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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Explain what is ods (operation data source)?

1 1050

Explain difference between data ware house & data mart?

1 1047

Explain what is the difference between view filter and report filter?

1 1047

What is data type of the surrogate key?

1 1070

Where the applications and where ware house management system is used?

1 1070

Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?

1 1001

What is the difference between power center & power mart?

1 1054

Explain what are conformed dimensions?

1 1161

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

1 1021

How to calculate fact table granularity?

1 1100

How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id 347 what is hybrid slowly changing dimension?

1 1152

what type of raid setup would you put your tx logs?

1 1019

What is a general purpose scheduling tool?

1 1211

What is the metadata extension?

1 1085

What a static and local variable?

1 1162


Un-Answered Questions { Data Warehouse }

What r the names of the reports that you prepared?

1032


draw informatica architecture 8.6 ?

3949


HI, Anybody is having informatica Dumps,if it there Can u send to my mail id :sathesh.cool@gmail.com

2106


What is dimensional table?

1166


can any one help me now i am learning AB Inito but i don't have material and pdf's can any one provide pdf's to this mail id mohanraju0113@gmail.com thanks in advance...................................

2334


explain in detail about type 3?

1091


Hi, If anyone has base SAS certification dumps, please share.

1940


how to generate the test data in sas without input data? : Sas-administrator

1207


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

2493


What is a rollup component? Explain about it.

1245


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

1178


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

2303


How to create the source and target database connections in server manager?

1144


create a job that splits the data in the Jobs.txt file into four output files. You will direct the data to the different output files using constraints. • Job name: JobLevels • Source file: Jobs.txt • Target file 1: LowLevelJobs.txt − min_lvl between 0 and 25 inclusive. − Same column types and headings as Jobs.txt. − Include column names in the first line of the output file. − Job description column should be preceded by the string “Job Title:” and embedded within square brackets. For example, if the job description is “Designer”, the derived value is: “Job Title: [Designer]”. • Target file 2: MidLevelJobs.txt − min_lvl between 26 and 100 inclusive. − Same format and derivations as Target file 1. • Target file 3: HighLevelJobs.txt − min_lvl between 101 and 500 inclusive. − Same format and derivations as Target file 1. • Rejects file: JobRejects.txt − min_lvl is out of range, i.e., below 0 or above 500. − This file has only two columns: job_id and reject_desc. − reject_desc is a variable-length text field, maximum length 100. It should contain a string of the form: “Level out of range: ”, where is the value in the min_lvl field. My Question is how do you write the stage variable for reject rows.

2815


What is rollup component?

1336