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Based on the ERD below, display all assigned numbers that had an assigned charge per hour greater than $84.5 and assigned charges were less than $200.

Based on the ERD below, display all assigned numbers that had an assigned charge per hour greater than $84.5 and assigned charges were less than $200.

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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Based on the ERD below, display all assigned numbers that had an assigned charge per hour greater than $84.5 and assigned charges were less than $200.

The image displays a database entity-relationship (ER) diagram, which illustrates the relationships between different entities within a database system. Here's a detailed explanation of each entity and their relationships: ### Entities and Attributes 1. **JOB** - *Attributes:* - **JOB_CODE**: Primary key, unique identifier for each job. - **JOB_DESCRIPTION**: Details about the job. - **JOB_CHG_HOUR**: Hourly charge for the job. - **JOB_LAST_UPDATE**: Date of the last update to the job information. 2. **EMPLOYEE** - *Attributes:* - **EMP_NUM**: Primary key, unique identifier for each employee. - **EMP_LNAME**: Last name of the employee. - **EMP_FNAME**: First name of the employee. - **EMP_INITIAL**: Middle initial of the employee. - **EMP_HIREDATE**: Date the employee was hired. - **JOB_CODE**: Foreign key, linking to JOB entity. - **EMP_YEARS**: Number of years the employee has worked. 3. **ASSIGNMENT** - *Attributes:* - **ASSIGN_NUM**: Primary key, unique identifier for each assignment. - **ASSIGN_DATE**: Date of the assignment. - **PROJ_NUM**: Foreign key, linking to PROJECT entity. - **EMP_NUM**: Foreign key, linking to EMPLOYEE entity. - **ASSIGN_JOB**: Details of the job assigned. - **ASSIGN_CHG_HR**: Charge per hour for the assignment. - **ASSIGN_HOURS**: Total hours assigned. - **ASSIGN_CHARGE**: Total charge for the assignment. 4. **PROJECT** - *Attributes:* - **PROJ_NUM**: Primary key, unique identifier for each project. - **PROJ_NAME**: Name of the project. - **PROJ_VALUE**: Total value of the project. - **PROJ_BALANCE**: Remaining balance of the project. - **EMP_NUM**: Foreign key, linking to EMPLOYEE entity. ### Relationships - **JOB** to **EMPLOYEE**: A one-to-many relationship, indicating that each job can be assigned to multiple employees. - **EMPLOYEE** to **ASSIGNMENT**: A one-to-many
Transcribed Image Text:The image displays a database entity-relationship (ER) diagram, which illustrates the relationships between different entities within a database system. Here's a detailed explanation of each entity and their relationships: ### Entities and Attributes 1. **JOB** - *Attributes:* - **JOB_CODE**: Primary key, unique identifier for each job. - **JOB_DESCRIPTION**: Details about the job. - **JOB_CHG_HOUR**: Hourly charge for the job. - **JOB_LAST_UPDATE**: Date of the last update to the job information. 2. **EMPLOYEE** - *Attributes:* - **EMP_NUM**: Primary key, unique identifier for each employee. - **EMP_LNAME**: Last name of the employee. - **EMP_FNAME**: First name of the employee. - **EMP_INITIAL**: Middle initial of the employee. - **EMP_HIREDATE**: Date the employee was hired. - **JOB_CODE**: Foreign key, linking to JOB entity. - **EMP_YEARS**: Number of years the employee has worked. 3. **ASSIGNMENT** - *Attributes:* - **ASSIGN_NUM**: Primary key, unique identifier for each assignment. - **ASSIGN_DATE**: Date of the assignment. - **PROJ_NUM**: Foreign key, linking to PROJECT entity. - **EMP_NUM**: Foreign key, linking to EMPLOYEE entity. - **ASSIGN_JOB**: Details of the job assigned. - **ASSIGN_CHG_HR**: Charge per hour for the assignment. - **ASSIGN_HOURS**: Total hours assigned. - **ASSIGN_CHARGE**: Total charge for the assignment. 4. **PROJECT** - *Attributes:* - **PROJ_NUM**: Primary key, unique identifier for each project. - **PROJ_NAME**: Name of the project. - **PROJ_VALUE**: Total value of the project. - **PROJ_BALANCE**: Remaining balance of the project. - **EMP_NUM**: Foreign key, linking to EMPLOYEE entity. ### Relationships - **JOB** to **EMPLOYEE**: A one-to-many relationship, indicating that each job can be assigned to multiple employees. - **EMPLOYEE** to **ASSIGNMENT**: A one-to-many
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