Based on the ERD below, delete the record for job code 504. After completing this task examine the results with a select statement. This image depicts an Entity-Relationship Diagram (ERD) representing the relationships between four tables: JOB, EMPLOYEE, ASSIGNMENT, and PROJECT. Each table contains various attributes, including primary keys, which are marked with a key icon.**Tables and Attributes:**1. **JOB Table** - Primary Key: JOB_CODE - Attributes: - JOB_DESCRIPTION - JOB_CHG_HOUR - JOB_LAST_UPDATE2. **EMPLOYEE Table** - Primary Key: EMP_NUM - Attributes: - EMP_LNAME - EMP_FNAME - EMP_INITIAL - EMP_HIREDATE - JOB_CODE (foreign key linking to JOB table) - EMP_YEARS3. **ASSIGNMENT Table** - Primary Key: ASSIGN_NUM - Attributes: - ASSIGN_DATE - PROJ_NUM (foreign key linking to PROJECT table) - EMP_NUM (foreign key linking to EMPLOYEE table) - ASSIGN_JOB - ASSIGN_CHG_HR - ASSIGN_HOURS - ASSIGN_CHARGE4. **PROJECT Table** - Primary Key: PROJ_NUM - Attributes: - PROJ_NAME - PROJ_VALUE - PROJ_BALANCE - EMP_NUM (foreign key)**Relationships:**- The JOB table is connected to the EMPLOYEE table using a one-to-many relationship through the JOB_CODE attribute.- The EMPLOYEE table is related to the ASSIGNMENT table through the EMP_NUM attribute, indicating that one employee can have many assignments.- The PROJECT table is linked to the ASSIGNMENT table through the PROJ_NUM attribute, showing that a project can have many assignments.- The EMPLOYEE table also connects to the PROJECT table, indicating a relationship through the EMP_NUM attribute. This ERD is structured to manage employment assignments and project management within an organization, showing how each entity interacts with others.

DELETE is command used to delete recordsDELETE FROM JOB WHERE JOB_CODE=504; SELECT * FROM JOB;

Answered: delete the record for job code 504.…

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delete the record for job code 504. After completing this task examine the results with a select statement.

Computer Networking: A Top-Down Approach (7th Edition)

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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Based on the ERD below, delete the record for job code 504. After completing this task examine the results with a select statement.

This image depicts an Entity-Relationship Diagram (ERD) representing the relationships between four tables: JOB, EMPLOYEE, ASSIGNMENT, and PROJECT. Each table contains various attributes, including primary keys, which are marked with a key icon.

**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 linking to JOB table)
- EMP_YEARS

3. **ASSIGNMENT Table**
- Primary Key: ASSIGN_NUM
- Attributes:
- ASSIGN_DATE
- PROJ_NUM (foreign key linking to PROJECT table)
- EMP_NUM (foreign key linking to EMPLOYEE table)
- 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 connected to the EMPLOYEE table using a one-to-many relationship through the JOB_CODE attribute.
- The EMPLOYEE table is related to the ASSIGNMENT table through the EMP_NUM attribute, indicating that one employee can have many assignments.
- The PROJECT table is linked to the ASSIGNMENT table through the PROJ_NUM attribute, showing that a project can have many assignments.
- The EMPLOYEE table also connects to the PROJECT table, indicating a relationship through the EMP_NUM attribute.

This ERD is structured to manage employment assignments and project management within an organization, showing how each entity interacts with others.

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