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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 2120

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 16659

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

 1308

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

 1326

What is difference between Union and Union All ?

L&T,

1 2550

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 9690

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

 1393

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 }

What do the sas log messages “numeric values have been converted to character” mean? What are the implications?

705

What is the difference between account and directory options ?

613

What makes sas stand out to be the best over other data analytics tools?

576

Hi Friends, Please send me Teradata Materials for certifications Thanks in advance !!

1689

Can we create two repositories on same database instance in oracle?

601




Define APT_CONFIG in Datastage?

655

Explain the data type of the surrogate key?

558

What are the types of data warehouses?

935

what are the data sources extracted from logistics cockpit in sap bw project and what is the requirement for it ?

2158

Mention some ways for improving performance of a graph?

605

What is index awareness in universe?

566

If a Node is busy what are the steps you can take to avoid ?

1865

Define project in datastage?

657

What is staging area referring to?

567

tell me 5 session failure in real time how can you solve that in your project?

1623

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