Functional Dependency is mainly known as Normalization. Professor Codd in 1970 was the first person to define it. There are three steps to this dependency. Normalization is used to eliminate the three types of anomalies which are insertion, deletion and update anomalies. The three normalization are what a database can suffer from. They also define what the database is about because of all the work that goes into it. The Insertion Anomaly is when some of the data cannot be added into the database
Words: 1197 - Pages: 5
A network switch is a small hardware device that joins multiple computers together within one local area network (LAN). Ethernet switch devices were commonly used on home networks before home routers became popular; broadband routers integrate Ethernet switches directly into the unit as one of their many functions. High-performance network switches are still widely used in corporate networks and data centers. Advantages Switches have increased available network bandwidth. There is reduced workload
Words: 1379 - Pages: 6
Unit 2 Assignment 1: Homework Learning Objectives and Outcomes Review documents to discover relevant entities and attributes for database. Prepare interview questions and follow up. Prepare questionnaires. Observe work flow for process and exceptions. Identify the issues with the current database. Define and list requirements of a database. Define business rules of a database. Define entities and attributes of a database. Identify candidate keys for entities of a database. Assignment
Words: 687 - Pages: 3
in the report! I. Regarding the situation at the start of 2006: A.Value Wal-mart's stock using the dividend discount model. Include in your answer valuations based on the following assumptions: 1. constant growth of dividends; use the data in exhibit 3. 2. a multi-stage development of dividends (analogous to the three-stage approach by Bloomberg mentioned in the case) For both models, use both an 8% and a 9% discount rate. Comment on the differences. B. Assuming Wal-Mart (to be precise, its revenue)
Words: 465 - Pages: 2
researchResearch is the investigation into and the study of new materials in order to establish facts and reach new conclusions. It is swork undertaken on a systematis basis in order to increase the stock of knowledge. Research is a key aspect of journalism and as researchers we employ various sourdes and methods of research. Throughout this essay I will explore and examine the different sources available to journalists, the different types of interviews and I will describe the need for appropriate
Words: 1248 - Pages: 5
Integrative Network Design Project, Part 1 NTC/362 September 9, 2013 Integrative Network Design Project, Part 1 Introduction Kudler Fine Foods is known for the retail Gourmet Foods. They have three locations in San Diego, CA. Those Locations are the La Jolla, Del Mar, and Encinitas. Kudler Fine Foods was first founded by Kathy Kudler in 1998. Characteristics and Components When looking at possible system failure we need to take into account Kudler’s current system. Kudler’s Fine Foods
Words: 521 - Pages: 3
OSI MODEL Joseph Lucero College America Abstract In this paper it is going to explain the OSI model and all the layers. There are 7 layers in total: the layers are Application, Presentation, Session, Transport, Network, Data Link and Physical. It is going to explain what all the layers are and how they work in the OSI Model, it is also going to explain what every layer is. It is also going to explain why it was created and what the use for the OSI model is for today. You are going to know why
Words: 954 - Pages: 4
Database Design DBM 380 | | Databases Databases are electronic filing systems that consist of objects (Microsoft, para 2.) providing a quicker means to data retrieval than traditional paper and pen models. They have more flexibility than standard spreadsheets and offer the ability to run query searches. A properly designed database can retrieve items in complex searches; a task that might take hours or days manually, in a matter of minutes. Databases are designed to store large amounts
Words: 637 - Pages: 3
Chapter 1 Introduction Standard aircraft design processes have traditionally been divided in the following stages []: * Feasibility studies: design needs to satisfy prescribed performance requirements along with other geographical and cost constraints, * Conceptual design: design on paper or on computer, involves analysis tools covering performance evaluation in different maneuvers, * Preliminary design: laying of proper moulds for building airframes, * Prototype building: finally
Words: 681 - Pages: 3
CISN 351: Review Questions Chapter 2 2.1 What is a business intelligence (BI) system? 2.2 What is an ad-hoc query? 2.3 What does SQL stand for, and what is SQL? 2.4 What does SKU stand for? What is an SKU? 2.5 Summarize how data were altered and filtered in creating the Cape Codd data extraction. 2.6 Explain, in general terms, the relationships among the RETAIL_ORDER, ORDER_ITEM, and SKU_DATA tables. 2.7 Summarize the background of SQL. 2.8 What is SQL-92
Words: 7421 - Pages: 30
