夜雨初晴999
●假设某硬盘由5个盘片构成(共有8个记录面),盘面有效记录区域的外直径为30cm,内直径为10cm,记录位密度为250位/mm,磁道密度为16道/mm,每磁道分16个扇区,每扇区512字节,则该硬盘的格式化容量约为(2)MB。● (3)是指按内容访问的存储器。(3)A.虚拟存储器B.相联存储器C. 高速缓存(Cache) D. 随机访问存储器 阅读下列说明,回答问题1和问题2,将解答填入答题纸的对应栏内。【说明】假设某大型商业企业由商品配送中心和连锁超市组成,其中商品配送中心包括采购、财务、配送等部门。为实现高效管理,设计了商品配送中心信息管理系统,其主要功能描述如下:1. 系统接收由连锁超市提出的供货请求,并将其记录到供货请求记录文件。2. 在接到供货请求后,从商品库存记录文件中进行商品库存信息查询。如果库存满足供货请求,则给配送处理发送配送通知;否则,向采购部门发出缺货通知。3. 配送处理接到配送通知后,查询供货请求记录文件,更新商品库存记录文件,并向配送部门发送配送单,在配送货品的同时记录配送信息至商品配送记录文件。4. 采购部门接到缺货通知后,与供货商洽谈,进行商品采购处理,合格商品入库,并记录采购清单至采购清单记录文件、向配送处理发出配送通知,同时通知财务部门给供货商支付货款。该系统采用结构化方法进行开发,得到待修改的数据流图(如图1-1所示)。【问题1】(8分)使用【说明】中的词语,给出图 1-1 中外部实体 E1 至 E4 的名称和数据存储 D1 至D4的名称。【问题2】(7分)图 1-1 中存在四处错误数据流,请指出各自的起点和终点;若将上述四条错误数据流删除,为保证数据流图的正确性,应补充三条数据流,请给出所补充数据流的起点和终点。(起点和终点请采用数据流图1-1中的符号或名称) 数据库系统工程师2009年上半年软考真题,详情请参见参考资料 。
呼伦小贝尔
百度文库搜的。OK! I’m Zhou Haiqing,My English name is ’m from Jingzhou, Hubei Province. I studied at the University of Wuhan,Donghu ,and my major is Electronic and Information Engineering, and Graduated in June 2012. November 2011 to June 2012, I went up to the training for Java developers at tarena, the effect is significant, and I did three small projects. June 2012 in September 2013, I worked for xunt. Unwilling long business trip, I chose to leave. ---- In the meantime, I mainly do two projects. One of Shanghai Bank of a reporting system,it used Oracle. In this project ,My mainly responsible is report development work, the total number of reports of this project about 1000, that means 1000 interface, I developed about one hundred and fifty. The Main development process: Writing requirements documents, according to the requirements document to write stored procedures and other relevant sql, and xml templates, finally generate report files. During the scheduled work also involved ETL. Another one is the pharmaceutical sales analysis project for BMS company, it used SQL Server. The Main development process: First with sql data processing, PPT configuration parameters such as title, then do PPT template, and finally to write VBA code that will populate the database data into PPT template, the final report generated PPT files. ---- In the future, I would like to develop in the direction of Database Development and data analysis . on a piece of my life. I was the one who loves a challenge, there is a strong sense of professionalism and responsibility. Will often open a small shop in the school, then put a street vendor, encountered the school will sell to sell mobile phone cards, quilts and other daily necessities. Also thought about the business, but the economic situation at home does not allow. The loving words of like playing basketball, badminton, and then make friends. Finally, I feel I have the ability be competent this job. I hope my ability to be able to show here, let 's see my value, I hope to join this first-class team, with the common progress of HP company! Thank you.... The basic situation is to see if you have anything to want to know?
羅潔愛爾
数据库系统工程师属于软考中级资格考试,软考数据库系统工程师基础知识科目在上午考试,考试题型为客观选择题,满分为75分,考试时间安排在9:00-11:30。软考中级数据库系统工程师上午考试科目为基础知识,满分为75分,题型为客观选择题。根据数据库系统工程师考试大纲,基础知识科目考试范围如下:1.计算机系统知识2.数据库技术3.系统开发和运行维护知识4.安全性知识5.标准化知识6.信息化基础知识7.计算机专业英语温馨提示:因考试政策、内容不断变化与调整,猎考网提供的以上信息仅供参考,如有异议,请考生以权威部门公布的内容为准! 下方免费复习资料内容介绍:系统集成项目管理工程师知识点集锦 格式:PDF大小: 2023年数据库系统工程师学习计划 格式:DO大小:资格考试有疑问、不知道如何总结考点内容、不清楚报考考试当地政策,点击底部咨询猎考网,免费领取复习资料
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