Relational algebra

CRUD – Defining Information Ownership When developing and implementing a relational database, defining the information and users of the system enable definition of the business rules defining the components of the database management system. An example can be evaluated through the use of a CRUD – create, retrieve, update and delete – matrix as it relates to student information and the individuals or departments related to the school that may require access. The resulting model will be used to…

Schools throughout the United States have a major issue with bullying. About one in three children are bullied in the school (K. Kopsaz and P. Smokowski 2005 p. 101). Kopsaz and Smokowski (2005) explained the four different types of bullies, characteristics of their family, the reasons why they are the bully or the victim, and intervention strategies or how to prevent or reduce bullying. “Bullying is usually defined as a form of aggression in which one or more children intend to harm or disturb…

Many microcomputer database management systems use the relational database model. In the relational database model, data is stored into a two-dimensional table. This allows data to be inputted into multiple fields, and can be retrieved simultaneously. If a manager wants to retrieve an employee’s name, birthdate, and salary, all the information will be contained in the relational database model. One major advantage of the relational database model is that data can be linked, which allows the…

To better understanding the scope of problem, it is necessary to have a clear definition of bullying and a clear and concise description of what bullying behaviour involves. How bullying is defined and characteristics of bullying are described varies greatly in the literature. According to a commonly referenced definition of bullying given by Olweus (1994) bullying is a chronic form of victimization or aggression involving attempts to harm the other person (as cited in Benitez & Justica, 2006).…

1) Bullying Bullying is activities that are undesired, destructive and deliberate and occur amidst children. It is aimed to hurt a person or to achieve power over that person. (1) It is when a person is harmed again and again by a single or group of people and it is an intentional use of power. (2+14) 2) Physical Bullying Physical bullying is when a person uses his bodily powers to hurt someone else. (4+3). Punching, kicking, hitting are all examples of physical bullying. (4+5) a) Charlie was…

Chapter 1- what is bullying / the effects Bullying is a person overpowering someone else. According to Bullying and Teen Activism “Bullying includes actions such as making threats, spreading rumors, attacking someone physically or verbally, and excluding someone from a group on purpose.” Bullying happens over and over again, and it most likely won’t stop until you tell an adult about it. Bullying can affect everyone, those who are Bullied, those who bully and those who witness bullying.…

Task 10 (D1) Discuss how potential errors in the design and construction of a database can be avoided. One of the potential errors that can occur when creating a database is that field names and names can be spelt incorrectly due to human error this can be difficult to spot if the database is big the way of making sure that there are no naming errors is to make sure that every is checked regularly and more than twice to make sure that the chances of finding a spelling mistake is reduced. Using…

Violence Did you know that a 2009 DOJ (United States Department of Justice) study revealed that more than 60 percent of children were exposed to violence within the past year? Either directly or indirectly, and most of the cases happened at school. In fact almost 40 percent of America children were direct victims of two or more violent acts physically, verbally and or physiologically. Usually this behaviors are learned from home. Most of the times the research had proven that bullies usually…

Introduction: This report investigates the legislative means for confronting bullying in an Australian workplace. As bullying has become increasingly common throughout many organisations, the negative impacts on an individual and workplace environment are conveyed. The Occupation Health and Safety (OHS) is also examined, which is a legislation recognised for the psychological hazards including bullying in a workplace, violence, aggression and other anti-social behaviours. The discussion then…

Bullying. Everyone has either been bullied or has been a bully to someone else. To say the least, bully is mean, but it’s even worse when it comes from someone you love and trust. Before I tell you my situation where Mason and I were the bully, I want to let you know why I thought it was ok. My dad would pick on me like any parent would do when I was younger. His reasoning behind it, “I’m only preparing you for the future, when you get older and have boys picking on you, you can tell ‘em…