PHYSICAL DATABASE DESIGN EXAMPLES Example 1 – Consider the following relational database for the Super Baseball League. It keeps track of teams in the league‚ coaches and players on the teams‚ work experience of the coaches‚ bats belonging to each team‚ and which players have played on which teams. Note the following facts about this environment: The database keeps track of the history of all of the teams that each player has played on and all of the players who have played on each team. The
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Chapter 11 Relational Database Design Algorithms and Further Dependencies Chapter Outline 0. Designing a Set of Relations 1. Properties of Relational Decompositions 2. Algorithms for Relational Database Schema 3. Multivalued Dependencies and Fourth Normal Form 4. Join Dependencies and Fifth Normal Form 5. Inclusion Dependencies 6. Other Dependencies and Normal Forms DESIGNING A SET OF RELATIONS Goals: Lossless join property (a must) Algorithm 11.1 tests
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Morgan Smith Mrs. Cochran Honors English March 18‚ 2013 Paul “Bear” Bryant Paul Bear Bryant made a huge impact in SEC football. His family life‚ football career‚ and coaching career all contributed to making him the well known‚ respected man he was‚ and still is today. Bryant was born in rural Cleveland County‚ Arkansas on September 11‚ 1913. He was born to William Monroe and Ida Kilgore Bryant which made him the eleventh out of twelve of their children. Bryant
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91.3902 Database Systems Assignment #1 1. Discuss the role of a high-level data model in the database design process. High-level data models assist in conceptual design and helps express data requirements of the users and includes detailed descriptions of the entity types‚ relationships‚ and constraints. The high-level data model is also used as a reference to ensure that all users’ data requirements are met and that the requirements do not include conflicts. 2. List the various
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2) There is a natural tendency on the part of users and system managers to perceive little benefit from security investment until a security failure occurs. 3) There are clear boundaries between network security and internet security. 4) The CIA triad embodies the fundamental security objectives for both data and for information and computing services. 5) In developing a particular security mechanism or algorithm one must always consider potential attacks on those
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Access Case: Dentist’s Office Brief: You will create an Access Relational Database for a dentist’s office. Database Objects: Tables: 1. Patients – keeps a track of patient information (Create at least 7 patients). 2. Dental Procedures – The dentist has 5 procedures. Procedure No. Procedure Type Rate 1 Cleaning Rs.1000.00 2 Crown Rs. 2000.00 3 Filling Rs. 2000.00 4 Root Canal Rs. 3000.00 5 X-Ray Rs. 700.00 3. Appointment – keeps a track of the each appointment‚ Patient‚ Date
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CIT 214 – Assignment 1 – Logical Database Design‚ The Big Boys and Girls Gym Database View 1 MEMBER (MEM_ID‚ MEM_LAST‚ MEM_FIRST‚ MEM_EMAIL‚ MEM_LEVEL‚ MEM_BDAY) AK MEM_EMAIL SK MEM_LAST EMAIL (EMAIL_ID‚ MEM_ID‚ C_ID‚ EVENT_ID‚ EMAIL_DESCRIP) SK MEM_ID‚ C_ID‚ EVENT_ID FK MEM_ID ( MEMBER FK C_ID ( CLASS FK EVENT_ID ( EVENT CLASS (C_ID‚ C_NUMBER‚ C_NAME‚ C_START_TIME‚ C_END_TIME‚ C_ACTUAL_DATE) SK C_NUMBER EVENT (EVENT_ID‚ EVENT_DESCRIP) SK
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Literature Search To identity relevant literature for this report I searched three criminology databases (AGIS‚ CINCH and Criminal Justice Abstracts)‚ two criminology journals (British Journal of Criminology and the Australian and New Zealand Journal of Criminology)‚ two social work journals (Australian Social Work and The British Journal of Social Work) and one general database (ProQuest) using a combination of the following key terms: recidivism‚ meta-analysis‚ criminology‚ community‚ systematic
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SEC 280 5-9-13 Week 1 Case Study Regarding your recent request about more information on ping sweeps and port scans‚ I am going to provide you with some information to help you with any confusing that you may have. Port scans and ping sweeps are networking tools that admins use to perform normal and common functions such as‚ checking server to see if it is running correct or to determine with services are open so they can receive important updates. Hackers use the same function which can provide
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surface with what hardening steps and network security management best practices‚ (100) 2) ensure secure authentication‚ authorization‚ and accounting‚ (100) and 3) prevent or respond to intrusions. (100) There are many ways to tighten up security when it comes to network security‚ but the most important part of the security in the actual user. If the user is not trained on the system and does not know ones regulations of the company then security is out the door. First and for most‚ the personal
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