Data Warehouse Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Teradata (490)
Business Objects (875)
Cognos (1143)
Informatica (2428)

SAS (1049)
Micro Strategy (282)
ETL (315)
OBIEE (92)

Data Warehouse Interview Questions

Questions Answers Views Company eMail

Hi , Today 1000 records updated, tomorrow 500 records updated how to find that?

Wipro,

4 13610

what is parameterset?

Wipro,

4 11151

j1,j2,j3 jobs r runing iwant to run j1,j3 after j2 how to do this using sequencer? 2)j1,j2,j3 jobs r runing iwant to run j1,j2,j3 how to do this?

Wipro,

1 6854

8000 jobs r there i given commit, suddenly job will abort? what happens? 2)diff b/t transformer stage & filter stage? 3)how to load the data in the source?

Wipro,

2213

How to create a file using vi editor? 2)how to delete a file in vi editor? 3)How to connect the server datastage to unix? what r the command lines we r using? 4)30 jobs r runnig in unix i want to find out my job. how to do this? give me command?

Wipro,

2615

1) In a dataset how to delete a single row? 2) i have 50 rows , i want to display 5-7 records only? How to write the sql query? 3)i have 40 rows,i want to display last row? write sql query?

Wipro,

7 19932

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 ?

Wipro,

2024

I have source data like this col1 col2 col3 5 3 8 6 2 9 7 1 10 and i want to get target as col1 col2 col3 5 1 8 6 2 9 7 3 10 which transformation i have to use and how?

3 6522

Hi, source data is col1 values are 5,6,7 col2 are 3,2,1 col3 are 8,9,10 and i want to get target as col1 5,6,7 col2 1,2,3 col3 8,9,10 how to do this one?

6 8894

If the Hi-rarchies are not defined in the universe level .Is it possible to do in the report level?

Infotech,

3 6383

Can we get the data from two different databasess in reporting level?

Infotech,

1 5989

What is the pivot option ? what is the need of it?

Infotech,

1 4854

How maually can i define ? If thousends of records exists in a table?

Infotech,

1 4878

Is it mandatory to give a cardinality ? If cardinality is not given what will happen?

Infotech,

4 11325

Can i use personal database connection to the Webintellegence reports?

Infotech,

1 4439

Un-Answered Questions { Data Warehouse }

What are symget and symput? : sas-macro

1315

for what purpose would you use the retain statement? : Sas programming

1096

Explain fallback in teradata?

1064

how do you debug and test your sas programs? : Sas programming

1126

Can you explain players in datastage?

1199

name the prompt which are available in cognos?

how to connect datamarts

2794

whom do you report?

1932

What is ods (operation data source)?

997

How to convert a numeric variable to a character variable?

1209

Explain the difference between the truncate and delete commands?

1167

What is use Array size in datastage

1779

What are the different functions included in the server software?

1034

Where we use surrogate key explain with example?

1132

Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?

1131

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