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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Field,NVL,INDEX,REPLACE,TRANSLATE,COLESC

CTS,

1 1485

CHANGE CAPTURE

CTS,

1 1371

AGGREGATOR default datatype

CTS,

1 1546

Have you used Unstructured data?

CTS,

1 1391

Triggers,VIEW,Procedures

CTS,

1 1285

How to RD using transformer?

CTS,

1 1517

How to Remove Duplicate using SQL?

CTS,

1 1453

Lookup constraints

CTS,

1 1319

Difference between JOIN,LOOKUP,MERGE?

CTS,

2 3262

EXPLAIN SCD

CTS,

1 1463

what should be ensure to run the sequence job so that if its get aborted in 10th job before 9job should get succeeded?

CTS,

1 1482

Terminate Activity

CTS,

1 1350

Notification Activity

CTS,

1 1478

How to reverse the string using unix?

CTS,

1 3623

How to reverse the string using SQL?

CTS,

1 1623


Un-Answered Questions { Data Warehouse }

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

4260


Name at least 5 different types of transformations used in mapping design and state the use of each.?

1212


I have two different source structure tables, but I want to load into single target table? How do I go about it? Explain in detail through mapping flow.

1239


i'm searching on cognos..i want to know real time scenarios..persons having real time exp or undertaking trainings or who searching on cognos...can send me the details...for proper guidence..for project and interview preparation..pls help me out..my mail-id is ammu2india@gmail.com..hope u will respond as soon as possible..thanks..

2766


What is dimensional table?

1162


hi i want to learn microstratogy please anyone help to me which institute is best in bangalore any one having related documents ,and video link please mail to this id avanthireddykv@gmail.com

2299


i want my connection to be dynamic. How can I make it. I mean the username and password should be dynamic. How?

2167


What r the names of the reports that you prepared?

1029


Hi, If anyone has base SAS certification dumps, please share.

1937


hi tell be about pfizer? how to compare the work with other companies ? please tell me how to login and work also?

2127


Hello, Can you please send the admin and advanced mapping design sample questions to ns_sharmin@yahoo.com?

2421


Hi I need real time senarios and how to explain project in the interview pls let me know my email id m.n.prathyusha@gmail.com.Please help me out with this pls pls pls muthireddi@gmail.com

2207


1)what is the size of Fact table and dimension table? 2)how to find the size of Fact table and dimension table? 3)how to implement the surrogate key in transform stage? 4)write the configuration file path? 5)how many types of datasets explain? 6)diff b/w developed projects and migration projects? 7)how to delete the header and footer file of the sequencer file? 8)how can u call the parameters in DS in unix environment? 9) how much data ur getting daily ? 10)

2792


Hi friends, what are the new features in abinito3.0?

2860


create a job that splits the data in the Jobs.txt file into four output files. You will direct the data to the different output files using constraints. • Job name: JobLevels • Source file: Jobs.txt • Target file 1: LowLevelJobs.txt − min_lvl between 0 and 25 inclusive. − Same column types and headings as Jobs.txt. − Include column names in the first line of the output file. − Job description column should be preceded by the string “Job Title:” and embedded within square brackets. For example, if the job description is “Designer”, the derived value is: “Job Title: [Designer]”. • Target file 2: MidLevelJobs.txt − min_lvl between 26 and 100 inclusive. − Same format and derivations as Target file 1. • Target file 3: HighLevelJobs.txt − min_lvl between 101 and 500 inclusive. − Same format and derivations as Target file 1. • Rejects file: JobRejects.txt − min_lvl is out of range, i.e., below 0 or above 500. − This file has only two columns: job_id and reject_desc. − reject_desc is a variable-length text field, maximum length 100. It should contain a string of the form: “Level out of range: ”, where is the value in the min_lvl field. My Question is how do you write the stage variable for reject rows.

2811