University of Greenwich Database assignment2 Iago Castro Cuna Student ID: 000628811 Course ID : COMP1450 DATABASE ASSIGNMENT2 Iago Castro Cuna Table of Contents 1 INTRODUCTION ..................................................................................................................... 4 2 CREATING THE DATABASE TABLES ....................................................................................... 5 2.1 Creating the company .........................................
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- 1 - Database Security *) GÜNTHER PERNUL Institut für Angewandte Informatik und Informationssysteme Abteilung für Information Engineering Universität Wien Vienna‚ Austria 1. Introduction 1.1 The Relational Data Model Revisited 1.2 The Vocabulary of Security and Major DB Security Threats 2. Database Security Models 2.1 Discretionary Security Models 2.2 Mandatory Security Models 2.3 Adapted Mandatory Access Control Model 2.4 Personal Knowledge Approach 2.5 Clark and Wilson Model 2
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1. Advantages of database over Advantages of spread sheets; One of the advantages of database is that it reduced data redundancy this is because in databases‚ there is an identifier. The identifier is the primary key‚ where when it is entered‚ all other details‚ which saved under the primary key‚ will be revealed. Therefore‚ there’ll be less repetition of data. Next‚ databases improved data integrity‚ which it will guaranteed the data proven to be correct. Linked to the primary key function‚ the
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g.‚ rare-event detection) 4. List four data mining myths.(answer in ch5-slide38) 1-provides instant solutions/predictions 2- Is not yet viable for business applications 3- Requires a separate‚ dedicated database 4- Can only be done by those with advanced degrees 5- Is only for large firms that have lots of customer data 6- Is another name for the good-old statistics 5. What is a data mart? What is
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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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DATABASE SPECIFICATIONS 1. TABLE NAME : TBLGENDER FIELD NAME DATA TYPE SIZE CONSTRAINT REFERENCES GID IntN/A PK‚ IDENTITY NONE GDESC Varchar6 NOT NULL NONE 2. TABLE NAME: TBLGRDLVL FIELD NAME DATA TYPE SIZE CONSTRAINT REFERENCES GRDID IntN/A PRIMARY KEY‚IDENTITY NONE GRDLVLDESC VarChar15 NOT NULL NONE GRDSECTION Varchar15 NOT NULL NONE 3. TABLE NAME: TBLRANK FIELD NAME DATA TYPE SIZE CONSTRAINT REFERENCES RANKID IntN/A PRIMARY KEY‚IDENTITY NONE RANKDESC Varchar20 NOT NULL NONE 4.
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software installed. The two major components of the software designed for the games were GMS‚ Games Management System and‚ IDS Information Diffusion System. Both these systems were used to reduce risk. Backup for routers and switches at each site‚ the databases and all other PCs in the control room were available. These backups were the back bone of the system‚ as it had reduced risk of information being lost or misplaced. Continuous flow of information was vital. VLAns were used to avoid troubleshooting
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recommend the design of a master database each of which would employ relational technology to reduce the database to third normal form. This would eliminate the possibility of semantic disintegrity upon querying the database.” Questions: a. Try to guess what the consultant said? b. Justify the use of technical jargon. What the consultant was trying to say is that base on his investigation‚ with the expertise that he have and upon checking the folder where the database application is placed‚ he already
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higher level managers through the effective generation of information so as to enhance organizational competitive advantage. (C6‚A2‚P7) COURSE CONTENT Topic 1:MIS Topic 2:Managers and their information needs Topic3:MIS and Competitive Strategy Topic4: Hardware and Software Topic 5:Database Processing Topic 6:Reporting and Data Mining Systems Topic 7:Data Communication Topic 8:Social Media Topic 9:Structured Processes and IS Topic 10:IS Security Topic 11: Systems
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to translate business problems and requirements into information requirements and systems. Information systems managers are leaders of teams of programmers and analysts‚ project managers‚ physical facility managers‚ telecommunications managers‚ or database specialists. They are also managers of computer operations and data entry staff. Also‚ external specialists‚ such as hardware vendors and manufacturers‚ software firms‚ and consultants‚ frequently participate in the day-to-day operations and long-term
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