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GeekInterview.com > Interview Questions > Data Warehousing > DataStage
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Question: surrogate key
Answer: What is the Disadvantage of surrogate key stage? |
| July 07, 2008 15:01:21 |
#2 |
| rajul.ds |
Member Since: July 2008 Total Comments: 3 |
RE: surrogate key
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to my concern if the data is not properly processed on nodes..in such suitations this surrogate key generates holes(simply skips the ordering )
ex:
aa-1
bb-2
ba..
bg...
cc-3
dd-4
ddd-5
here for ba and bg do not have seq key ,here ba and bg have holes
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