Hi Friends, Can anyone tell me. is there any certification in Database testing or BI testing or ETL testing international certification? Thanks ArunKumar

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Explain difference between data ware house & data mart?

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How many different schemas or dw models can be used in siebel analytics. I know only star and snow flake and any other model that can be used?

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What is the difference between an ODS and a W/H?

1 Answers   Barclays,

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Can we have more than one time dimensions in a Schema(Star or Snowflake)

1 Answers   ASD Lab, IBM,

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What is difference between Mapplet and reusable transformation?

3 Answers   UST,

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1.WHAT IS DATA MART ?

5 Answers   HCL,

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What is the very basic difference between data warehouse and operational databases?

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What is data analysis? Where it will be used?

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What is Snow Flake Schema design in database?

3 Answers  

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Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meet the condition 333 after we create a scd table, can we use that particular dimension as a dimension table for star schema?

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Explain reference cursor?

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