Question

Consider the following database: Employee (person name, street, city), Works (person name, street, city), manages (person name, manager name). Using relational algebra, answer the following queries: 1. Find the names of all employees who earn more than every employee of the company "Company A". 2. Find the names of all employees who live in the same city as their managers.

Name: consider the following database employeeperson name street city worksperson name street city managesperson name manager name using relational algebra answer the following queries 1 find the 82573
Uploaded: 2023-10-29T17:15:33-08:00
Duration: 2 min 9 s
Channel: Akash M
Description: consider the following database employeeperson name street city worksperson name street city managesperson name manager name using relational algebra answer the following queries 1 find the 82573

          Consider the following database: Employee (person name, street, city), Works (person name, street, city), manages (person name, manager name). Using relational algebra, answer the following queries:
1. Find the names of all employees who earn more than every employee of the company "Company A".
2. Find the names of all employees who live in the same city as their managers.

Added by Jennifer B.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Akash M

10/29/2023

Step 1

Find the names of all employees who earn more than every employee of the company "Company A" First, we need to find the maximum salary earned by any employee of "Company A". We can do this using the MAX operator in relational algebra: MAX(salary) (Works ⨝ Show more…

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Consider the following database: Employee (person name, street, city), Works (person name, street, city), manages (person name, manager name). Using relational algebra, answer the following queries: 1. Find the names of all employees who earn more than every employee of the company "Company A". 2. Find the names of all employees who live in the same city as their managers.