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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Different sorts of metadata that stores in the storage facility?

948

How might you approve all mappings in the archive all the while?

958

Quickly characterize reusable change?

1061

What do you mean by channel change?

967

What is abap? What are idocs?

917

How can we use external procedural logic in informatica?

873

Do we need an etl tool?

943

What is etl process. How many steps etl contains explain with example?

896

What is a staging area? What is the purpose of a staging area?

825

What are vaious etl tools in the market?

939

What are the measure objects?

1121

What are the different types of transformation available in informatica.

1031

Explain what are the different types of transformation available in informatica.

1040

What is the difference between power center and power mart? What is the procedure for creating independent data marts from informatica 7.1?

1018

How to do unit testing in informatica? How to load data in informatica ?

1051


Un-Answered Questions { Data Warehouse }

What do you understand by local lookup?

1094


what is diff b/t sorter t/r and agg have the option sorter property...

2134


How to insert/update a csv file by comparing it with another csv file? for example, i have 2 input files : ColA ColB ColC 1 A AA 2 B AB 3 C CC and second one : ColA ColB ColC 2 B BB 4 D DC Job should compare these 2 files and update the records present in first input file. so the output file will look like this: ColA ColB ColC 1 A AA 2 B BB 3 C CC 4 D DC

1945


Hi, In source I have records like this No name address 10 manoj mum 10 manoj dilhi 20 kumar usa 20 kumar Tokyo I want records in target like shown below No name addr1 addr2 10 manoj mum dilhi 20 kumar usa Tokyo If it is reverse we can do this by using Normalizer transformation by setting occurance as 2. Somebody will say use denoralization technique. But as of my knowledge I couldn’t find any denormalization technique. Is there any concept like that? I tryid this seriously but I could find any idea to implement this. Can any one please help me ? Advance Thanks

7881


pmscmd startworkflow -sv -d -u -p -f while running this command I got the error as "no gateway connectivity is provided for your domain name". So anyone please help me how to rectify this error?

1445


What are types of partition primary index (ppi) in teradata?

1001


what are the different authentication modes available in microstrategy?

1041


How to implement complex jobs in data stage?

1054


Where do the datastage jobs get stored?

1150


Assuming {et} is randomly drawn from N(0,1) and e0 = 0, generate 200 observations of xt = et − 0.5e(t−1) and draw a line graph of xt.

1837


What are loops in Datawarehousing?

942


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

949


What are the best sas programming practices for handling very large datasets? : sas-grid-administration

968


Repository user profiles

1715


Do we need an ETL tool? When do we go for the tools in the market?

892