Your question is quite sparse, pleas elaborate a bit more if I don't got your question right.
In the Status Handling tab, you can design an an action if rows have been updated in the target table. Action include sending email, calling a macro etc.
If you want to keep track on a record level, just use the Load Time Column, should be available in most Table Loader transformations.
Data never sleeps
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Need to connect to databases in SAS Viya? SAS’ David Ghan shows you two methods – via SAS/ACCESS LIBNAME and SAS Data Connector SASLIBS – in this video.