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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Hi im new to sas. I have a file with some charecter variables and some numeric variables now i want to load charecter variables into one datastep and numeric variables into another data step pls let me know Thanks

 2 2121

how do you pull data from equifax?tell me the process?

Synchrony Financial,

1369

what are the three main credit bureau names

Synchrony Financial,

1 2225

How can you join two tables without any common column present in them?

TCS,

1 2911

List the various vector functions used in ab initio with syntax.

 1 16660

I have 3 years of work experience at a startup and recently got certified in Data Science with SAS. I need to know how to get into the analytics industry

 1309

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

 1327

What is difference between Union and Union All ?

L&T,

1 2551

Explain your project of banking domian.

Cap Gemini,

1208

What are the difference between merge,auto merge and extended merge ?

Cap Gemini,

1 1843

Below is the table. Required to be output should be the highest number of each student_id. Example. Student_id Subject Marks 1 Hindi 86 2 Hindi 70 3 English 80 . Calculate sum and average marks for each group of student_id Example. Student_id Subject Marks Total Marks Average 1 English 40 181 60.33333 2 English 67 196 65.33333 3 English 80 160 53.33333 PLEASE PROVIDE THE CODE OF ABOVE PROBLEMS

Accenture, HSBC,

1 2245

i have 2 files. First file contains a,b,c,d as rows and second file contains 1,2,3,4 as rows. how do we make single a1b2c3d4 and 4 different rows a1, b2, c3,d4.

L&T,

4 9691

how to insert header after each group.

IBM,

1 2260

5. Consider the following products data which contain duplicate rows. A B C C B D B Q1. Design a mapping to load all unique products in one table and the duplicate rows in another table. The first table should contain the following output A D The second target should contain the following output B B B C C

 1394

How to convert a row into column and a column into rows? Name all DTM threads. What all threads stop when we issue STOP or ABORT? How to pass the value of a data(variable kind of) from one session ( generated in mapping) to another session in the same workflow... What are the tyoes of partitioning you know and how to apply them in real time ... Can partitioning be applied to expression transformation and how

CTS,

1117

Un-Answered Questions { Data Warehouse }

How to export mappings to the production environment?

497

What is a logical size of a table and what does it depend on?

529

How can you limit the variables written to output dataset in data step?

736

Define data aggregation?

658

Explain what are components of report studio?

562




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

516

can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge

1299

How can you communicate with web server (apache or iis) from coldfusion?

538

What all join we can perform in LOOKUP transformation?

552

Which is more efficient group by or distinct to find duplicates?

632

COL1,COL2 ABC,1 XYZ,2 HERE IN COL2 VALUES 1,2 NOT STSANDARD(IE MEANS NOT FIXED VALUES LIKE OTHER SOME VALUES LIKE 10,20) O/P IS COL1,COL2 ABC,2 XYZ,1

1522

How union transformation is used?

579

what is sas olap server? : Sas-di

680

What is the different between functions and PROCs that calculate the same simple descriptive statistics?

1217

Explain what is partitioning? What are the types of partitioning?

507

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