Data Stage Interview Questions
Questions Answers Views Company eMail

What is the default execution order of the sequential file?

3 12132

Can we use sequential file as source to hash file? Have you do it ?if what error it will give?

SS Solutions,

1 6018

How many input links can you give to a Transformer stage?

6 24665

Can aggregator and transformer stages use to sort the data? How ?

2 11548

how CAN we remove duplicates in dataset?

IBM,

2 8744

Is it possible to query a hash file?

IBM,

1569

How u implement the slowly changing dimensions if my source table is consisting of cid,cname,add,phno,email but i need to capture the changes for first three columns how u implement?

IBM,

1 5561

i want send my all duplicate record one tar and all uniq records one target how we will perfome explain example: input data eid 251 251 456 456 951 985 out put/target1 251 251 456 456 out put/target2 951 985 how we will bring

Bank Of America, IBM,

13 16936

how many datamarts we will use in real time project and when will use the datamart?pls send the replay early

Tech Mahindra,

2 8716

how many dimentions and fact tables used in your project and what are names of it?

Tech Mahindra,

3 9064

source contains 2 columns comes to target 4 columns how

IBM,

1 4460

how to validate the jobs

IBM,

2 6651

Main Function of the Staging area in DWH ?

2 5458

In my previous project we get data from mainframe and load it into datastage DB2 tables.Sometimes we get data as flat file or a mainframe tables itself directly we fetch the data.Is this a migration project?

TCS,

1 5714

Can anybody tell me in detail any complex datastage job? I have worked only in direct load and full refresh jobs.But in all interviews this question arises

TCS,

1 3250


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Un-Answered Questions { Data Stage }

What is Ad-Hoc access? What is the difference between Managed Query and Ad-Hoc access?

2547


Explain the situation where you have applied SCD in your project?

1568


How we can covert server job to a parallel job?

601


What is difference between server jobs & parallel jobs?

625


Describe link sort?

652






What are the primary usages of datastage tool?

627


What is staging variable?

626


Is possible to create skid in dim,fact tables?

2195


How to write a expression to display the first letter in Caps in each word using transformer stage ? Please let me know ASAP Thanks in advance...

1088


how to export or import the jobs in .ISX file

724


What is the difference between hashfile and sequential file?

728


Differentiate between data file and descriptor file?

621


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?

1786


What are the different common services in datastage?

708


What is the precedence of stage variables,derivations, and constraints?

604