#46. Azure Data Factory - Select Transformation to Choose/Rename/Reorder columns in Mapping Dataflow

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Select transformation is similar to select query we write in relational database languages. It is used to Select\Rename or give alias\reorder the input columns before writing to a sink. Watch this video to know more about different kinds of mapping including fixed, rule based or auto mapping.
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How dynamic a column should be in 1st column position in data flow?

cutenk
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During the use of Select transformation, Data type is gettting changed, could you please help on this? thanks.

SandeepChicholikar
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Hi mdm, Can we change datatype of a column in Sink dataset?

shaikanas
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Hi madam I have 5 parquet files i have to take only selected columns for example if a file contains 50 columns i have to take 25 like wise for all the files can we do it in single data flow? Pls guide

karnatimanikantareddy
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Can u create a video to capture the last modified date in the folder

sunilpatil