Logical database Study guides, Revision notes & Summaries

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...

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...

Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Conceptual design 3. What characterizes the rules of relational databases? -They are logical constraints that ensure the data is valid. -They are...

What are the three tiers in GW application architecture - Data, application, presentation (or user interface/web clients) In which tier are the following used? PCF Files, Gosu, and Data model entities? - Presentation, application, and data respectively For each of the following, identify if it is stored as a database table, as a table column, or not stored in the database at all: a) An entity (such as ABContact) b) A physical data field (such as ABContact.CreateTime) c) A virtual data fi...

INS3707 Assignment 1 (COMPLETE ANSWERS) Semester 1 2024 ; 100% TRUSTED workings, explanations and solutions. for assistance Whats-App 0.6.7..1.7.1..1.7.3.9 ......................................... QUESTION 1 Choose the correct option from the list provided for each question. Write ONLY the correct letter of the alphabet next to the question number on your answer sheet, Example: 1.1 C. Each question counts 1 mark. 1.1 …. Is a list of words that can be used to retrieve information in ...

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 ...

INS3707 Assignment 1 (DETAILED ANSWERS) Semester 1 2024 - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED Answers, guidelines, workings and references ............ QUESTION 1 Choose the correct option from the list provided for each question. Write ONLY the correct letter of the alphabet next to the question number on your answer sheet, Example: 1.1 C. Each question counts 1 mark. 1.1 …. Is a list of words that can be used to retrieve information in an infor...

The unauthorized copying of software is referred to as: correct answer: Pirated Software There are images online that you want to use. The website states that the images are not copyrighted. You think you can use these without breaking the law. These images are referred to being in the what? correct answer: Public Domain The best security for passwords is: correct answer: Memorize it Eight bits equal how many bytes? correct answer: 1 One megabyte equals how many bytes? correct an...

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...

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...