Answered: Please write a view to list staff’s…

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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Please write a view to list staff’s names, salary, ages, and their supervisors’
names, salary, and ages for all staff whose supervisor’s age is younger than the staff’s age and their
supervisor’s salary is higher than the staff’s salary. You should use Staff2 table. The output header
needs to distinguish between staff and manger: (E_name, E_salary, E_age, M_name, M_salary, M_age)

Transcribed Image Text:### Employee Data Table The table below presents detailed information on various employees, including their identifiers, personal details, job roles, and salaries. | staffNo | fName | lName | position | sex | DOB | salary | branchNo | superno | |---------|--------|-------|------------|-----|------------|---------|----------|---------| | ABC1 | New | Eng | Intern | M | 2000-01-01 | 9000.00 | B002 | SL21 | | CC1 | Super | User | DBA | M | 1995-01-01 | 90000.00 | B005 | SG14 | | SA9 | Mary | Howe | Assistant | F | 1970-02-19 | 9000.00 | B007 | SG5 | | SG14 | David | Ford | Supervisor | M | 1958-03-24 | 18000.00 | B003 | SG5 | | SG37 | Ann | Beech | Assistant | F | 1960-11-10 | 12000.00 | B003 | SG5 | | SG5 | Susan | Brand | Manager | F | 1940-06-03 | 24000.00 | B003 | SL21 | | SL21 | John | White | Manager | M | 1945-10-01 | 30000.00 | B005 | NULL | | SL41 | Julie | Lee | Assistant | F | 1965-06-13 | 9000.00 | B005 | SL21 | | XY1 | New | Tester| Assistant | M | 1990-01-01 | 8000.00 | B002 | SL21 | **Columns Explanation:** - **staffNo**: Unique identifier for each staff member. - **fName**: First name of the employee. - **lName**: Last name of the employee. - **position**: Job role of the employee. - **sex**: Gender of the employee (M for Male, F for Female). - **DOB**

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It has to be based on this table

Transcribed Image Text:The presented image is a table showcasing information about two individuals. The table contains six columns, each delineated by dashed lines for clear separation. Here's a detailed transcription: - **E_name**: Susan Brand - **E_salary**: 24000.00 - **E_age**: 83 - **M_name**: John White - **M_salary**: 30000.00 - **M_age**: 78 ### Explanation: 1. **Columns**: - **E_name**: Represents the employee's name. - **E_salary**: Indicates the employee's salary, formatted as a numerical value. - **E_age**: Displays the employee's age. - **M_name**: Represents the manager's name. - **M_salary**: Indicates the manager's salary, also formatted as a numerical value. - **M_age**: Displays the manager's age. 2. **Rows**: - The single data row provides detailed information corresponding to each column for Susan Brand and John White. The table is primarily used to compare the salary and age information of an employee (E) and a manager (M) in a structured format.

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