Relational database - Study guides, Class notes & Summaries

Pearson Edexcel International Advanced Level in Information Technology Unit 4: Relational Databases Mark Scheme (Results) June 2024

Introduction to Relational Databases CS1011 (SOPH-0047) Sophia Milestone 3 UNIT 3

Western Governors University WGU CS1011 Sophia_Introduction_to_Relational_Databases_Milestone_3

When a table field contains a null value, that value may be understood to be ______. - ANSWER unknown A conceptual, high-level description of the structure of a database is contained in: - ANSWER an entity-relationship (ER) model. Amanda is designing a relation. As she starts to consider sample data, she discovers that one attribute within a row needs to have more than one value. What should Amanda do about the design of the relation? - ANSWER Amanda should redesign the relation so that e...

WGU CS1011 Sophia Introduction to Relational Databases Milestone 2 Retake Questions and Answers Score 20/25. 20/25  that's 80% RETAKE  20 questions were answered correctly. 4 questions were answered incorrectly. 1 question was skipped. These were marked incorrect. In each milestone, you may want or need to use the database and query tool to answer some of the questions. We suggest you open the tool in another browser tab while you are working on this assessment. Which of the fol...

WGU CS1011 Sophia Introduction to Relational Databases Milestone 1 Retake Questions and Answers (Score 33/36) Latest. 33/36  that's 92% RETAKE  33 questions were answered correctly. 3 questions were answered incorrectly. In each milestone, you may want or need to use the database and query tool to answer some of the questions. We suggest you open the tool in another browser tab while you are working on this assessment. Identify the correctly constructed ALTER TABLE statement to ...

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 ...

Which phase of the cloud data life cycle allows both read and process functions to be performed? A Create B Archive C Store D Share correct answer: A Which phase of the cloud data security life cycle typically occurs simultaneously with creation? A Share B Store C Use D Destroy correct answer: B Which phase of the cloud data life cycle uses content delivery networks? A Destroy B Archive C Share D Create correct answer: C Which phase of the cloud data life cycle is...

WGU CS1011 Sophia Introduction to Relational Databases Milestone 2 Answered With Rationales.

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...