how i can access unique day my Soql is
select Id, Date__c from Object__c where ORDER BY Date__c DESC
this Soql is giving me data as
2013-08-17 04:59:06
2013-08-13 04:59:06
2013-08-13 04:59:06
2013-08-12 04:59:06
2013-08-10 04:59:06
2013-08-10 04:59:06
But i want only day wise i.e
2013-08-17 04:59:06
2013-08-13 04:59:06
2013-08-12 04:59:06
2013-08-10 04:59:06
How i can do this.