How to improve session performance in aggregator transformation?


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More Data Warehouse General Interview Questions

How to create diff. Types of templates?

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List any five applications of data warehouse.

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What is the limit to the number of sources and targets you can have in a mapping?

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for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?

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Explain what are the various transformation available?

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What are the different methods of loading dimension tables?

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What are the differences between star and snowflake schema?

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What is many-to-many dimensional model in datawarehousing ?

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What is fact less fact table? Where you have used it in your project?

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What are Aggregate tables?

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What's a Cube in Rolap?

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Explain what is a staging area? Do we need it? What is the purpose of a staging area?

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