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PreviousConsider the following employee database, primary keys are underlined. Employee (ename, street, city) Works (ename, cname, salary) Company (cname, city) Manages (ename, manager-name) Write SQL queries to (i) Find the names of all the employees who work for XYZ. (ii) Find all employees who live in the same city as the company for which they work. (iii) Find all employees who live in the same cities and on the same streets as do their managers. (iv) Find all employees who earn more than the average salary of all employees of their company.NextWhat is weak entity set? Explain with suitable example. How weak entities are represented as relational schemas.
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