Relational database - Study guides, Class notes & Summaries

Chapter 18 Implementing an REA Model in a Relational Database Accounting Information Systems 12Th Ed by Marshall B. Romney - Test Bank

Introduction to Relational Databases CS1011 (SOPH-0047) Sophia Milestone 1 UNIT 1

WGU C175 Data Management – Foundations Final Exam (Latest 2023/ 2024) Questions and Verified Answers- Grade A Q: A one-to-many unary relationship allows an occurrence of the entity type on the "one side" of the relationship to be associated with . a) a single occurrence of the same entity type b) multiple occurrences of the same entity type c) a single occurrence of the different entity type on the "many side" of the relationship d) multiple occurrences of the different en...

DAD 220 - Chapter 2 Relational Database with complete verified solutions.

Introduction to Relational Databases CS1011 (SOPH-0047) Sophia Milestone 2 UNIT 2

Chapter 4 Relational Databases Accounting Information Systems 12Th Ed by Marshall B. Romney - Test Bank

Chapter 18 Implementing an REA Model in a Relational Database Accounting Information Systems 12Th Ed by Marshall B. Romney - Test Bank

Relational Database Fundamentals Study Questions Solved 100% Correct Which of the following is true of virtual tables? - ANSWER Virtual tables are used in views. In a data model, what does integrity information describe? - ANSWER Details about how the data will be kept accurate For which of the following activities would you use Data Definition Language (DDL)? - ANSWER To create databases and tables

Which result set requires a JOIN?
a.)
Showing all track names with genre names
b.)
Showing all track names with genre IDs
c.)
Showing all genre names with genre IDs
d.)
Showing all track names with both genre ID and track ID Which result set requires a JOIN?
a.)
Showing all invoice totals with both customer ID and invoice ID
b.)
Showing all customer names with customer IDs
c.)
Showing all invoice totals with customer last names
d.)
Showing all inv...

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...