class User
{
    [AutoIncrement] // Creates Auto primary key
    public int Id { get; set; }

    public string Username { get; set; }
    public string Email { get; set; }
    public string Password { get; set; }
    public bool IsPremium{ get; set; }
    public DateTime? LastUpdated { get; set; }
}


class Relationship
{
    public int User_one_id { get; set; }    // FK User.Id
    public int User_two_id { get; set; }    // FK User.Id
    public int Status { get; set; }
    public int Action_user_id{ get; set; }
}


class Claim
{
    [AutoIncrement] // Creates Auto primary key
    public int Id { get; set; }

    public int User_one_id { get; set; }    // FK User.Id
    public int User_two_id { get; set; }    // FK User.Id
    public int Object_id { get; set; }  // FK Object.Id
    public int Object_count { get; set; }
    public DateTime? LastUpdated { get; set; };
}


class Object
{
    [AutoIncrement] // Creates Auto primary key
    public int Id { get; set; }

    public string LongName { get; set; }
    public string ShortName { get; set; }
    public string Description { get; set; }
}



================================================================================================
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ServiceStack.DataAnnotations;
using ServiceStack.OrmLite;
using ServiceStack.OrmLite.Sqlite;
using System.Data;
using ServiceStack.Common.Utils;

public void addUserToDb() {
    public static string SqliteMemoryDb = ":memory:";
    public static string SqliteFileDb = "~/App_Data/db.sqlite".MapAbsolutePath();

    //Using Sqlite DB
    var dbFactory = new OrmLiteConnectionFactory(
        SqliteFileDb, false, SqliteDialect.Provider);

    using (var db = dbFactory.Open()) {

        db.CreateTableIfNotExists<User>();

        // Insert
        db.Insert(
            new User {
                Username = Username ,
                Email = "ampedpf@ct.com",
                Password = "password1",
                IsPremium = true,
                LastUpdated = new DateTime(2015, 1, 5) });
    }
}