Un-Answered Questions { ETL }

when will use SQL override in a lookup transformation?

1864


Two default user groups created in the repository are____and_____.

1637


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?

1441


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.

1620


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

4254


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

1720


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

1918


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

1549


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

1505


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

1430


what is dynamic insert?

1703


what is pmrep command?

1946


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

1533


what are Lookup caches options? Including persistent caches.

1429


Difference between flat files and relational sources?

1722