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Data Warehouse General Interview Questions
Questions Answers Views Company eMail

How does data mining and data warehousing work together?

 2 14168

What is XMLA ?

 1 3697

What is Discover and Execute in XMLA?

 1779

Give me a broad concept of what a data warehouse is, and what it might be used for?

 2 4240

What is a Data Cube?

 1 5473

Explain in simple terms, the concept of Data Mining.

 3 11731

how can one transfer LOB and user defined data from oracle to warehouse using ETL informaticabecause

iGate,

1719

which automation tool is used in data warehouse testing?

 1 5404

what is data validation strategies for data mart validation after loading process

 1 6043

what is the difference between etl tool and olap tools

 3 9508

what are the types of dimension tables

Infotech,

19 38482

What is a Data Warehouse?

 9 10220

What is a ETL/ How does Oracle support the ETL process?

 1 3292

What is the difference between a data warehouse and a data mart?

Apex, ASD Lab, Bank Of America,

15 43529

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

 5 10079

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Un-Answered Questions { Data Warehouse General }

Explain what are fact, dimension, and measure?

543

What is an error log table in informatica occurs and how to maintain it in mapping?

552

Explain degenerate dimension table?

532

What are the key features of chameleon that separates it from other algorithms?

664

a perceptron has two inputs x1,x2 wih weights w1,w2and bias weight of w0. the activation function of perceptron is h(x).the output of perceptron

1910




How to provide security in frame work manager for a query subject?

511

How to load the time dimension?

532

Explain er diagram?

540

What are the different types of datawarehosuing?

552

What is a linked cube?

529

What is Active Datawarehousing?

554

Explain what is the metadata extension?

573

Where we use surrogate key explain with example?

567

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?

551

What are algorithms provided by Microsoft in SQL Server?

1564

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