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Data Warehouse Interview Questions
Questions Answers Views Company eMail

How do you debug and test your SAS programs?

Quintiles,

1566

What can you learn from the SAS log when debugging?

Quintiles,

1392

What is the purpose of _error_?

Quintiles,

1 2717

Have you ever used the SAS Debugger?

Quintiles,

1766

How does SAS handle missing values in: assignment statements, functions, a merge, an update, sort order, formats, PROCs?

Quintiles,

1544

How many missing values are available? When might you use them?

Quintiles,

1 2469

How do you test for missing values?

Quintiles,

1643

How are numeric and character missing values represented internally?

Quintiles,

1665

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Quintiles,

4581

Design a mapping to calculate department wise sum of salaries and load it in single target? Source Target Deptno Salary Deptno Salary 10 100 10 600 10 200 10 600 10 300 10 600 20 200 20 800 20 300 20 800 20 300 20 800 30 400 20 1500 30 500 30 1500 30 600 30 1500

Cap Gemini,

1498

what is granularity in Data ware House?

IBM,

1733

Calculate sum of salaries department wise. Then the sum will be repeat for all columns in each department. Develop a mapping for this.

Cap Gemini,

2428

What is the difference between project backlog and product backlog?

IBM,

1545

SCD2 will work on only dimension tables as well as fact Table?

Infosys,

1402

Which transformation we use to convert 'NA' to 'Not Available'

 1271

Un-Answered Questions { Data Warehouse }

What is data validation strategies for data mart v?

1095

What is the difference between drill through, drill across?

1090

How do you define Teradata?

1041

What is meant by a node?

1047

What are the data types in sas?

1067

When and why we should use Redshift Spectrum?

5

What are cognos connection initial page components?

1145

How would you copy the content of one repository to another repository?

1025

what is the use of proc sql? : Sas programming

1137

What are the different problems that ?Data mining? can solve?

2837

What is meant by a Highest Cost Plan?

1064

How is Source Side push down optimization different to just providing a SQL override in Source qualifier transformation.

1789

what is the end to end process meaning in my project(my project is development)and functionality plz tell me

2017

How substr function works in sas?

1228

What is bteq utility in teradata?

985

For More Un-Answered { Data Warehouse } Questions Click Here