display all fields in the JOB table sorted by the largest hourly charges for the job first
display all fields in the JOB table sorted by the largest hourly charges for the job first
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Based on the ERD below, display all fields in the JOB table sorted by the largest hourly charges for the job first.

Transcribed Image Text:The image depicts an Entity-Relationship Diagram (ERD) that showcases the relationships between four tables: JOB, EMPLOYEE, ASSIGNMENT, and PROJECT. Each table contains attributes, some of which serve as primary or foreign keys, establishing connections between the tables.
### Tables and Attributes:
1. **JOB Table**
- **Primary Key:** `JOB_CODE`
- **Attributes:**
- `JOB_DESCRIPTION`
- `JOB_CHG_HOUR`
- `JOB_LAST_UPDATE`
2. **EMPLOYEE Table**
- **Primary Key:** `EMP_NUM`
- **Attributes:**
- `EMP_LNAME`
- `EMP_FNAME`
- `EMP_INITIAL`
- `EMP_HIREDATE`
- `JOB_CODE` (Foreign Key)
- `EMP_YEARS`
3. **ASSIGNMENT Table**
- **Primary Key:** `ASSIGN_NUM`
- **Attributes:**
- `ASSIGN_DATE`
- `PROJ_NUM` (Foreign Key)
- `EMP_NUM` (Foreign Key)
- `ASSIGN_JOB`
- `ASSIGN_CHG_HR`
- `ASSIGN_HOURS`
- `ASSIGN_CHARGE`
4. **PROJECT Table**
- **Primary Key:** `PROJ_NUM`
- **Attributes:**
- `PROJ_NAME`
- `PROJ_VALUE`
- `PROJ_BALANCE`
- `EMP_NUM` (Foreign Key)
### Relationships:
- The `JOB` table is related to the `EMPLOYEE` table via the `JOB_CODE`. The cardinality indicates a one-to-many relationship, meaning a single job can be associated with multiple employees.
- The `ASSIGNMENT` table acts as a junction between the `EMPLOYEE` and `PROJECT` tables using foreign keys `EMP_NUM` and `PROJ_NUM`, indicating that multiple employees can be assigned to multiple projects. The relationships are many-to-one, denoting that each assignment is linked to one employee and one project.
This diagram is essential for understanding how different entities within a company interact and can be used to effectively manage workforce allocations and project assignments.
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