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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Why fact table is in a normal form?

1 1045

Explain the main difference between inmon and kimball philosophies of data warehousing?

1 1036

How to load the time dimension?

1 1084

What are the advantages of raid 1, 1/0, and

1 1041

Where do we use semi and non additive facts?

1 1057

In microstrategy, how can we direct the sql generated to use a specifc table?

1 1117

Explain the main differences between star and snowflake schema?

1 1062

Explain me what are data marts?

1 1129

Explain what is type 2 version dimension?

1 1075

Hyperion is the one of the tool in data ware house. Its an olap tool. Why you cant display that tool?

1 1115

Explain what is the difference between a primary and secondary actor in use case modeling?

1 1136

How are the dimension tables designed?

1 1066

What is cubes?

1 1124

What is analytical or analytic mean?

1 1208

What are non-additive facts in detail?

1 1075


Un-Answered Questions { Data Warehouse }

How to write the query . eid enm doj dob i want to display the names who worked more than 25 years .

1850


How would you format some text using css to be verdana and bold?

1150


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


Tell me about your experience in informatica? what is best mark you can give yourself? How to answer this question?

8288


If I wanted to run a TPump job only once per day - basically working on a file that is produced once per day - how would you set up the parameters for that sort of job ?

2547


draw informatica architecture 8.6 ?

3947


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!!!

2264


explain in detail about type 3?

1087


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


Hi, If any hav Informatica n DWH FAQ's,Plz do fwd to s.rajanikanth1980@gmail.com Thnx Vani

2343


EXL informatica Questions

1461


Hi Friends, Am Priya,new to your forum. am looking for Interview questions on SAS Platform Administration. I searched everywhere but I couldn't find them,please can anyone help me with complete interview questions normally everyone will face in the interviews on SAS Administration. am really facing problems in the interviews,am not able to answer any of their questions. I would really appreciate all your help if you can email the complete Interview Questions to priyafeb84@gmail.com Kindly awaiting for your reply with eager

2152


how we can create a FLAG datasets? Ex:-ID age_group no_persons 1 to 10 10 to 20 3 11 to 20 21 to 30 7 21 to 3o 31 to 40 5

2176


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.

2814


Write the unconnected lookup syntax and how to return more than one column.

1174