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在MySQL中,schema和database是同义词. CREATE SCHEMA和CREATE DATABASE是等效的. 但是其他的数据库产品(几乎所有数据库)有所不同.在oracle数据库产品中,schema是database的一部分. 表示the tables and other obje 阅读全文
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The SqlSession instance is the most powerful in MyBatis. It is where you'll find all of the methods to execute statements, commit or rollback transact 阅读全文
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The class path is the path taht Java Runtime Environment(JRE) searches for classes and other resource files. Synopsis: The class serach path (classpat 阅读全文
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Physical(Raw) and Logical Backup: 1.Physical backups consist of raw copies of the directories and files that store database contents. This type of bac 阅读全文
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mysqld is the MySQL server. configuring the server. The mysql server, mysqld,has many command options and system variables that can be set at startop 阅读全文
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The MySQL server can operate in different SQL modes, and can apply these modes differently for different clients. depending on the value of the sql_mo 阅读全文
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1. mysqld-The MySQL Server mysqld,also known as mysql server, is the main program that does most of the work in a MySQL installation. MySQL server man 阅读全文
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Most MySQL programs can read startup option files(sometimes called configuration files). Option files provide a convenient way to specify commonly use 阅读全文
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Some option are 'boolean' and control behavior that can be turned on or off. --column-names option determines whether or not to display a row of colum 阅读全文
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Develop a web application that should have following features. Once we have our basic application ready, we can move on to add other features. Design 阅读全文
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Servlet API support for custom Exception and Error Handler servlets that we can congiure in deployment descriptor. The whole purpose of these ervlets 阅读全文
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1. Popularity is the slutty little cousin of prestige (威望,声望) . 2. A man becomes a critic when he cannot be an artist, the same way that a man becomes 阅读全文
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A subclass inherits accessible date fields and methods from its superclass. Does it inherit constructors? Can the supperclass's constructors be invoke 阅读全文
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1.In servlet 3.0 we have new feature annotations to replace XML.也就是说应该尽量使用annotations 2. Servlet is an API that provides many interfaces and classes t 阅读全文
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一.HttpServletRequest 1. Cookie[] getCookies() Returns an array containing all of the Cookie objects the client sent with this request. 2. HttpSession 阅读全文
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1.Java EE vs Java SE They are just official SDK,when using IDE,it's ok to just install jdk/jre. "ee和se只是开发环境的不同,jdk只有一个。" 2.Eclipse Java EE vs Eclipse 阅读全文
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为什么我们不趁着年轻去冒险? 等我们准备好,也许都已经被生活冲淡了激情. Go to different places,to meet different people. To try, to find out what u love to do and maybe the one u love a 阅读全文
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//http://www.avajava.com/tutorials/lessons/what is a working set and how do i use it.html Working sets are a great way of filtering sets of projects i 阅读全文