How to compare two dates in iphone?

Question

I want to compare the todays date and other date coming from my database. For example, 2011-03-25 compare it with 2011-02-25

How can i formate my database date as t

Answer 1

NSDate *date1 = [NSDate date];
NSDate *date2 = [NSDate date];

if ([date1 compare: date2]==NSOrderedAscending) {
    NSLog(@"YES");
}