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Tell me one example for junk dimension?
 Question Submitted By :: Data-Warehouse-General
I also faced this Question!!     Answer Posted By  
# 1
example for junk dimension:

consider a trade company which consists of fact about trading that take places in a share trading these there may be some facts like mode of trade(which indicates whether the user is trading through phone or online)which will be not related to any of the dimensions such as account,date,indices,amount of share etc.
so these unrelated facts are removed from the fact table and stored as a separate dimension as a junk dimension which will be useful to provide extra information
Is This Answer Correct ?    13 Yes 1 No
# 2
Itís simply a structure that provides a convenient place to
store the junk attributes.
Is This Answer Correct ?    10 Yes 6 No
# 3
The dimension which will contain data/flags information is
called junk dimension
Is This Answer Correct ?    5 Yes 1 No
# 4
any yes or no like status is an example for junk dimension 
Is This Answer Correct ?    11 Yes 8 No
# 5
un wanted data which is not useful fo report generating
purpose tht data will be placed in the particular table that
table is known as junk dimension
Is This Answer Correct ?    6 Yes 5 No
# 6
A junk dimension is a table containing all known or given
combinations of two or more other dimensions. It is then
used as a lookup from a fact table to find the combination
of dimensions that relate to that fact. The purpose is to
declutter and reduce the width of the fact table.
An example might be a [SalesFact] table which references a
junk dimension [SalesExtentionDIM] containing values/SKs
for dimensions of [OnSaleYN] , [SaleCodeSK] , [ColourSK] ,
Is This Answer Correct ?    1 Yes 1 No
# 7
Junk Dimension are may be or may not be used
Ex-Gender M/F
student attendance.-yes/No
Is This Answer Correct ?    0 Yes 0 No
# 8
A Dimension with the type of descriptive information like flog,button or not used describe the key performance indicators known as facts is called as junk dimension

ex: product description,phone,fax, address ,etc..
Is This Answer Correct ?    4 Yes 6 No
Srinivas Reddy

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