Do the tables in figure 1 exhibit entity referential integrity? Why or why not?
Do the tables in figure 1 exhibit entity referential integrity? Why or why not?
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
Related questions
Question
Do the tables in figure 1 exhibit entity referential integrity? Why or why not?

Transcribed Image Text:**Figure 1**
This diagram represents a database structure with four tables: EMPLOYEE, BENEFIT, JOB, and PLAN.
**Table: EMPLOYEE**
- **Columns:**
- EMP_CODE: Employee Code
- EMP_LNAME: Employee Last Name
- JOB_CODE: Job Code
- **Rows:**
1. EMP_CODE: 14, EMP_LNAME: Rudell, JOB_CODE: 2
2. EMP_CODE: 15, EMP_LNAME: McDade, JOB_CODE: 1
3. EMP_CODE: 16, EMP_LNAME: Ruellardo, JOB_CODE: 1
4. EMP_CODE: 17, EMP_LNAME: Smith, JOB_CODE: 3
5. EMP_CODE: 20, EMP_LNAME: Smith, JOB_CODE: 2
**Table: BENEFIT**
- **Columns:**
- EMP_CODE: Employee Code
- PLAN_CODE: Plan Code
- **Rows:**
1. EMP_CODE: 15, PLAN_CODE: 2
2. EMP_CODE: 15, PLAN_CODE: 3
3. EMP_CODE: 16, PLAN_CODE: 1
4. EMP_CODE: 17, PLAN_CODE: 3
5. EMP_CODE: 17, PLAN_CODE: 4
6. EMP_CODE: 20, PLAN_CODE: 3
**Table: JOB**
- **Columns:**
- JOB_CODE: Job Code
- JOB_DESCRIPTION: Job Description
- **Rows:**
1. JOB_CODE: 1, JOB_DESCRIPTION: Clerical
2. JOB_CODE: 2, JOB_DESCRIPTION: Technical
3. JOB_CODE: 3, JOB_DESCRIPTION: Managerial
**Table: PLAN**
- **Columns:**
- PLAN_CODE: Plan Code
- PLAN_DESCRIPTION: Plan Description
- **Rows:**
1. PLAN_CODE: 1, PLAN_DESCRIPTION: Term life
2. PLAN_CODE: 2, PLAN_DESCRIPTION: Stock purchase
3. PLAN_CODE: 3, PLAN_DESCRIPTION: Long-term disability
4. PLAN_CODE: 4, PLAN_DESCRIPTION: Dental
This database structure allows for the association of employees with their respective jobs and benefits.
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps

Knowledge Booster
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.Recommended textbooks for you

Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education

Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON

Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON

Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education

Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON

Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON

C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON

Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning

Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education