Answer / rakesh

since Union Transformation is derived from CUSTOM Transformation which is active.

Answer / shobhan

if input number of rows are not equal to output number of rows, that would be Active transformation. In Union Transformation, input will more and output will be less. SO, this is a Active Transformation.

Answer / swathi

bcz union supports vertical merging

Answer / amedela chandra sekhar

Union it support only same metadata in both the tables.
it will execute same metadata.
it means reject the unmatched data.
so reject some records.
so it changes the no of records

what is the incremental agrrigation?

2 Answers   Cap Gemini,

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what is shared Cache. when we will use shared Cache?

4 Answers  

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One of the optimizing technique to improve the session performance is push down optimization,by using push down optimization we push as much as transformation logic to source/target database,but this degrades the d/b performance,how to overcome this?

0 Answers   TCS,

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What is the advantage of informatica?

0 Answers  

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Explain the use of aggregator cache file?

0 Answers  

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Howmany ways yoU can update a relational source defintion and what are they?

1 Answers  

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Is stop and abort are same in informatica?

0 Answers  

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can you please explain me pre session and post session options?

3 Answers   BTBP,

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Hi, In source I have records like this No name address 10 manoj mum 10 manoj dilhi 20 kumar usa 20 kumar Tokyo I want records in target like shown below No name addr1 addr2 10 manoj mum dilhi 20 kumar usa Tokyo If it is reverse we can do this by using Normalizer transformation by setting occurance as 2. Somebody will say use denoralization technique. But as of my knowledge I couldn’t find any denormalization technique. Is there any concept like that? I tryid this seriously but I could find any idea to implement this. Can any one please help me ? Advance Thanks

6 Answers   IBM,

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how to connect two or more table with single source qualifier?

4 Answers   IBM,

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What is the difference b/w natural key and surrogate key

1 Answers  

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What is aggregate cache in aggregator transforamtion?

5 Answers  

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