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In which case u go for libname and in which case u go for proc sql pass thru facilit diff?
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Answer / virat chary vadla
libname and PTF are both used to connecting sas to DB server(like oracle)
by using PTF you can actually do ETL directly in DB
whereas using libname you can create a library in sas and work on individual data sets and do transformation and finally can load directly into DB
it depends on work to choose which one one is good to use..
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