C#

abstract class AchieveTargetBase : ActiveRecordBase
    {
        private int _id;
        private Subject _subject;
        private string _comment;
        private int _yeargroup;

        [PrimaryKey]
        public int Id
        {
            get { return _id; }
            set { _id = value; }
        }

        [BelongsTo("Subject")]
        public Subject Subject
        {
            get { return _subject; }
            set { _subject = value; }
        }

        [Property(Length=400)]
        public string Comment
        {
            get { return _comment; }
            set { _comment = value; }
        }

        [Property]
        public int YearGroup
        {
            get { return _yeargroup; }
            set { _yeargroup = value; }
        }
    }

[ActiveRecord("Achieve1")]
class Achievement1 : AchieveTargetBase
{
}

[ActiveRecord("Achieve1")]
    class Achievement1 : AchieveTargetBase
    {
        public static string[] GetListOfEntries(Subject subj, int year)
        {
            List<string> Entries = new List<string>();

            foreach (Achievement1 x in (Achievement1[])ActiveRecordBase.FindAll(typeof(Achievement1), Expression.Eq("Subject", subj), Expression.Eq("YearGroup", year)))
            {
                Entries.Add(x.Comment);
            }

            string[] ret = Entries.ToArray();
            Array.Sort(ret);
            return ret;
        }
    }