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Data Stage Interview Questions
Questions Answers Views Company eMail

What is the default execution order of the sequential file?

 3 13774

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

SS Solutions,

1 7009

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

 6 27005

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

 2 12577

how CAN we remove duplicates in dataset?

IBM,

2 9746

Is it possible to query a hash file?

IBM,

2012

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 6326

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 20624

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

Tech Mahindra,

2 9798

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

Tech Mahindra,

3 10471

source contains 2 columns comes to target 4 columns how

IBM,

1 5171

how to validate the jobs

IBM,

2 7609

Main Function of the Staging area in DWH ?

 2 6486

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 6426

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 4233

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Un-Answered Questions { Data Stage }

What is meta stage?

1182

There are two file are there .1st file contains 5 records and 2nd file contain 10 records in target they want 50 records.how can achieve this

2244

What are the repository tables in datastage?

1307

Differentiate between operational datastage (ods) and data warehouse?

1178

What are datastage sequences?

1118

Define APT_CONFIG in Datastage?

1080

How to read the length of word in unix?

1380

Why fact table is in normal form?

1251

How do you remove duplicate values in datastage?

1151

What is the difference between datastage and informatica?

1118

How many types of sorting methods are available in datastage?

1073

On which interface you will be working as a developer?

1043

What is the roundrobin collector?

1099

Define Job control?

1146

How do y read Sequential file from job control?

15960

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