Database system dbms Study guides, Class notes & Summaries

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...

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 ...

data - Answer- Numeric, textual, visual, or audio information that describes real-world systems scope, format, and access - Answer- 3 ways data can vary scope - Answer- the amount of data produced and collected format - Answer- describes that data may be produced as numbers, text, image, audio, or video access - Answer- describes that some data sets may be private while others are made publicly available analog - Answer- historically, most data was ____, encoded as continuous vari...

WGU C175 Data Management – Foundations Final Exam Set (Latest 2023/ 2024 Update) Questions and Verified Answers- Already Grade A| 100% Correct Q: What are the three phases of database design for large complex databases? Answer: analysis logical design physical design Q: What are the alternative names used to describe the Analysis phase? Answer: conceptual design entity-relationship modeling and requirements Q: How are requirements of a DBMS represented? ...

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...

WGU - D426|A+ Graded Questions with Complete Answers Data Data is numeric, textual, visual or audio information that describes real-world systems. Analog Historically, data was mostly analog, encoded as continuous variations on various physical media digital today, data is mostly digital, encoded as zeros and ones on electronic and magnetic medai Database a collection of data in a structured format database system also known as DBMS, is software that reads and writes da...