What are the informatica performance improvement tips


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What is difference between Informatica 6.2 Workflow and Informatica Workflow 7.1

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what is dimension table?

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source table have 3 records? and it is sucessfully loaded into target. and 4more records is added in to source .that means 7 records now in source. we have to load the remaining 4 records into the same trgt table with maintian top 3 records. how ?can any one give me the data flow of this logic plz?

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How will restrict values in 0-9 and A-Z and a-z and special character.Only allowed these chars otherwise we will reject the records? what is the function we used to restrict...

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can we use bulk loading when we use look in mapping

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How do you update the records with or without using update strategy?

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What are the types of schemas we have in data warehouse.

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why we use stored procedure transformation?

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1)What is Data Masking in informatica? 2)How to restrict junk characters while loading data into target. 3) what happen if i won't pass sorted input in a transformation.

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