What are the differences and similarities between all the 3 methods of sending and receiving data?
methods are:
proc export and proc import,file and infile statement and export wizard and import wizard.
try a google search
compare import export methods site:sas.com
Here's one
http://support.sas.com/resources/papers/proceedings11/074-2011.pdf
What's the purpose of this question? What are you trying to determine?
You may need to provide some parameters for this question as Base SAS, EG and SAS Studio or University edition may have somewhat different behaviors for, or even existence of, wizards.
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