Logical database design Study guides, Class notes & Summaries

INF assignment 2 CASE After graduating from university with a BTech degree in Information Systems, you are appointed as a system analyst at Logic Designs, a software development vendor. Logic Designs has been hired by E-beats_Africa, a digital marketing company that specialises in promoting and monetizing TikTok artists and their creative content. E-beats_Africa assigns talent agents1 to TikTokers to market and sell creative content. Creative content is defined as a 15 second to 3-minute recor...

WGU D426 V2 QUESTIONS AND ANSWERS WITH CERTIFIED SOLUTIONS The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. Functional Dependency 3 MULTIPLE CHOICE OPTIONS An attribute that can be used to find the value of another attribute in the relation. Determinant 3 MULTIPLE CHOICE OPTIONS Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. Candidate Key 3 MULTIPL...

WGU DATA MANAGEMENT FOUNDATIONS D426 FINAL EXAM 2024 GRADED A+. 2 / 11 1. Which requirement within large, complex databases ensures users havelimited access to the database? Recovery Performance Authorization Confidentiality: Authorization 2. Which design type specifies database requirements without regard to aspecific database system? Physical design Conceptual design Logical design Abstract design: Conceptual design 3. 3. What characterizes the rules of relational databases? -Th...

WGU D426 Objective Assessment (Latest 2023/ 2023 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: The storage manager translates Answer: the query processor instructions into low-lev- el file-system commands that modify or retrieve data Q: Database sizes range from Answer: from megabytes to many terabytes, Q: the storage manager uses what to quickly locate data Answer: indexes Q: Metadata is Answer: data about the...

Test Bank for Modern Database Management, 13th Edition, Jeff Hoffer, Ramesh Venkataraman, Heikki Topi, ISBN-10: 4, ISBN-13: 7006. All 14 Chapters (complete Download). TABLE OF CONTE NTS I. The Context of Database Management 1. The Database Environment and Development Process II. Database Analysis and Logical Design 2. Modeling Data in the Organization 3. The Enhanced E-R Model 4. Logical Database Design and the Relational Model III. Database Implementation and Use 5. Introduction to SQL 6. Advan...

The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. Functional Dependency 3 MULTIPLE CHOICE OPTIONS An attribute that can be used to find the value of another attribute in the relation. Determinant 3 MULTIPLE CHOICE OPTIONS Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. Candidate Key 3 MULTIPLE CHOICE OPTIONS Define & manage database structures DD...

UTA INSY 3304 - Exam 2 - Chapter 7&9 Latest 2023 Graded A Data definition language DDL Data manipulation language DML CREAT SCHEMA AUTHORIZATION Creates a database schema CREATE TABLE Creates a new table in the user's databse schema NOT NULL Ensures that a column will not have null values UNIQUE Ensures that a column will not have duplicate values PRIMARY KEY Defines a primary key for a table FOREIGN KEY Defines a foreign key for a table DEFAULT Defines a default value for a column ( wh...

True & False The objective of SOL performance tuning on the client side is to generate an SOL query that returns the correct answer in the least amount of time, using the maximum amount of resources on the server side All database transactions must display at least the properties of Atomicity, consistency, convenience, and isolation Database recovery techniques are based on the isolation transaction property which indicate that the data used during execution of a transaction cannot...

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...

Nursing Informatics Certification Exam, ANCC Informatics, ANCC Nursing Informatics Certification Review 629 Questions with Answers Meta structure of NI - CORRECT ANSWER The ability of the nurse to utilize data, information, and knowledge to make wise clinical decisions. Definition of Nursing Informatics - CORRECT ANSWER A speciality that integrates nursing science with multiple information and analytical sciences to identify, define, manage and communicate data, information, knowledge and ...