三一口语

oracle 监听程序的作用 1、监听程序就是在服务端等客户端连接的程序 2、简单地说，要和数据库服务器通讯，必须要和服务器连接， 建立连接时，服务器要知道有...

Introduction: What is orange? Orange is a fruit that belongs to the citrus family. It is a round fruit that has a thick, leathery skin that can be...