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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Could any one to tell Fact table Partitioning?

2 7188

how can i generate a report by getting values from two reports. the generated report should contain the 5 values of first report and last 5 values of second report. can any one guide me on this. pls... awaiting for the rply..

1 4973

1)can anyone explain how to use Normalizer transformation for the following scenario Source table | Target Table | Std_name ENG MAT ART | Subject Ramesh Himesh Mahesh Ramesh 68 82 78 | ENG 68 73 81 Himesh 73 87 89 | MAT 82 87 79 Mahesh 81 79 64 | ART 78 89 64 | please explain what should be the normalizer column(s) The GCID column 2)Also please explain the Ni-or-1 rule.

FCS, IBM, Satyam, TCS,

5 27849

first of all i want say thanks to Zilanibasha, As u said that now these days Cirtification in cognos8 is only possible. Will u like to tell me in detail How i apply for cirtification As i m very much Interested.

1 4080

IN SCD TYPE 1 WHAT IS THE ALTERNATIVE TO THAT LOOKUP TRANSFORMATION ?

HP,

4 21167

TWO FLAT FILES ARE THERE , EACH HAVING NO MATCHING COLUMNS . HOW CAN U JOIN THESE TWO USING JOINER TRANSFORMATION ?

HP, TCS,

6 20010

two tables from two different databases r there . both having same structure but different data . how to compare these two tables ?

HP, Patni,

10 25417

ONE FLAT FILE IS THERE WHICH IS COMMA DALAMETED . HOW TO CHANGE THAT COMMA DELEMITER TO ANY OTHER AT THE TIME OF RUNNING ?

HP,

3 12393

A TABLE CONTAINS SOME NULL VALUES . HOW TO GET (NOT APPLICABLE(NA)) IN PLACE OF THAT NULL VALUE IN TARGET .?

HP,

5 16999

Three date formats are there . How to change these three into One format without using expression transformation ?

HP,

3 11904

What is exact difference between Parallel Jobs and server Jobs..

IBM,

7 20462

How can we run same job in 1 day 2 times

IBM,

4 18513

Wat is pre-load in Hashed file

Patni,

1 10238

How can we run same job in 1 day 2 times

IBM,

7 23790

What is exact difference between Parallel Jobs and server Jobs..

DELL, IBM,

8 60827


Un-Answered Questions { Data Warehouse }

can anybody send me some real time screenshots of mapping in informatica powercenter. i will be vary thankful to him. my e-mail id :- prakashkumar.kumhar@gmail.com

4796


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.

2810


can anyone provide link to download cognos 7.2 version for download along wiht installation and configuration steps tx in advance

2306


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

1847


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

4259


How do you remove duplicate records in informatica? And how many ways are there to do it?

1231


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!!!

2257


Explain scd type 3 through mapping.

1070


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

1174


What is the difference between business requirement document and use case document.

1079


What is dimensional table? Explain the different dimensions.

1267


faq's on cognos

4112


hi frnds any body have cognos projects plz send me two(or)three projects to my mail adress ramureddy.reddy4@gmail.com.

2059


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

1196


What sort of existing documents should business analysts refer to when starting on a new project?

1078