protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateIndex(
name: "IX_ProductoCategoria",
table: "Producto",
column: "CategoriaId",
unique: false);
migrationBuilder.AddForeignKey(
name: "FK_Producto_Categoria",
table: "Producto",
column: "CategoriaId",
principalTable: "Categoria",
principalColumn: "Id",
onDelete: ReferentialAction.Restrict);
}