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Data Warehouse Interview Questions
Questions Answers Views Company eMail

every DWH must have time dimension so now what is the use of the time dimension how we can calculate sales for one month,half-yr'ly,and year'ly?how we are doing this using time dimension.

IBM,

1 5227

What is diff between connected and unconnected lookup?

BirlaSoft, Blue Star Infotech,

5 9305

What is diff joiner and lookup

BirlaSoft,

4 8839

what is mapping parameter and mapping variables

BirlaSoft,

1 5289

if i am having 10 records in source, i want 20 records in target...how will you do it

BirlaSoft, IBM,

13 19229

without matching columns in two tables. how can you join

BirlaSoft,

5 11830

how to call lookup qualifer in unconnected look;up

BirlaSoft,

1 5789

What is differnce between Error code and Error Level in Bteq

IBM,

6 39706

Can we take collect stats on Dervied Tables and Volitable tables, What is Golabal Temporary table what is the use of this Golabal Temporary table ,When we create any kind table in Teradata it will show in Golabal Temporary table

IBM,

6 21686

can any 1 put a difference between datastage 7.5 and 8.0 all concepts plz r mail 2 me anu4u09@gmail.com

IBM,

4 8473

How to load Session Statistics (Workflow name, TgtRows, Rejected Rows, SessStartTime,SessEndTime..)into a database table ?? Another Question: I want to pass values from oracle table or Flat file in Mapping parameter/Variable.. What is the method for that..Please provide me the solution step by step

1 7941

can any one explain me what i have to tell about insurance project in interview,,,,when he asked to tell about ur project

1 2599

what is crosstab space

IBM,

1 13683

I have in my source Records like 100,101,102 etc. I have router transformation which has groups like one group is empno=100, second group is empno>99. Now i want to know my source record 100 loads into which group?

Span Systems,

5 8586

My Source qualifier has empno, sal. Now my mapping is like SQ(EMPNO)->AGGR->EXP->TARGET SAL ------------>TARGET ? Is this mapping valid or any issues are there if we design like this?

Span Systems,

3 6586


Un-Answered Questions { Data Warehouse }

hi, this is harish. i had finsihed cognos course recently.can some one help in the area of project explination, interview questions,real time scenarious....this is my maild id nanagupta907@gmail.com

1998


1)s.key generate 1 to 700 records today. tomorrow another 400 will updated how to update the records using s.key generator? 2)source is like :-- DB --> T/F stage1 --> seq1file T/f 1 is linking with T/F2 ---> seq 2 how to load the data? in source i given some conditions those r going in seq1. The another data will going to seq2 how to do this ?

2084


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

2303


I have 2 doubts regarding the "Input Control" functionality in BI4: 1) Can the Input Controls in BI4 be manipulated? I mean, can we change the IC display as BOLD or change the values from Italics to regular? Or change the colors? 2) How to get hierarchy type control in IC? Let's say my first IC is for Country and second is for State. If I select a particulat country from Ist IC,second one should show me states belonging to selected country. Is that possible? Thanks in advance!!!

2266


explain about your project architecture in ssis..could u please send to my mail..vinod.kjvk@gmail.com

4192


Hi, Does anybody has lastest SAS certification(base, adv., clinical)dumps,if anybody has please email me at mailtorajani76@gmail.com. Thanks

2313


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

2169


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..

1964


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

1212


Source has 2 columns: USA,NewYork INDIA,MUMBAI INDIA,DELHI UDS,CHICAGO INDIA,PUNE i want data in target like below: INDIA,MUMBAI1 INDIA,DELHI2 INDIA,PUNE3 USA,NEWYORK1 USA,CHICAGO2

847


What is dimensional table?

1166


HI, Anybody is having informatica Dumps,if it there Can u send to my mail id :sathesh.cool@gmail.com

2107


Explain scd type 3 through mapping.

1076


can any one help me now i am learning AB Inito but i don't have material and pdf's can any one provide pdf's to this mail id mohanraju0113@gmail.com thanks in advance...................................

2334


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)

2795