【正文】 直接操作所要求的報(bào)告。以收帳系統(tǒng)為例，公司總裁可能要求一張?zhí)峁┙y(tǒng)計(jì)分析的發(fā)票和銷帳圖表。系統(tǒng)用戶管理模塊：該模塊主要功能是管理員密碼修改功能的管理。Tomcat 是一個(gè)輕量級(jí)應(yīng)用服務(wù)器，在中小型系統(tǒng)和并發(fā)訪問用戶不是很多的場(chǎng)合下被普遍使用，是開發(fā)和調(diào)試JSP 程序的首選。由于其體積小、速度快、總體擁有成本低，尤其是開放源碼這一特點(diǎn)，許多中小型網(wǎng)站為了降低網(wǎng)站總體擁有成本而選擇了MySQL作為網(wǎng)站數(shù)據(jù)庫。強(qiáng)大的數(shù)據(jù)保護(hù)功能MySQL有一個(gè)非常靈活且安全的權(quán)限和密碼系統(tǒng)。用多線程和C語言實(shí)現(xiàn)的MySQL能很容易地充分利用CPU。在現(xiàn)代化的教育技術(shù)模式下，計(jì)算機(jī)已經(jīng)廣泛應(yīng)用于企業(yè)的人力資源管理，給傳統(tǒng)的人力資源管理方式帶來了重大的革命。人力資源管理系統(tǒng)對(duì)于企業(yè)單位的管理者來說，具有使用方便、查詢快捷、管理準(zhǔn)確等特點(diǎn)，成為企業(yè)單位不可缺少的部分。超強(qiáng)的穩(wěn)定性MySQL擁有一個(gè)非?？焖俣曳€(wěn)定的基于線程的內(nèi)存分配系統(tǒng)，可以持續(xù)使用而不必?fù)?dān)心其穩(wěn)定性。在一個(gè)操作系統(tǒng)中實(shí)現(xiàn)的應(yīng)用可以很方便地移植到其他操作系統(tǒng)。 MySQL概述MySQL是一個(gè)小型關(guān)系型數(shù)據(jù)庫管理系統(tǒng)，開發(fā)者為瑞典MySQLAB公司，在2008年1月16號(hào)被Sun 公司收購。簡單而言，MyEclipse是Eclipse的插件，也是一款功能強(qiáng)大的J2EE集成開發(fā)環(huán)境，支持代碼編寫、配置、測(cè)試以及除錯(cuò)。關(guān)于人員信息管理、獎(jiǎng)懲信息管理、人員調(diào)動(dòng)信息管理、系統(tǒng)用戶管理4個(gè)部分的規(guī)劃系統(tǒng)功能模塊如下：人員信息管理模塊：該模塊主要功能是對(duì)員工基本信息等進(jìn)行管理獎(jiǎng)懲信息管理模塊：該模塊主要是對(duì)企業(yè)員工獎(jiǎng)懲情況進(jìn)行管理。戰(zhàn)略級(jí)在戰(zhàn)略級(jí)，經(jīng)理們只關(guān)心目標(biāo)。操作級(jí)操作級(jí)的人員有明確的任務(wù)，完成這些任務(wù)可能要花一天，一周或者是三個(gè)月那樣多的時(shí)間。秘書從來也不利用這些報(bào)告，因?yàn)樗龥]有必要知道，而且也沒有要求她知道；公司總裁也從來不利用這些報(bào)告，因花費(fèi)很長時(shí)間才能從中抽點(diǎn)點(diǎn)重要的信息。運(yùn)輸業(yè)包括預(yù)定管理，交通工齡維修，以及流量分析等。下面給出的清單只是為了說明可能的應(yīng)用領(lǐng)域，并不包括所有的應(yīng)用領(lǐng)域。企業(yè)人力資源管理系統(tǒng)也能按成批處理，聯(lián)機(jī)處理或二者組合起來分類。通常的信息系統(tǒng)是上述各種類型的組合。大連交通大學(xué)信息工程學(xué)院畢業(yè)設(shè)計(jì)(論文)調(diào)研報(bào)告學(xué)生姓名 林濤 專業(yè)班級(jí) 軟件工程081班 指導(dǎo)教師 常敬巖 史原 職 稱 高級(jí)工程師 講師 所在單位 信息科學(xué)系軟件工程教研室 教研室主任 劉瑞杰 　 完成日期 2012 年 4 月 6 日實(shí)習(xí)報(bào)告1 課題來源及意義隨著計(jì)算機(jī)的日益普及和網(wǎng)絡(luò)的發(fā)展,數(shù)據(jù)庫的應(yīng)用范圍越來越廣,數(shù)據(jù)庫應(yīng)用的功能也越來越強(qiáng),因此編寫管理信息系統(tǒng)應(yīng)用程序也顯得尤為重要,在強(qiáng)調(diào)管理,強(qiáng)調(diào)信息的現(xiàn)代社會(huì)中它變得越來越普及。層次型數(shù)據(jù)模型是基于數(shù)型結(jié)構(gòu)的，由結(jié)點(diǎn)和數(shù)值組成，一個(gè)結(jié)點(diǎn)是描述此點(diǎn)上實(shí)體屬性的數(shù)據(jù)集合。模式和子模式是由數(shù)據(jù)庫管理系統(tǒng)使用的，數(shù)據(jù)庫管理系統(tǒng)的主要作用是執(zhí)行數(shù)據(jù)操作時(shí)服務(wù)于應(yīng)用程序。大多數(shù)數(shù)據(jù)庫的最主要特點(diǎn)之一是他們需要不斷的更新和增加。JSP引擎只需在Servlet代碼最后被修改后編譯一次，然后這個(gè)編譯過的Servlet就可以被執(zhí)行了。在基本請(qǐng)求模型中，一個(gè)請(qǐng)求直接被送到JSP頁中。JavaBeans和ActiveX被“快速應(yīng)用程序開發(fā)”(RAD)工具發(fā)行商推廣給Java和Windows應(yīng)用程序開發(fā)者用來快速開發(fā)復(fù)雜的程序。這種以頁面為中心的模型容易學(xué)習(xí)并且得到相當(dāng)快速的發(fā)展。當(dāng)然，也可以利用Java Servlet來控制網(wǎng)站的邏輯，通過Java Servlet調(diào)用JSP文件的方式來將網(wǎng)站的邏輯和內(nèi)容分離。JSP與Microsoft的ASP技術(shù)非常相似。 a mon and controlled approach is used in adding new data and in modifying and retrieving existing data within the data base one system is said to contain a collection of databases if they are entirely separate in structure.The restructuring should be possible without having to rewrite the application program and in general should cause as little upheaval as possible the ease with which a database can be changed will have a major effect on the rate at which dataprocessing application can be developed in a corporation.The term data independence is often quoted as being one of the main attributes of a database int implies that the data and the may be changed without changing the other, when a single setoff data items serves a variety of applications, different application programs perceive different relationships between the