I build a application, and to this day I was worked that way, Database = data access layer(DAL) = business logic layer(BLL). By the way, work platform is ASP.NET Web API but it's does not matter. And in BLL use the DAL models like TblUser(c# Class). Do i need to create a different classes to the BLL layer? So, it is not duplicate code? Whay not use DAL Tbl Classes? I dont work with EF...
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