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

How to create repository in abinitio for stand alone system(local nt)?

1 1314

How do you convert 4-way mfs to 8-way mfs?

1 3425

What is m_dump?

1 1293

How can you force the optimizer to use a particular index?

1 1144

Describe the grant/revoke ddl facility and how it is implemented?

1 1216

When running a stored procedure definition script how would you guarantee the definition could be rolled back in the event of problems?

1 1203

What is the purpose of having stored procedures in a database?

1 1234

What is the difference between a scan component and a rollup component?

1 1247

Explain the difference between the truncate and delete commands?

1 1224

Describe how you would ensure that database object definitions (tables, indices, constraints, triggers, users, logins, connection options, and server options etc)are consistent and repeatable between multiple database instances (i.e.: A test and production copy of a database)?

1 1203

Can anyone give me an exaple of realtime start script in the graph?

1 1128

What is the difference between dml expression and xfr expression?

1 1174

How would you find out whether a sql query is using the indices you expect?

1 1129

What is $mpjret?

1 1210

How can I run the 2 gui merge files?

1 1246

Un-Answered Questions { Data Warehouse }

How much data hold in one universe 336 can any one explain about core dimension, balanced dimension, and dirty dimension?

1193

what are the dimensions that you have in your current project?list them?

2086

hi..i'm searching on cognos.i want to know some real time explanation..persons who have real time exp and who r searching in this field..can u send ur mail-id..my mail-id is dhaanuus@gmail.com..hope u will respond as soon as possible..

1951

What is dimensional table?

1145

How do you load more than 1 max sal in each department through informatica or write sql query in oracle?

1654

1. When u r checking out what ll happens for version no? a. Increase b. decrease c.reset to 0 d. reset to 1 e. no change 2. Salary of all employees needed to add with the commision. What transfrmation to be used? a. SQ and Expression b. SQ c. Update Strategy d. Expression 3. Which of the task is used to run a session based on success of the other session? a. Decision b. Event wait c. Email d. Command e. None 4. Types of sources in Informatica? a. Homogenous n Heterogenous b. None c. Cobol n XML d. Flat files e. Flat files and Homogenous n Heterogenous 5. Servers are available in informatica? a. Informatica Server and Workflow server b. Informatica Server and Informatica Repository Server c. Informatica Server d. Workflow server e. Informatica Repository Server 6. While using Pmcmd in cmd line mode, each command must include the connection info of which of the following? a. workflow manager b. Power Center server c. Workflow monitor d. Repository manager e. Designer 7. Workflow montior displays workflows that have run a. once b. twice c. never d.four times e. thrice 8. Mode for handling sessions n workflows? a. server mode b. Wait mode c. Command line mode d. User mode e. Interactive mode 9. Connection details configured in? a. Mapping designer b. Workflow manager c. Workflow monitor d. Repository manager e. Worklet designer Thanks in Advance

4249

Explain have you ever been in a real dilemma at work? What did you do to get out of it?

1026

Demonstrate experience in maintaining quality process standards?

2658

Hi send me the Teradata dumps to my id rajeshanantha@yahoo.co.in Thanks Rajesh. A

3439

How do you load first and last records into target table? How many ways are there to do it? Explain through mapping flows.

1189

Explain about a time when you discovered a more efficient way to do a work task?

1214

how to generate the test data in sas without input data? : Sas-administrator

1194

what are the names of the reports that you prepared?

1185

faq's on cognos

4108

What are the data types present in bo? What happens if we implement view in the designer and report?

1076

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