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Data Warehouse Interview Questions
Questions Answers Views Company eMail

1. what are the differences between prompt at universe level and prompt at report level ? 2. what are the connection types in BOXI ? 3. how do we give the security in universe level ? and report level ? and objects level ? 4. what will happen if we check the 'MULTIPLE SQL STATEMENTS FOR EACH MEASURE' option in Universe SQL parameters ?

Mphasis,

2 10914

I have 4 columns in a table say, name ,address, salary and city. So based on distinct city names, i need to combine the other data and send it to a flat file. Distinct city names can be 4 or 5 or 6. So it has to dynamically generate flat files(4 or 5 or 6) corresponding to the city names.

2 6276

data abc; input x y ; cards; 1 2 5 6 7 8 7 8 1 7 5 7 ; run; Proc Freq data=abc; tables x*y / chisq nopercent nocol norow PLCORR; RUN; If we run the code, we have Polychoric Correlation = 0.9054 in the last table. I want to extract this particular entry with the value. Means I will create one dataset in which this value will be stored/extracted. I need your help in coding this. Please help me out.

2 5977

how to add duplicte rows to the existing report in webi ?

HCL,

1 9109

Synchroness 1.What are hash prompts? Ans: Tree prompts in which hierarchies can be seen,they can be said as hash prompts. 2.User wants to see 5 more coloums in the report.We have package and data base,how will u implement using it in report.? Ans: 3.What is automatic optimization?what is optimization?what are the properties you set for optimization in report studio? 4.what is command to display first 10 records from a table? IGATE 1.In FM if we change a fact symbol to attribute,will it effect the report? 2.If a report is slow in generating output. How do u perform tuning? How do u reduce joins in sql? Using left outer join is it going to improve the report performance? IBM 1.How do you configure ? 2.How do you drill through report from RS to Analysis studio?

IBM,

4807

In my sourse i have like ename,gender vasu,male geetha,female ram,male suma.female kesav,male in my output i need male,female vasu,geetha ram,suma kesav

5 8932

HOW CAN I SEND HALF OF THE RECORDS TO ONE TARGET AND REMAINING TO OTHER TARGET?

6 11903

hOW CAN WE DELETE A RECORD OR TRUNCATE IN TARGET TABLE USING SQL T/R ?

4 11639

. Design a mapping, first two phone calls received by a customer must be represented as "Home" , "Office" and the next calls must be concatinated and represented as "Other".Look at the below tables :: Source Definition Customer Phone_Number A 9848403211 A 9812675432 A 9112356788 A 9876503276 B 9567890765 B 9876098567 AND THE TARGET IS Customer Home Office Other A 9848403211 9812675432 9112356788,9876503276 B 9567890765 9876098567 Null

3 7018

how to test the reports if there are multiple sql statements?i,e if there is 1 single sql statement we can copy it and paste it in TOAD or someother tools to test it but if we have multiple sql statements in a single query????

IBM,

1 5186

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...................................

2319

what is threshold error in informatica?

TCS, Wipro,

1 20659

Work flow failed when it is set to Bulk mode but it was successful when set to normal mode y??(All the connections are fine and exactly correct)?

Wipro,

11 24857

In Lookup transformation a sql override should be done and disable the cache how do you do this procedure?

Wipro,

2 8764

In Lookup transformation a sql override should be done and disable the cache how do you do this procedure?

Wipro,

1 8042


Un-Answered Questions { Data Warehouse }

Plz can any one say me how to get the informatica certification materials and dumps

2105


What is the difference between constraind base load ordering and target load plan?

1160


Difference between stored procedure and macro?

1224


Could you explain what is enterprise data warehouse?

1232


hi,can you please share with me about,what is reportlimit,report order and how can create and use

5331


Can we get 1st record through Informatica(without sequence number).

1522


What are the performance considerations when working with aggregator transformation?

1213


How many number of sessions can one group in batches?

1220


data data1; input dt account; format dt date9.; cards; 1745 1230 1756 1120 1788 1130 1767 1240 ; data data2; input startdt enddt total; format startdt date9. enddt date9.; cards; 1657 1834 12300 1557 1758 16800 1789 1789 12300 1788 1345 12383 1899 1899 13250 ; proc sql; create table data3 as select * from data1 as x left join data2 as y on x.dt>=y.startdt and x.dt<=y.enddt; quit; Here, we are getting cartision product. But,I want left join report consisting of this program. It should not get duplicate values. you can modify the program also.

2256


explain in detail about type 3?

1073


What is the maximum and minimum length of macro variable

1355


BO Security (creating the restriction sets in Universe and applying on selected groups or users) or Database security (Creating the tables in database insrting the user details in that tables and giving conditions in self restricting joins in Universe )Which Security will improve the performance of the reports and for best practices ? I am thinking BO Security will give the better performance, could you please share your thoughts on this please... Thanks...

2228


How transaction file different from that of a sort file?

1471


Explain usage analysis in datastage?

1226


Explain the various test procedures used to check whether the data is loaded in the backend, performance of the mapping, and quality of the data loaded in informatica?

1061