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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Hi I have Most updated Cognos dumps like COG-112(ReportAuthor),COG-122(Admin),COG-132(Meta Data Modeller). 100%score Gurantee. If anyone intrested mail me on kris.bi121@gmail.com

7 9230

2.how u run your rotines in unix? what is job sequencer? if i have 4 jobs i would like to run 2 jobs in server(using job jobsequencer)and remaining 2 in parallel?how can i run?

1 5740

i have a some records eno ename acono amount 1001 suresh sbi101 12000 1001 suresh sbi101 14000 1001 is dublicata how can i remove duplicate?

4 8780

eno ename esal acct1 acct2 amount1 amount2 100 suresh 10000 sbi1 sbi2 1000 2000 this is our sourse data i would loke to disply like this eno ename esal acct amount 100 suresh 10000 sbi1 1000 100 suresh 10000 sbi2 2000

HCL,

2 8513

1.what is stagearea?what is stage variable? 2.this is my source source:id, name target:id, name 100, murty 100,madan we have three duplicate records for the id column,how can we getthe source record? 100,madan 100,saran

HCL,

1 7368

1.which index is follows the dimensions tables?why? 2.what is the use of trigger in job sequence? 3.what is the mean of optimization? 4.what is the job control?when we use it? what is difference bet batch and sequencer? 6.seq--->seq,seq--->copy--->seq which one is best and efficient?

1 5627

1.i have 5 jobs(1-5),i connect with each other,i want run from 3-5 only how? 2.how to schedual the job in datastage7.5 2? what is the deff bet grip and fgrep command? how do you cleanse the data in your project

Accenture,

1 4568

i have a job with 3 possibiliies finish with ststus ok abbort warning how do you handle these 3 in job sequence? explain the situation where you have appiled scd in your project? chandu

2722

if i have two tables table1 table2 1a 1a,b,c,d 1b 2a,b,c,d,e 1c 1d 2a 2b 2c 2d 2e how can i get data as same as in tables?chandu how can i implement scd typ1 and type2 in both server and in parallel?chandu field1 field2 field3 suresh , 10,324 , 355 , 1234 ram , 23,456 , 450 , 456 balu ,40,346,23 , 275, 5678 how to remove the ,inthe fields?

2 6948

Difference between standard, absolute and ignore condition in metrics?

2 17152

Could anyone please mail me a copy of Informatica Certification Exam dumps to sandeep.nakka@gmail.com it would be appreciated if any one could help me out.

2200

1.Can we use 2 packages in report studio at a time is there any alternative for this? 2. What are Star Dimensions and Star Facts? 3.What are dimensions and facts in project ? 4.What is difference between 3 NF and Star Schema ? 5. What Is Data Modelling? 6. How much time do u need to create a report ,if u have four dimensions and 1 fact ? 7. How do u create a Model ? 8. How do u connect a Parameter in a list ,such a way it has to show relative objects in Cross tab ? 9. To display region list in separate pages ,how do u do ?

1 6786

We want to merge file A and B. File A has variable age, file B provide birthdate. How to merge the data according to age in file B

3 6812

what is shortcut in informatica? difference between shortcut,reusable object?

Virtusa,

2 16285

U r project in which stage in implementation?

Accenture,

2526


Un-Answered Questions { Data Warehouse }

What is tracing level and what are the types?

968


What are the mapping parameters and mapping variables?

1210


How can I remove header from output data set?

2632


How teradata makes sure that there are no duplicate rows being inserted when its a set table?

990


Explain the differences between normalizer and normalizer transformation?

1031


What are pass-through functions and why they are so called? Give some examples.

1031


What is data partitioning?

1211


What can we do to improve the performance of informatica aggregator transformation?

1098


What is the difference between absolute and relative div positioning?

1056


how u will determine the performence tune will occur either in report or system

2138


what is the difference between nodup and nodupkey options? : Sas programming

1198


Give some examples where proc report’s defaults are same as proc print’s defaults?

1115


Name the third party tools that can be used in datastage?

1079


Explain what are the different types of join operations?

974


What is is a star schema?

1179