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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Explain meta data?

1 1130

Explain why are oltp database designs not generally a good idea for a data warehouse?

1 1100

Tell me what is full load & incremental or refresh load?

1 1012

Explain is olap databases are called decision support system true/false?

1 1085

How can we determine what records to extract?

1 1173

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

1 1076

Explain which are the olap tools available that are supported by oracle?

1 1079

Explain some of modeling tools available in the market?

1 1051

Explain what are non-additive facts?

1 1092

Explain what is the difference between power center & power mart?

1 1070

Explain if a flat file cotains 1000 records how can I get first and last records only?

1 987

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

1 1012

What does level of granularity of a fact table signify?

1 1179

What are the different methods of loading dimension tables?

1 1070

Explain what are the modules in power mart?

1 1118


Un-Answered Questions { Data Warehouse }

Explain what is aggregate table and aggregate fact table ... Any examples of both?

1178


1. When u r checking out what ll happens for version no? a. Increase b. decrease c.reset to 0 d. reset to 1 e. no change 2. Salary of all employees needed to add with the commision. What transfrmation to be used? a. SQ and Expression b. SQ c. Update Strategy d. Expression 3. Which of the task is used to run a session based on success of the other session? a. Decision b. Event wait c. Email d. Command e. None 4. Types of sources in Informatica? a. Homogenous n Heterogenous b. None c. Cobol n XML d. Flat files e. Flat files and Homogenous n Heterogenous 5. Servers are available in informatica? a. Informatica Server and Workflow server b. Informatica Server and Informatica Repository Server c. Informatica Server d. Workflow server e. Informatica Repository Server 6. While using Pmcmd in cmd line mode, each command must include the connection info of which of the following? a. workflow manager b. Power Center server c. Workflow monitor d. Repository manager e. Designer 7. Workflow montior displays workflows that have run a. once b. twice c. never d.four times e. thrice 8. Mode for handling sessions n workflows? a. server mode b. Wait mode c. Command line mode d. User mode e. Interactive mode 9. Connection details configured in? a. Mapping designer b. Workflow manager c. Workflow monitor d. Repository manager e. Worklet designer Thanks in Advance

4263


Does anybody have the sample of delivery document of cognos, or provide some link of websites Thanks

2095


hi i want to learn microstratogy please anyone help to me which institute is best in bangalore any one having related documents ,and video link please mail to this id avanthireddykv@gmail.com

2300


does anyone "QlikView" BI tool. if you have any docs send me pls. yaparas84@gmail.com

6077


Write the unconnected lookup syntax?

1151


Hi, If anyone has TD 14 Basics dumps or study materials, please share. nirmaaal1991@gmail.com

2493


i'm searching on cognos..i want to know real time scenarios..persons having real time exp or undertaking trainings or who searching on cognos...can send me the details...for proper guidence..for project and interview preparation..pls help me out..my mail-id is ammu2india@gmail.com..hope u will respond as soon as possible..thanks..

2770


faq's on cognos

4112


What is rollup component?

1334


Explain about a tricky situation for which you found a very simple solution?

1079


Demonstrate experience in maintaining quality process standards?

2674


draw informatica architecture 8.6 ?

3948


I have 2 doubts regarding the "Input Control" functionality in BI4: 1) Can the Input Controls in BI4 be manipulated? I mean, can we change the IC display as BOLD or change the values from Italics to regular? Or change the colors? 2) How to get hierarchy type control in IC? Let's say my first IC is for Country and second is for State. If I select a particulat country from Ist IC,second one should show me states belonging to selected country. Is that possible? Thanks in advance!!!

2264


EXL informatica Questions

1461