data items,to a large extent database organization is concerned with the as how and where the data are stored.A database used for many applications can have multiple interconnection referred to as entity may be a tangible object or no tangible if it has various properties which we may wish to can describe the real data item represents an attribute and the attribute must be associated which the relevant relevant entity we design values to the attributes one attribute has a special significance in that it identifies the entity.Logical data description is called a model.We must distinguish a record and a record examples, when talking about all personnel records when it is really a record type, not bined with its data value.A model is used to describe the database used storage in the database data item type and record types of general charts, subschema paragraph refers to an application programmer view of data, many different patterns can get from one mode. The schema and the subschema are both used by the database management system the primary function of which is to serve the application programs by execution their data operations.A DBMS will usually be handling multiple data calls concurrently, it must organize its system buffers so that different data operations can be in process together, it provides a data definition language to specify the conceptual schema and most likely some of the details regarding the implementation of the conceptual schema by the physical schema the describe the conceptual schema in terms for a “data model”.The choice of a data model is a difficult one, since it must be such enough in structure to describe significant aspects of the real world, yet it must be possible to determine fairly automatically an efficient implementation of the conceptual conceptual schema by a physical should be emphasized that while a DBMS might be used to build small databases many databases involve millions of bytes and an inefficient implementation can be disastrous.Logical schemas are defined as data, pedals with the underlying structure of particular database management systems superimposed on them at the present time there are three main underlying structures for database management systems these are:relational,hierarchical,network.The hierarchical and network structures have been used for DBMS since the 1960’s . the relational structure was introduced in the early 1970’s.In the relational model twodimensional tables represent the entities and their relationships every table represents an entities are represented by mon columns containing values from a domain or range of possible values .The end user is presented with a simple data model his and her request and don not reflect any plexities due to systemoriented aspects a relational data model is what the user sees , but it is mot necessarily what will be implemented physically.The relational data model removes the details of storage structure and access strategy from the user interface the model providers a relatively higher degree of data to make use of this property of the relational data model however, the design of the relations must be plete and some DBMS based on the relational data model are mercially available today it is difficult to provide a plete set of operational capabilities with required efficiency on a large scale it appears today that technological improvements in providing faster and more reliable hardware