Using LINQ to find / delete duplicates

Question

I have a table that contains a bunch of duplicates. These are exact duplicates, minus the primary key column, which is an integer identity column.

Using EF and LINQ,

Answer 1

Building on @Craig Stuntz's answer with a "one liner" alternative:

var duplicates = db.Table.GroupBy(a => new { a.FieldA, a.FieldB, ...})
                         .Where(a => a.Count() > 1)
                         .SelectMany(a => a.ToList());

foreach (var d in duplicates)
{
     db.DeleteObject(d);
}

db.SaveChanges();