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Star Schema
How many star schemas can you use in a project? Is it possible to use more one star schemas?
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Metadata Repository
Is metadata repository informatica a file format or database format?
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Time Dimension
How to load time dimension using Informatica?
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Check Existing Rows in Target with Joiner
How to check whether rows existed in target or not by using joiner?
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How do you change the transformation?
On one day there are 10 cities and the other day 5 more cities gets added? then how do you change the transformation? What do you do?
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What is Code Page used for?
Code Page is used to identify characters that might be in different languages. If you are importing Japanese data into mapping, u must select the Japanese code page of source data.
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What r the methods for creating reusable transforamtions?
Two methods 1.Design it in the transformation developer. 2.Promote a standard transformation from the mapping designer.After U add a transformation to the mapping , U can promote it to the status of reusable transformation. Once U promote a standard transformation to reusable status,U can demote it to a standard transformation at any time. If u change the properties of a reusable transformation in...
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What r the rank caches?
During the session ,the informatica server compares an inout row with rows in the datacache.If the input row out-ranks a stored row,the informatica server replaces the stored row with the input row.The informatica server stores group information in an index cache and row data in a data cache.
Informatica Interview Questions
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