How do I delete the tableview with a section of a record?

Such as contacts. Novice, no ideas, Give me an example
Reply:
Delete the data source inside the recording, then use

- (Void) deleteRowsAtIndexPaths: (NSArray *) indexPaths withRowAnimation: (UITableViewRowAnimation) animation;

This method deletes the corresponding cell
Reply:
Can you give a piece of code? Main section of tableview not know how to operate, that the data from the database out how segment display. Must give points!