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Data Warehouse Interview Questions
Questions Answers Views Company eMail

how to know the attributes of first five datasets in a library

2 6295

what is meant by port ? what is the use of port ? what are the different type of ports and its usage

Accenture,

2 9127

what r the reports u faced critical and how it can be solved .. any once can u give a best ans for interviw

IBM,

2335

Hi Friends, Please tell me at What situations we use the Segment, Link in FM, What is the Main Difference functionality wise? Thank You

1 4536

Hi Friends, Just want to know, day to day is increasing or decreasing Cognos Usage in the Market? New Reporting tools to driving Reporting Market Spotfire, Tableau,Qlick View, some other New Tools. Which Reporting tool can generate Lot of Opportinities in the Market? Please Reply to this, My Advanced Thank to you. Thank You Kumar

2 5621

Hi Friends, What is the Max no.of rows in a report & a page? If we have Master, Detail Reports, I have define drill through, Requirement is When i run Master Report it should run in HTML, when i drill through to detailed report it should get into PDF is it Possible in Cognos? Thank You Kumar

2 5369

i have column like below studentid studentname sub1 sub2 sub3 1 aaa 40 70 90 2 bbb 60 80 50 i want to execute every student highest mark in which subject my o/p like below studentid studentname sub3 sub2 1 aaa 90 2 bbb 80

CTS,

12 18118

hi frnds i want to learn teradata utilities and teradata dba real time. i have 1+ years of experience in teradata. so i want to go deeply in Tearada. plz let me know at my email id who r best to learn from. im lookng for a realtime guy in HYD or Banglr. Thanks in advance. yedu my email-id: jakkayedukondalu@gmail.com@gmail.com

2901

if source contain 10records how you identify header and footer

Polaris,

2 7032

Hi Every one, I have a scenario plz suggest me 1)On daily we r getting some huge files data so all files metadata is same we have to load in to target table how we can load? 2) One column having 10 records at run time we have to send 5th and 6th record to target at run time how we can send? Hi plz help me for above scenarios and If any one is having JobSequence kindly send me one example and the scenario to my mail ID(nrvdwh@gmail.com)

HSBC,

3 10237

A table containg 100 records B table containg 20 records we have to join two tables in left outer it containg target 100 records but target containg 101 record at that time what is the issue arise

Polaris,

3 9645

What is limitations of truncate and load option

Cap Gemini,

1 9978

1 2 3 * 4 5 6 * 7 8 9 how to load records between two stars(*),

Cap Gemini,

10 14412

Design a mapping to get year of join for each employee.

Accenture,

4 9555

Can we combine a flatfile and a database table using an UNION transformation?

Accenture,

2 12882


Un-Answered Questions { Data Warehouse }

Explain piconet?

971


What is the purpose of pivot stage?

1185


What are pass-through functions and why they are so called? Give some examples.

1049


What is size of a transaction and an array means in a datastage?

1325


why use references rather than pointers in the public api, particularly for arguments which are modified?

1019


if the Id has more then two transcatiion then show the first observation, IF Id has only two observation then It show both the observation

1632


What is the difference between look-up file and look-up, with a relevant example?

1210


what is slowly changing dimension? : Sas-di

1141


What’s the difference between var b1 – b3 and var b1 — b3?

1373


how to develop dynamic dashboards, and what is the difference between static and dyanmic dashboards in report studion and need with example. plz mail me on this email id vasucognos4@gmail.com

4014


What is dynamic aggregation in microstrategy?

987


Can you explain model durability?

1077


Describe the scenarios where we go for joiner transformation instead of source qualifier transformation?

1139


in sap bi we have wad, then why we go for sap bo

3391


I have two queries in first query i have to show all values,in second query i have to show 3 values and want to hide 3 values what prompt ur going to use, why that prompt

2290