what is data modeling?


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HI, Anybody is having informatica Dumps,if it there Can u send to my mail id :sathesh.cool@gmail.com

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how do u decide whether u need to do aggregations at database level or at Informatica level?

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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.

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

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what are business components in Informatica?

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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?

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Mention few test cases and explain them?

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what is the difference between cardinality and Nullability?

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can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.

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what is the use of server manager?

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How can write SQL Overwrite to get Daynamic rows from the source in SQ transformation!(Any Example)

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What are the steps involved in etl process?

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