Define Incremental Aggregation?

2 Answers  

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What if we sort the data in descending order instead of increasing order in sorter t/f and send the data in aggregator t/f is there any performance downfall? Please answer below. thank you.

4 Answers   JPMorgan Chase,

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in which situations do u go for scds ?

3 Answers   TCS,

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In a table there are 1 million records there in which 3 records are duplicate how will you find out those 3 records?

6 Answers  

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explain different types of modeling.

2 Answers  

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Separate from an archive server and a powerhouse?

0 Answers  

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Hi, This is Lakshmi,Anyone taking classes for datawarehouse-Informatica and BO with real time project

2 Answers  

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How can u insert o ne row in the target if that row does not exists in the target and update if it exists

6 Answers   Accenture,

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What is the meaning of up gradation of repository?

0 Answers  

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can any one give some examples for pre sql and post sql(Except dropping and creating index).

0 Answers   Zensar,

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can u any challenge your project?

0 Answers   HP,

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Hi Every One,What is Use of Factless Fact Table ? Why we use Factless Fact Schema in the Projects waiting for reply? thank you

6 Answers  

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