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

Teradata (490)
Business Objects (875)
Cognos (1143)
Informatica (2428)

SAS (1049)
Micro Strategy (282)
ETL (315)
OBIEE (92)

Data Warehouse Interview Questions

Questions Answers Views Company eMail

What are the important features of datastage?

1127

Can you define merge?

1123

What are the different types of lookups in datastage?

1054

What are the different options associated with dsjob command?

1439

What is meta stage?

1181

What is the difference between datastage and datastage tx?

1066

What are the some differences between 7.x and 8.x version of datastage?

1255

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

1154

What is the command line function to import and export the ds jobs?

1153

How you can fix the truncated data error in datastage?

1791

Define tm1 architecture?

Why did ibm cognos tm1 web change the technology from .net to java?

Can tm1 web be set up for load balancing?

Where is tm1 web logging information found?

Can you explain cognos tm1?

Un-Answered Questions { Data Warehouse }

Briefly define reusable transformation?

1128

How to update source definition?

1087

How to open a universe with out using the Designer ??

7602

How to load data in informatica ?

1021

What does “tail –f” command do and what is its use as an Informatica admin.

1107

what is the difference b/w the refresh and buffered data?

2342

Explain parsing engine in teradata?

1090

What is tracing level? How many types of transformations supported by sorted input?

973

Is there any target staging area in informatica not staging area

2578

What are the functions which are used for character handling functions?

1146

What is meant by a Highest Cost Plan?

1063

what is information maps?

2221

How many numbers of sessions can one group in batches?

1064

How to read multiple files using a single datastage job if files have the same metadata?

1252

Explain a mapping, session, worklet, workflow, mapplet?

1106

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