A better way to implement this generic interface for a crud in asp.net core?

Question

using System;
using System.Collections.Generic;
using System.Text;
namespace Service.InterfaceService.Contracts
{
public interface IBaseService <T> where T: class
{
IEnumerable<T> GetAll();
T GetById(int id);
bool Add(T model);
bool Update(T model);
bool Delete(int id);
}
}

Answer 1

Yes.