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

Data Stage Interview Questions

Questions Answers Views Company eMail

What is the difference between lookup and sparse lookup?

1 6993

why dataset ?

2 6121

Which is the best institute in Hyderabad to learn OBIEE and DataStage?Please tell me faculty name also

3217

Is it possible to implement parallelism in Mainframe Jobs ? If Yes how ? If no why ?

IBM,

2323

How to work with XML out put stage? Please explain step by step? i need to generate XML file using Table data. Given is the .XSD file. Please help?

TCS,

2 8223

How to convert table data into xml file using xml output stage? please explain step by step;

IBM,

2 20163

Source Like department_no, employee_name ---------------------------- 20, R 10, A 10, D 20, P 10, B 10, C 20, Q 20, S and Output should be like this department_no, employee_list -------------------------------- 10, A 10, A,B 10, A,B,C 10, A,B,C,D 20, A,B,C,D,P 20, A,B,C,D,P,Q 20, A,B,C,D,P,Q,R 20, A,B,C,D,P,Q,R,S

3 10136

how to change left and right links in join stage?

Cap Gemini, IBM,

4 10547

what is meant by port ? what is the use of port ? what are the different type of ports and its usage

Accenture,

2 9210

Hi Every one, I have a scenario plz suggest me 1)On daily we r getting some huge files data so all files metadata is same we have to load in to target table how we can load? 2) One column having 10 records at run time we have to send 5th and 6th record to target at run time how we can send? Hi plz help me for above scenarios and If any one is having JobSequence kindly send me one example and the scenario to my mail ID(nrvdwh@gmail.com)

HSBC,

3 10400

A table containg 100 records B table containg 20 records we have to join two tables in left outer it containg target 100 records but target containg 101 record at that time what is the issue arise

Polaris,

3 9741

Is there no issue when you try to convert a NOt null column in nullable and vice versa in aggregator styage and transformer stage? When I tried i got the warnings but in a running code I can see such type of scenarios. Please explain

2 6224

Input Data is: Emp_Id, EmpInd 100, 0 100, 0 100, 0 101, 1 101, 1 102, 0 102, 0 102, 1 103, 1 103, 1 I want Output 100, 0 100, 0 100, 0 101, 1 101, 1 Means Indicator should either all ZEROs or all ONEs per EmpId. Impliment this using SQL and DataStage both.

IBM,

6 12621

What is the Environment Variable need to Set to TRIM in Project Level?(In transfermer, we TRIM function but I need to impliment this project level using Environment variable)

IBM,

2444

How to remove ctrl M or(^M) characters in file using Sequential File stage?

Bank Of America, Satyam,

2 22357

Post New Data Stage Questions

Un-Answered Questions { Data Stage }

what should be ensure to run the sequence job so that if its get aborted in 10th job before 9job should get succeeded?

1462

Why do you need stage variables?

1231

AGGREGATOR default datatype

1526

How rejected rows are managed in datastage?

1577

Explain the datastage parallel extender (px) or enterprise edition (ee)?

1281

What is the project in datastage?

1167

What is the difference between server job and parallel jobs?

1202

Differentiate between operational datastage (ods) and data warehouse?

1234

What are some prerequisites for datastage?

1172

Have you used Unstructured data?

1374

Which warehouse using in your datawarehouse

2239

What is the difference between datastage and datastage tx?

1117

How do you remove duplicate values in datastage?

1198

how to use self join using datastage ? can u tell me using stage how can we implemnet the self join

5194

Explain Quality stage?

1211

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