Answer / m m naidu

surrogate key: It has system generated artificial key
values, which allows to maintain historical records in the
data warehouse more effectively.

Answer / rajdeep chatterjee

Surrogate key is an artificial key which is a system
generated one. It can be created from Oracle using
sequence, can also be created using ETL tools. It is the
unique key is dimension tables. The purpose of using
Surrogate key is to reduce the dependency from underlying
database.

what is the difference between querystudio in reportnet and cognos8

0 Answers   CTS,

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What is catalog and types of catalogs in cagonos and which is better?

0 Answers  

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How do we create row level security in cognos8?

3 Answers  

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What are all types of Batches?

0 Answers  

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is there any difference between operational database and data base?if yes what r they?

0 Answers  

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1.tyes of security in cognos?.how to use rank function? 2.what is content store? 3.what is content manager? 4.how 2 use rank function?

3 Answers  

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10 Answers   IBM, TCS,

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2 Answers   IBM, Polaris,

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0 Answers  

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0 Answers   IBM,

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diff b/w layout calculation and query calculation

2 Answers   Cap Gemini,

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What is conditional Formatting?

2 Answers   HCL,

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