Check duplicate items in two sharepoint lists

Question

Hi, I have 2 separate sharepoint lists, both contrain user names. e.g: Jan Jaap.
I want sharepoint to automaticly compare those lists to see if there is any name in both lists and notify me about it. For example :
List 1: Firstname | Surname
          Jan           -    Jaap
          Steen        -    Vos
          george       -    bush
List 2: Firstname | Surname
          Jan           -    Jaap
          fox            -    washington
          brian         -    potter
both lists contain jan jaap. and i want sharepoint to notice that and send me and email about it :p.
Is this in any way possible?
Thanks in advance!!

Answer 1

You can use below tool
http://www.metalogix.com/help/Content%20Matrix%20Console/SharePoint%20Edition/002_HowTo/004_SharePointActions/003_CompareSitesAndLists.htm
Or if you want to do it programmatic try below:
http://sharepoint.stackexchange.com/questions/60917/compare-items-of-two-sharepoint-lists
SPWeb web = SPContext.Current.Web;
SPList list = web.Lists["Employee"];
string query = @"<Where>
<Eq>
<FieldRef Name='Position' /><Value Type='Choice'>{0}</Value>
</Eq>
</Where>
<OrderBy>
<FieldRef Name='Salary' Ascending='False' />
</OrderBy>";
query = string.Format(query, "Developer");
SPQuery spQuery = new SPQuery();
spQuery.Query = query;
SPListItemCollection items = list.GetItems(spQuery);
If this helped you resolve your issue, please mark it Answered