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Data Warehouse Interview Questions
Questions Answers Views Company eMail

what is the difference between input file repository server and output file repository server ?

CTS,

2 22837

enterprise datawarehouse your project phase by phase explain?

Cap Gemini,

1 6302

what is mean by throghput? in informatica

Cap Gemini,

3 9860

what is difference between fuse and join? Explain in detail? In which scenario we will use them?

IBM,

1 16408

What do you mean by continuous graph? what is it significance?

IBM,

1 15506

What is the difference between reformat and redefine format?

IBM, TCS,

4 32599

what is difference between chk point n phase.Say im loading a file (containig 1 lakh records) and my graph fails after loading 50,000th record.What is the advantage of using check point in this case. Will i be able to start from 51000th record.

IBM,

1 10740

what is difference between chk point n phase.Say im loading a file (containig 1 lakh records) and my graph fails after loading 50,000th record.What is the advantage of using check point in this case. Will i be able to start from 51000th record.

IBM,

1 8398

what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.

IBM,

2238

what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.

IBM, MAHINDRA, Tech Mahindra,

4 8934

How can you increase the number of ports of your output flow? What is the limit? Can i have 20 out ports?

IBM,

2 12630

If m loading a file of 1 million records.and the graph fails after loading 10,000 records. In this case if we use rollback command then what will happen?

IBM,

4 16200

how to create a new mfs file? where will we specify the number of partition eg 4 way ,8 way?

IBM,

4 32562

difference betwween check point and phase?

IBM,

2 14425

how does deadlock occur?

IBM,

6 19067


Un-Answered Questions { Data Warehouse }

Give an idea of system variables.

1036


what is ds administrator used for?

1173


what is sas application server? : Sas-di

1080


What are the design features involved in teradata?

1058


What is rank transformation in informatica

1179


Explain difference between e-r modeling and dimentional modeling?

990


List out some of the primary characteristics of teradata.

1009


How do you design a report which has multiple child datastream (horizontal seq)

2605


What is cube grouping?

1084


Can you define dimension?

1085


Define the various join types of joiner transformation?

988


Give some difference between oltp and olap.

1008


what are validation tools that are used in sas? : Sas-administrator

1059


Let us say there is a file that consists of 100 records out of which we need to skip the first and the last 20 records. What will the code snippet?

1203


How do you create tables? Exact syntax, and create profiles, users in teradata?

1036