NORMALIZATION OF DATABASE NORMALIZATION- is the process for evaluating and correcting table structures to minimize data redundancies‚ thereby‚ reducing the livelihood of data anomalies. The normalization process involves assigning attributes to tables based on the concept of determination. Normalization works through a series of stages called normal forms. 3 Stages of Normalization 1. 1NF or FIRST NORMALIZATION FORM 2. 2NF or SECOND NORMALIZATION FORM 3. 3NF or THIRED NORMALIZATION
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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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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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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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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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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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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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Intercultural Communication: Film review The Terminal (2004) Alberto Ariztía T. The terminal is a movie which recreates the life of the passenger Viktor Navorski who has been trapped in the American JFK airport for almost one year. Hence‚ due to political problems related to the overthrow of the democratic regime of the fiction country Krakozhia‚ Viktor’s passport and visa turns invalid as he enters in an undetermined status in the international section within the airport. Once there‚ the main
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