiple ...
Read Answers (1) | Asked by : manohar
1. What is an Universe? 2. How many Universes did you create? 3. Tell me how many classes where there, and objects in each class? 4. What is Object qualification? 5. Tell me about a complicated object you have created? 6. What was the size of the database? Which server? 7. How many user were there? 8. What problems you have faced while creating an universe? tell me an incident and how you went about solving it? 9. Were any experts called from BO while you were on the project? 10. What was the Database?
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Latest Answer : resolving fan trap: alias and resolving chasm trap: context is used ...
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1)How to send universe from Development to Production?2)How to send reports from Development to Production?3)There are 2 tables...table 1 and table 2....suppose if table 1 shows some times shows 5 rows an some other time it shows 50 rows...if there is no sufficient space in table 2 for 50 rows then how can this issue be solved??How can we stop overlapping?4)If there are 50 objects ina an universe...suppose if we want to change the objects from varchar to numeric then how can it be modified..where
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Latest Answer : Context can be used to resolve loops in the universeA context is a rule by which designer can decide which of two paths to choose when more than one path is possible from one table to another ...
Read Answers (1) | Asked by : rajesh
How and in what scenario we can use Alias and context together to resolve the loop? 
Latest Answer : to solve Fan trap we use both aliases & context ...

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