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Data Warehousing Interview Questions & Answers

Below we have listed all the Data Warehousing Interview Questions and answers. Feel free to comment on any Data Warehousing Interview Questions or answer by the comment feature available on the page.

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Data Warehousing Interview Questions & Answers

Data warehousing is the process of constructing and using a data warehouse. A data warehouse is constructed by integrating data from multiple heterogeneous sources that support analytical reporting, structured and/or ad hoc queries, and decision making. A data warehouse is a subject-oriented, integrated, time-variant and non-volatile collection of data in support of management's decision making process. Subject-Oriented: A data warehouse can be used to analyze a particular subject area.

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Following are sub categories for which Interview Questions & Answers are available under Data Warehousing Interview Questions & Answers. Please select the appropriate sub-category:-

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General Datawarehousing Interview Questions & Answers (50)

Informatica Interview Questions & Answers (417)

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Operational Data Store Interview Questions & Answers (11)

Reportnet Interview Questions & Answers (34)

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How to Add VB script to web pages ?
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If one wants to see the time dependent master data, what table is to be referred?
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I wanted to load only particular no of records suppose i have 100 records out of which i wanted to load first 10 records to target.
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What are the major differences between Informatica 7.1,8.1,8.5 and 8.6?
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Can a Data Warehouse also be used for Transaction Database?
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What is the use of bridge table. Can give a simple example?
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How does replication takes place between two sites?
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What are the steps to build the data warehouse?
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What is DATA integration?
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What are Data Marts?
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What is real time data-warehousing?
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What is data mining?
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Which is the optimized method of extracting the data?
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What are the similarities between ROLAP and MOLAP?
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What is the purpose of "Factless Fact Table"? How it is involved in Many to many relationship?
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How do you connect two fact tables ?Is it possible ?
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Can a dimension table contains numeric values?
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What are the advantages data mining over traditional approaches?
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What is the main difference between Inmon and Kimball philosophies of data warehousing?
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