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Data Warehouse Interview Questions
Questions Answers Views Company eMail

I want my deployment group to refer an external configuration file, while i deploy in the production environment. How can i achieve it.

1 2159

what is target load plan

Cap Gemini,

2 6670

what is constraint based load order

Cap Gemini,

2 7757

what is fact and what types of fact tables is there

Cap Gemini,

4 11463

what is the main advantage of unconnected lookup

Cap Gemini,

2 14630

what is junk dimension

Cap Gemini,

4 7473

what is degenerated dimension

Cap Gemini,

6 10114

what is the purpose of surrogate key and diff between primary key&surrogate key

Cap Gemini,

1 6720

i having source, router transformation, two targets in my mapping... i given two conditions in router 1)sal >500 2)sal < 5000 --------------- my source is havig two sal records (1)1000 (2)2000 then which target will load first? will both targets are get load or single target only get load...... why?

Cap Gemini,

9 21835

i having mapping emp---> sq_emp--->target using this mapping i have to load dept table values into target... (condition assume there is no primary and foreign key relation between emp(table x) and dept (table Y))

Cap Gemini,

5 10134

how to get the data from the client machine and how to get server location data to client loction can any one explain bit deep please..!

TCS,

3 7801

How to Convert a string function to date function by using only sequential file stage with out using other stages ?

TCS,

5 22981

when we create source as oracle and target as flat file, how can i specify first row as column in flat file?

1 6036

when do we use static cache and when do we use dynamic cache in lookup transformation? with example.

1 4888

what is normalization? explain 1st NF, 2nd NF, 3rd NF

SunGard,

1 11694


Un-Answered Questions { Data Warehouse }

I have two different source structure tables, but I want to load into single target table? How do I go about it? Explain in detail through mapping flow.

1244


How to add default rules in transformer?

1286


1)s.key generate 1 to 700 records today. tomorrow another 400 will updated how to update the records using s.key generator? 2)source is like :-- DB --> T/F stage1 --> seq1file T/f 1 is linking with T/F2 ---> seq 2 how to load the data? in source i given some conditions those r going in seq1. The another data will going to seq2 how to do this ?

2084


Explain about a time when you discovered a more efficient way to do a work task?

1224


Explain how to generate iqd file from framework manager?

1022


Connecting to iserver volume using idapi classes(java classes) and after connecting to iserver I want to execute the rox on iserver and also want know the status whether that job is succesfully run or not?

1101


What are the data types present in bo? What happens if we implement view in the designer and report?

1082


Write the unconnected lookup syntax?

1152


what are the dimensions that you have in your current project?list them?

2095


Tell me about your experience in informatica? what is best mark you can give yourself? How to answer this question?

8288


How do you load more than 1 max sal in each department through informatica or write sql query in oracle?

1673


hi..i'm searching on cognos.i want to know some real time explanation..persons who have real time exp and who r searching in this field..can u send ur mail-id..my mail-id is dhaanuus@gmail.com..hope u will respond as soon as possible..

1964


What sort of existing documents should business analysts refer to when starting on a new project?

1078


faq's on cognos

4113


How to write the query . eid enm doj dob i want to display the names who worked more than 25 years .

1852