Pearson eText for Modern Database Management -- Instant Access (Pearson+)
Pearson eText for Modern Database Management -- Instant Access (Pearson+)
13th Edition
ISBN: 9780137305940
Author: Jeffrey Hoffer, Ramesh Venkataraman
Publisher: PEARSON+
bartleby

Concept explainers

bartleby

Videos

Textbook Question
Book Icon
Chapter 1, Problem 1.46PAE

Answer the following questions concerning Figures 1-18 and 1-19:

  1. What will be the field size for the ProductLineName field in the Product table? Why?
  2. In Figure 1-19 I, how is the ProductlD field in the Product table specified to be required? Why is it a required attribute?
  3. In Figure 1-19, explain the function of the FOREIGN KEY definition.
  4. In Figure 1-19, explain the purpose of the NOT NULL specification associated with ProductlD.

Blurred answer
Students have asked these similar questions
When working with subtype associations, it is important to discuss the many database table options that are available.Determine the layout that you wish to use, then discuss the concerns that are pertinent to it.
Using the invoice table stucture do the following:a.Write the relational schema ,draw its dependency diagram,and identy all dependencies,including all partial and transitive dependencies.You can assume that the table does not contain repeating groups and that an invoice number references more than one product.b.Remove all partial dependencies,write the relational schema,and draw the new dependency diagrams.Identify the normal forms for each table structure you created.c.Remove all transitive dependencies,write the relational schema,and draw the new dependency diagrams.Also identify the normal forms for each table structure you created.d.Draw the Crow's Foot ERD.
Explain the constraint between two attributes?

Additional Engineering Textbook Solutions

Find more solutions based on key concepts
Knowledge Booster
Background pattern image
Computer Science
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
dml in sql with examples; Author: Education 4u;https://www.youtube.com/watch?v=WvOseanUdk4;License: Standard YouTube License, CC-BY