public class SynchronizedDEmo { public static void main(String[] args) { TestThread tt = new TestThread(); Thread t1 = new Thread(tt); Thread t2 = new Thread(tt); t1.setName("t1"); t2.setName("t2"); t1.start(); t2.start(); } } class Te…
看来有的人还是对schema的真正含义不太理解,现在我再次整理了一下,希望对大家有所帮助. 我们先来看一下他们的定义:A schema is a collection of database objects (used by a user.). Schema objects are the logical structures that directly refer to the database’s data.A user is a name defined in the database t…