When will you use SQL override in a lookup transformation?
Answer / vanita
For filtering the data in lookup table using where clause, or joing multiple tables to select data or to change the default order by clause with your own order by clause
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what are factless facts? And in which scenario will you use such kinds of fact tables.
What is data caches/ index caches?
How to load dimension and fact in same mapping at same time.explain me the logic used for that scenario.
Explain factlessfact table with scenario
Define error Threshold?
what is Partitioning ? where we can use Partition?
what is upstream and downstream transformation?
what is runtime variable?
Hi I have been asked several times the following questions. 1.How does one do incremnental loading 2.Scenario - You are trying to load reasonable amount of rows into the target table, and its taking a helluva lot of time.What could be the reasons? I hate to answer these tw0 , gives me nightmares to even think of it!!! 3.Tell me any complex situation you have faced( as an Informatica Developer) and how did you resolve it. 4.tell me any complex mapping that you have done. All the experienced people out there , please please, reply to these questions.
write sql query following table amount year quarter 1000 2003 first 2000 2003 second 3000 2003 third 4000 2003 fourth 5000 2004 first 6000 2004 second 7000 2004 third 8000 2004 fourth i want the output year q1_amount q2_amount q3_amount q4_amount 2003 1000 2000 3000 4000 2004 5000 6000 7000 8000 can anybady help me to achieve the aboue result by using informatica. thanks in advance.
How can we use mapping variables in informatica? Where do we use them?
Why we use stored procedure transformation?