Conceptual schema - Study guides, Class notes & Summaries

INS3707 Assignment 2 (COMPLETE ANSWERS) Semester 2 2024 - DUE August 2024 ; 100% TRUSTED Complete, trusted solutions and explanations. For assistance, Whats-App 0.6.7-1.7.1-1.7.3.9. Ensure your success with us ........... Question 1 First read learning unit 9 in the study guide and then do the thesaurus construction exercises in the workbook (Tutorial letter 102). Construct thesaurus entries from the following lists of terms: Clinics Health institutions Hospitals Doctors Add ref...

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 ( whe...

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...

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...

WGU C909 Exam Guide (Latest 2023-2024) Complete Solution. Constructivist Theory - correct answer Reading is a process in which the reader actively searches for meaning in what she reads. Builds on prior knowledge. sociocultural theory - correct answer Similiar to constructivist. Learning is social rather than individual. Learners work together. Schema - correct answer A conceptual framework a person uses to make sense of the world Reader Response Theory - correct answer Focuses on reader ...

Cloud Service Providers (CSP) - Answer-Google, DropBox, and Microsoft are company examples of what type of providers? Structured Query Language (SQL) - Answer-Using data visualization instead of _______________________, makes business programming much easier to understand. Can be described as computer applications that change data into significant, meaningful information that helps organizations make better decisions. - Answer-Business Intelligence Database Management Systems (DBMS) - A...

external schema - Answer-Also called a subschema, this is a specific view of the data utilized by an end user conceptual schema - Answer-This describes all the entities, attributes, and relationships together with integrity constraints. Each DB has exactly one. internal schema - Answer-A complete description of the internal model, down to the physical storage of data. Each DB has exactly one. logical data independence - Answer-The immunity of the external schemas to changes in the concept...

ISTM 210 - Exam 3 (Phinney) Questions and Answers 100% Pass Google, DropBox, and Microsoft are company examples of what type of providers? Cloud Service Providers (CSP) Using data visualization instead of _______________________, makes business programming much easier to understand. Structured Query Language (SQL) Business Intelligence Can be described as computer applications that change data into significant, meaningful information that helps organizations make better decisions....

Google, DropBox, and Microsoft are company examples of what type of providers? - Answer-Cloud Service Providers (CSP) Using data visualization instead of _______________________, makes business programming much easier to understand. - Answer-Structured Query Language (SQL) Business Intelligence - Answer-Can be described as computer applications that change data into significant, meaningful information that helps organizations make better decisions. A well thought-out collection of computer...

independence correct answers A database management systems supports and simplifies application and data ___________. Which of the following below are among the main objectives of a modern DBMS? Check all that apply. correct answers security from unauthorized access, methods for manipulating data, methods for defining data, recovery of data during failures, methods for retrieving data Edger F. Codd correct answers IBM research scientist is credited with the invention of the relational model...