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For example, a stored procedure is called at a time (every minute), and the stored procedure postpones deleting the record one year after entering the blacklist, that is, deleting the table one year after entering the table.An anthology series of self contained plays with a murderous theme, the twist being that the action is followed from the point of view of the killer.好好的闺女，被人欺负还不许反抗了？老百姓就是该被欺负的？改了它。Warning: Do not register the license plate according to regulations.? Generally speaking, the factory mode is suitable: whenever a large number of products need to be created and have a common interface, they can be created through the factory method mode. Of the above three modes, the first cannot create the object correctly if the incoming string is wrong, and the third does not need to instantiate the chemical factory class compared with the second, so in most cases, we will choose the third-static factory method mode. ?