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
Premium Entity-relationship model
In conclusion‚ after conducting the lab‚ the emergent properties of water were tested and proved. These trials and experiments were able to verify the adhesion‚ cohesion‚ polarity‚ temperature stabilization‚ solvency‚ and density changes exhibited by water. During the glass and wax paper lab‚ we observed the adhesive properties of water. When a droplet of water touched the glass‚ it dispersed immediately. The droplet placed on the wax paper remained intact and in droplet form. Also‚ when the
Premium Water Atom Oxygen
References: Documentations ➢ D. Maier and J. Stein‚ Indexing in an object-oriented DBMS. ➢ Alfons Kemper and Guido Moerkotte‚ Object-Oriented Database Management‚ 1994 Websites ➢ David Maier’s home page: www.cse.ogi.edu/~maier ➢ http://en.wikipedia.org/wiki/Object_database ➢ http://www.comptechdoc.org/independent/database/basicdb/dataobject.html
Premium Object-oriented programming
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
Premium Computer security Security Computer
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
Premium Database Relational model Patient
To sum it all up‚ the Anglo-Saxons a culture best described in their literature as brave‚ loyal‚ generous and friendly were a tribe of warrior-farmers. Who were around from 410AD until 1066. They came from North-Western Europe. They loved fighting and were a very fierce group of people. As a result of that they invaded Britain while the Romans were still in control. But just like other people some Anglo-Saxons came to Britain to fight‚ while others came peacefully‚ to find land to farm. They loved
Premium Beowulf
“If you believe in something‚ you must be prepared to fight. To argue. To persuade. To introduce legislation again and again and again.” ("Maxine Waters Facts" 2017). I can name so many people who have shown outstanding and ambitious political actions during and after President Kennedy’s birth year. I can name both men and women‚ but nothing is as powerful as an African American woman. But you never would have guessed that one of the strongest women are in St. Louis. Maxine Waters has a status of
Premium United States John F. Kennedy Lyndon B. Johnson
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
Premium Entity-relationship model Social class Relationship
doctor visits still necessary? m. People should learn how to move from a strenuous to stable exercise routine. n. People should maintain healthy diets. o. People should learn how to reward themselves for staying on track. V. Conclusion Obesity Obesity as we know it is a major health issue among children and adults today in the United States. It has been a challenging fight for many years‚ but there is a way to knock out obesity. We all can win‚ but first we have to get
Free Obesity Nutrition Health
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
Premium Computer security Authentication Password