Un-Answered Questions { ETL }

when will use SQL override in a lookup transformation?

1874


Two default user groups created in the repository are____and_____.

1653


A mapping contains source table S_Time(stat_year,end_year) target table TIM_DIM(date,day,month,year,quarter) stored procedure transformation: A procedure has two parameters I_end_year and output parameter as O_date ,day , month, year, quarter, If this session is running, how many rows will be available in the target and why?

1448


two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.

1629


how do u handle performance issues in Informatica . where can u monitor the performance ?

4266


list and discuss two approaches for updation of target table in Informatica and how they are different.

1729


where are the log files generally stored.Can you change the path of the file.what can the path be?

1926


where is the cache (lookup, index) created and how can you see it.

1563


what are the session parameters? How do u set them?

1514


how do use session mapping parameters ?(in which transformation)

1438


what is dynamic insert?

1712


what is pmrep command?

1955


what happens if the info.server doesn't find the session parameter in the parameter file?

1537


what are Lookup caches options? Including persistent caches.

1444


Difference between flat files and relational sources?

1729