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Write a relational algebra expression for the following relational database schema. Use S, P, R for Selection, Project, and Rename. HOME (EMPLOYEE_NAME, STREET, CITY, STATE,

Write a relational algebra expression for the following relational database schema. Use S, P, R for Selection, Project, and Rename.

HOME (EMPLOYEE_NAME, STREET, CITY, STATE, ZIP)

WORK (EMPLOYEE_NAME, COMPANY_NAME, SALARY)

ADDRESS (COMPANY_NAME, CITY, STATE, ZIP)

MANAGER (EMPLOYEE_NAME, MANAGER_NAME)

Find employee name and company of all employees whose salary is greater than 50,000.

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