studies &research Information technology department Database systems Report on: (Comparison between Relational database & object oriented database) By: Mohammed Hussein Mahmoud Mustafa khedr To: Dr. Saad Darwish Introduction A database is a means of storing information in such a way that information can be retrieved from it. Thus a database is typically a repository for heterogeneous but interrelated pieces of information. Often a database contains more than one table. Codebooks and dictionaries
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Should animals be used in medical research? The use of animals in laboratory research is a very well known debate. Many people wonder if the animals are treated well and if they are taken care of properly; however‚ if medical and scientifical experimentation were done in only human trials the knowledge and understanding of how drugs and procedures can affect human would be decades behind. That is why the use of animals in experimentation is a necessity in order to continue advancing medicine
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ISM 6215 - Business Database Systems I Fall 2013 Home Work – 1 (Marks 100) Question 1 - Contrast the following terms. Give one example of each 1. Degree versus cardinality of relationship 2. Required versus optional attributes 3. Data dependence versus data independence 4. Structured versus unstructured data (4*2.5 =10 marks) Answer 1 - Degree; cardinality. The degree (of a relationship) is the number of entity types that participate in that relationship‚ while cardinality is a
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INTRODUCTION TO DATABASE MANAGEMENT SYSTEMS By Mohammed Sanaulla Khan SID: 1120297 Mohammed Mudassaruddin SID: 1111422 Abstract A collection of programs that enables you to store‚ modify‚ and extract information from a database. There are many different types of DBMSs‚ ranging from small systems that run on personal computers to huge systems that run on mainframes. The following are examples of database applications: ✓ computerized library systems ✓ automated teller machines
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Information Technological advancement has minimized the whole world. Advancement of technology gave lots of benefits for all industries using it. With the use of advance technology‚ process became more fast‚ accurate and effective. As time passes by computers became more useful for every process being made. Modernization in every transaction became more popular as it reached even small organizations like school. School is one of the organizations that need advancement‚ because in this institution many
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Report Prepared For : Mr. Nelson Title: | Computerized Accounting should completely replaces Manual AccountingPrepared By : Ali H. Al-MuslimID#: 200628620Section# : 05SN#: 02Group#:01Word Count:1‚333 | 10/7/2012 10/7/2012 Table of Contents Table of Contents II Introduction 3 I. Manual Accounting 4 A. Benefits 4 1. Cost effective 4 2. Availability 4 B. Limitations 4 1. Finding Errors 4 2. Time Factor 5 II. Computerized Accounting 5 A. Benefits 5 1. Speed 5
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Should computers can replace teachers? Today computers are used in almost every field. Whether we want to book tickets‚ to maintain accounts or communicate with each other – computers are there to answer our every need. So we see that computers are slowly replacing human beings at work. Particularly‚ there are some aspects of the educational system are already provided by the computer and yes‚ it is definitely true that sometimes some people don’t need a person to learn everything. So‚ is it can
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of the database applications. 2. What is the role of the database in the IS generic architecture? 3. What is file-based system? Give 2 examples of FBS. 4. What are main limitations of FBS? 5. What is database? 6. What does it mean that database is self-describing collection of interrelated records? 7. What does it mean that data is integrated? 8. What does it mean that database is collection of logically related data? 9. What is DBMS? 10. What are the main categories of database languages
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illegal. This natural plant is Cannabis‚ also known as Marijuana. Medical marijuana refers to the use of cannabis and it’s cannabinoids to decrease or improve symptoms. Marijuana has been the topic of discussion for many‚ many years‚ but recently the developments and law changes have started to increase. In this essay I will explain the pros versus the cons‚ how the drug can be used‚ and a medical issue that could be resolved with using medical marijuana. If you had the power to ease someone’s pain‚ would
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The scene in a busy airport terminal The roar of aircraft engines drowns out the sounds of excitement from the car park. Fumes from the cars pollute the surrounding air‚ overshadowing the smell of freshly cut grass. Solitary rays of sunlight beam through the transparent plastic covering of the exterior car park‚ reflecting off the metallic colouring of the people carrier below it. Enclosing the vehicle‚ a sea of suitcases surrounds a red-faced man‚ his stress levels rising with every bag he drags
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