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.
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.