Get the specific row from stage file basis on the two columns

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Hi Experts,

Can I get the specific row values from the stage file basis on the two columns in the file without looping. For example: Below is the file strcuture.

FirstName,LastName,Email

A,B,a@gmail.com

X,Y,x@gmail.com

Can I get the Email basis on FirstName and LastName from the file without loop.

 

If yes, please guide me.

Regards,

Ankur