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Difference between static cache and dynamic cache
Static cache Dynamic cache U can not insert or update the cacheU can insert rows into the cache as u pass to the target The informatic server returns a value from the lookup table or cache when the condition is true.When the condition is not true, informatica server returns the default value for connected transformations and null for unconnected transformations.The informatic server inserts rows into...
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What is the target load order?
U specify the target loadorder based on source qualifiers in a maping.If u have the multiple source qualifiers connected to the multiple targets,U can designatethe order in which informatica server loads data into the targets.
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What is batch and describe about types of batches?
Grouping of session is known as batch.Batches r two types Sequential: Runs sessions one after the other Concurrent: Runs session at same time. If u have sessions with source-target dependencies u have to go for sequential batch to start the sessions one after another.If u have several independent sessions u can use concurrent batches. Whch runs all the sessions at the same time.
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How the informatica server increases the session performance through partitioning the source?
For a relational sources informatica server creates multiple connections for each parttion of a single source and extracts seperate range of data for each connection.Informatica server reads multiple partitions of a single source concurently.Similarly for loading also informatica server creates multiple connections to the target and loads partitions of data concurently. For XML and file sources,informatica...
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Can u copy the session to a different folder or repository?
Yes. By using copy session wizard u can copy a session in a different folder or repository.But that target folder or repository should consists of mapping of that session. If target folder or repository is not having the maping of copying session , u should have to copy that maping first before u copy the session
Informatica Interview Questions
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