What are materialized views & where do we use them?


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Hi, I completed MCA in 2006.After studied Informatica,SQL server and basics of reporting tool in one of the training center in chennai.I got subject knowledge only.But I didn't go any job because I scared to face real time.Anyone please advice how can I enter again into this and anyone provide real time exposure with project.

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What are three tier systems in etl?

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what is the advantage of persistent cache? when it should be used?

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How many steps etl contains explain with example?

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how do u estimate the depth of the session scheduling queue? Where do u set the number of maximum concurrent sessions that Informatica can run at a given time?

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What are the types of data warehouse applications and what is the difference between data mining and data warehousing?

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What is partitioning? Explain about round-robin, hash partitioning.

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what is the difference between OLTP database and data warehousing database?

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What is tracing level? How many types of transformations supported by sorted input?

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What is data modeling and data mining?

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Hi, Urgent recruitment in CTS for informatica ETL .Experience 3 to 10 years.

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Explain about enterprise scalability and roi of data integration suite?

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