Database system dbms Study guides, Class notes & Summaries

Chapter 3: Data Models TRUE/FALSE 1. A data model is usually graphical. ANS: T PTS: 1 2. The terms data model and database model are often used interchangeably. ANS: T PTS: 1 3. An implementation-ready data model should contain a description of the data structure that will store the end-user data. ANS: T PTS: 1 4. Within the database environment, a data model represents data structures with the purpose of supporting a specific problem domain. ANS: T PTS: 1 5. Data modeling starts with a...

INF3703 databases SUMMARY 2022/2023 Database Design 9-1 The Information System [p.440] A database is a carefully designed and constructed repository of facts. The database is part of a large whole known as an Information System, which provides for data collection, storage, transformation, and retrieval. Systems analysis is the process that establishes the need for an information system and its extent. The process of creating an information system is known as systems development. The per...

What is a broad definition of data? Raw facts that are captured on printed or digital media What are data? Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? It does not follow a data model. Which is true about flat files? They contain no internal hierarchical organization. Which technology has no internal hierarchy? Flat files How were data retrieved before database management systems? Sequ...

Computing Essentials 2019, 27e (O’Leary) Chapter 3 Application Software 1) This type of software works with end users, application software, and computer hardware to handle the majority of technical details. A) communications B) application C) utility D) system Answer: D Difficulty: 1 Easy Topic: Application Software Bloom's: Remember AACSB: Technology Accessibility: Keyboard Navigation Learning Outcome: 03-01 Identify general-purpose applications. 2) This type of software can be ...

14% Lesson 1 Introduction to Databases, Information and Data (7 Questions) Competency 4017.1.1: Introduction to Information and Data Explain how data, databases, and data management is used in today's organization Explain what data is and how is it stored Explain the different types of data Define file structures Explain how data was stored and retrieved before the use of database management systems 1.1 Why Databases • Best way to store and manage data • Makes data persiste...

Test Bank for MIS 10e 10th Edition by Hossein Bidgoli. ISBN-13: 8697 Full chapters test bank PDF Part 1: Fundamentals of Information Systems Chapter 1: Information Systems in Business 1-1 Computers and Information Systems in Daily Life 1-2 Computer Literacy and Information Literacy 1-3 The Beginning: Transaction-Processing Systems 1-4 Management Information Systems 1-5 Major Components of an Information System 1-6 Using Information Systems and Information Technologies 1-7 The IT J...

___ integrate different organizational processes information into a unified system for the entire enterprise - ANSWER B. ERP Just in Time (JIT) is - ANSWER C. a method for producing or delivering a product or service precisely when the customer wants it Monte Carlo Inc. wants to set up a luxury resort in a desert close to Cairo. With an eye on customer needs, it wants to ensure that all its guests can access the Internet from their rooms, the lobby, and the restaurants. Which of the follow...

WGU C175 OBJECTIVE ASSESSMENT PRACTICE TEST ANSWER 1. The Entity-Relationship (E-R) model is _____. a. a diagramming technique that describes record structures (i.e. the fields that make up the records of a file) b. an alternative to indexing and hashing as a means for providing direct access in files c. a diagramming technique that describes entities, their attributes, and the relationships between them d. an alternative to file design in which attributes are used instead of fields e. a diagram...

Test Bank for Database Systems Design, Implementation and Management 13th Edition Carlos Coronel & Steven Morris | All Chapters |Complete Guide (Latest Version 2023/2024) Rated A+. Chapter 01: Database Systems Copyright Cengage Learning. Powered by Cognero. Page 1 True / False 1. Data and information are essentially the same thing. a. True b. False ANSWER: False DIFFICULTY: Easy REFERENCES: 1-2 Data versus Information LEARNING OBJECTIVES: 01.01 - Define the difference between data and ...

WGU C175 quizzes with 100% correct answers One disadvantage of the DBMS is that it increases the risk of data security breaches. False True -Answer-False Accurate, relevant, and timely information is the key to _______. knowledge good decision making data management understanding -Answer-good decision making _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. Database design Query access Database manageme...