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What is data cleaning?


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More ETL Interview Questions

my name is amar i want display 1st line A 2nd line M 3rd line A 4th line R in database & informatica

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what are the reports developed in sap bw project and what is the requirement for developing it?

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

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what is the difference between cardinality and Nullability?

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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 ETL Testing Operations?

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explain the methodology of Data Warehousing?(Polaries)

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what are the concerns of OLTP and DSS systems?

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Explain the use lookup tables and Aggregate tables?

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what are the facilities provided by data warehouse to analytical users?

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what is a worklet?

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Identifying the bottlenecks in various components of Informatica and resolving them.

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