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Data Warehouse Interview Questions
Questions Answers Views Company eMail

How do you load 10 different sources with 10 different layouts to 10 different tables?

TIAA CREF,

1 7434

what is the difference between cubes and package in cognos

Cognizant,

1 5005

What is the difference between List and Cross tab? Could some on explain with an example..

Barclays,

2 7535

Can we provide Package level security to two different groups i.e for finace and HR depts should access only their data??

Barclays,

2 8396

Which one among Star and snowflake schemas will occupy more space?

Barclays,

1 8446

what is operator combinality in datastage?

TCS,

1 7601

Hi guys, Design job sequence, we have 3 sources, in that 1st source in abort then only run the remaining sources.. How please design the job. Thanks.

IBM,

2 7051

Hi guys, In sequencer job, we have 3 sources, in that 1st source have some records, Here requirement is 1st source records are 100 then only run the job otherwise total job will abort... How to calculate this. please design the job. Thanks.

IBM,

1 5979

Hi guys, please design job for this, MY INPUT IS COMPANY,LOCATION IBM,CHENNAI IBM,HYDRABAD IBM,PUNE IBM,BANGLOORE TCS,CHENNAI TCS,MUMBAI TCS,BANGLOORE WIPRO,HYDRABAD WIPRO,CHENNAI HSBC,PUNE MY OUTPUT IS COMPANY,LOCATION,COUNT IBM,chennai,hydrabad,pune,banglore,4 TCS,chennai,mumbai,bangloore,3 WIPRO,hydrabad,chennai,2 HSBC,pune,1 Thanks

IBM,

3 9278

Hi guys, 7. how to get this output i/p col1,col2 101,a 102,b 103,c 104,d o/p col1,col2 101,d 102,c 103,b 104,a Thanks

Cap Gemini, IBM,

2 9778

explain about completely flow of sequencers technicaly,without using example??explain about lookup,nullhandling?

CGI,

1 2570

Can we use two different sources in webirich client to create A report ? Like universe and excel etc...

PWC,

3 8007

WHAT IS INPUT CONTROL IN BO?

PWC,

3 10850

IF VIEW IS FASTER THAN DERIVED TABLE WHY WE ARE USING DERIVED TABLE IN BUSINESS OBJECTS?

Accenture,

1 7544

i am pursuing mca and i want to do tera data .so plz suggest me the best institue in hydrabad who teach real tym scenerio.

1 4606


Un-Answered Questions { Data Warehouse }

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

1224


What is rollup component?

1324


what are the names of the reports that you prepared?

1185


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!!!

2253


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

4249


How to create the source and target database connections in server manager?

1139


What is aggregate table and aggregate fact table ... Any examples of both?

1113


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

2299


Explain about a tricky situation for which you found a very simple solution?

1070


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.

2797


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 ?

2081


sas implementing companies in pune implementing clinical projects if anyone knows plz send ans immediately

3648


Demonstrate experience in maintaining quality process standards?

2658


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

1133


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

1164