PreSql in Source Qualifier and PreSQL in Target in Informatica

I am not able to understand the different between PreSql in Source Qualifier and PreSQL in Target in Informatica. I read many other posts they told
pre SQL means " SQL statement executed using the source connection,before a pipeline is run" and post SQL means " SQL statement executed using the source connection,after a pipeline is run".
So if all PRESQL run at same point so why we have different PRESQL like PreSQL in SOurce qualifier and PreSQL in Target
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Anurag

  • Nov 27th, 2017
 

pre-SQL in SQ is use to run the SQL in source database and similarly preS-QL in target for target DB.
This is useful when the source and target database are different .

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