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 confirmed Dimension? what is Factless Fact? give one example? What are Additive, Semi-Additive Facts?

TCS,

1 6350

diff between OLTP and OLAP? what TOP-DOWN and BOTTOM-UP Approach? which is best? what are Star Schema and Snow Flake Schema?

TCS,

2 7111

Display all files which have size more 3KB in given directory/folder.

TCS,

1 4972

I want capture UnMatched records from Primary source and secondary source in JOIN stage?

TCS,

3 14212

Unix Qn asked in datastage interview: I have diff type(.txt, .tmp, .bat etc) of file in 4 diff directories, I want move all '.txt' file from 4 directories to other folder. And need to delete all the files except which are created TODAY?

TCS,

2 8996

I have Seq file, I don't want 10, 11th(or any two records like 20, 30th records ) records in the output

TCS,

6 12323

I have load a Dataset in UAT with 2 Node configuration, imported the job into PROD environment which is 4 node configuration and using this DataSet as SRC to other job. will the job run fine or give any errors? If job runs fine, on how many nodes? 2 nodes or 4 nodes?

TCS,

2 13727

I have a input as: Col 1 1 2 2 3 I want 3 output as: Output1: 1 1 Output2: 2 2 Output3: 3 i.e. same duplicates should be in one target, other duplicate values should be in another target and so on.. Pls help

IBM,

9 13960

how can you generate sequence number using only the sequential file stage?

TIAA CREF,

3 17437

How to find value from a column in a dataset?

TIAA CREF,

2208

which is more expensive hash or modulus partitioning? when do you use modulus partitioning?

TIAA CREF,

2 7772

You enter values in a schema file for RCP and you also entered values in sequential file? which one will it take?

TIAA CREF,

1 7585

How do you load 10 different sources with 10 different layouts to 10 different tables?

TIAA CREF,

1 7366

what is operator combinality in datastage?

TCS,

1 7525

Hi guys, Design job sequence, we have 3 sources, in that 1st source in abort then only run the remaining sources.. How please design the job. Thanks.

IBM,

2 6921

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Un-Answered Questions { Data Stage }

What are the important features of datastage?

1129

What are stage variables and constants?

1152

Field,NVL,INDEX,REPLACE,TRANSLATE,COLESC

1419

What is a ds designer?

1071

i have a job with 3 possibiliies finish with ststus ok abbort warning how do you handle these 3 in job sequence? explain the situation where you have appiled scd in your project? chandu

2722

Hi, what is use of Macros,functions and Routines..? At what situation you are used. If you know the answer please explain it. Thanks.

2066

What is the project in datastage?

1116

what is the use of materialized view?

1575

Enlist various types of routines in datastage.

1259

To see hidden files in LINIX?

1532

Which commands are used to import and export the datastage jobs?

1414

How do you register plug-ins?

969

Could anyone give brief explanation bout datastage admin

2356

What are constraints and derivations?

1174

What is the difference between an operational datastage and a data warehouse?

1157

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