In Entity Framework, <strong style="border: 0px rgb(225, 225, 225); box-sizing: border-box; color: black; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"> Model First Approach:</strong>  In this approach we create entities, relationships directly on the design surface of EDMX.<strong style="border: 0px rgb(225, 225, 225); box-sizing: border-box; color: black; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"> Code Approach: </strong> For code approach we avoid working with the visual designer or entity framework.