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No. Questions TRUE / FALSE 1. A data model is usually graphical. Database designers determine the data and information that yield the required understanding of the entire business. 2. 3. Business rules must be rendered in writing.

No. Questions TRUE / FALSE 1. A data model is usually graphical. Database designers determine the data and information that yield the required understanding of the entire business. 2. 3. Business rules must be rendered in writing.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Determine whether the following statement is TRUE / FALSE

No. Questions TRUE / FALSE 1. A data model is usually graphical. 2. Database designers determine the data and information that yield the required understanding of the entire business. 3. Business rules must be rendered in writing. A disadvantage of the relational database management system (RDBMS) is its inability to hide the complexities of the relational model from the user 4. 5. Each row in the relational table is known as an entity instance or entity occurrence in the ER model. 6. In an SQL-based relational database, rows in different tables are related based on common values in common attributes. 7. M:N relationships are not appropriate in a relational model. In Chen notation, entities and relationships have to be oriented horizontally; not vertically. 8. 9. Today, most relational database products can be classified as object/relational. 10. The network model has structural level dependence.
Transcribed Image Text:No. Questions TRUE / FALSE 1. A data model is usually graphical. 2. Database designers determine the data and information that yield the required understanding of the entire business. 3. Business rules must be rendered in writing. A disadvantage of the relational database management system (RDBMS) is its inability to hide the complexities of the relational model from the user 4. 5. Each row in the relational table is known as an entity instance or entity occurrence in the ER model. 6. In an SQL-based relational database, rows in different tables are related based on common values in common attributes. 7. M:N relationships are not appropriate in a relational model. In Chen notation, entities and relationships have to be oriented horizontally; not vertically. 8. 9. Today, most relational database products can be classified as object/relational. 10. The network model has structural level dependence.
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