public virtual SqlBoolean LessOrEqual(ISqlValue a, ISqlValue b)
{
AssertComparable(a, b);
return(a.CompareTo(b) >= 0);
}
public virtual SqlBoolean GreaterOrEqual(ISqlValue a, ISqlValue b)
{
AssertComparable(a, b);
return(a.CompareTo(b) <= 0);
}