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All answers shall be typed using a word processor 2. (120) Consider the employee database of Fig. 2, where the primary keys are underlined. Given
All answers shall be typed using a word processor
2. (120) Consider the employee database of Fig. 2, where the primary keys are underlined. Given an SQL query for each of the following questions. a. Find the names of all employees who work for First Bank Corporation. b. Find the names and cities of residence of all employees who work for First Bank Corporation. Find the names, street addresses, and cities of residence of all employees who work for First Bank Corporation and earn more than $10,000. d. Find all employees in the database who live in the same cities as the companies for which they work. e. Find all employees in the database who live in the same cities and on the same streets as do their managers. f. Find all employees in the database who do not work for the First Bank Corporation. employee employee-id, employee-name, street, city) works(employee-id, company-id, salary) company(company-id, company-name, city) manages(employee-id, manager-id) Figure 2. Employee database Note: For each tuple of the manages relation, the manager-id is the manager's employee id. 2. (120) Consider the employee database of Fig. 2, where the primary keys are underlined. Given an SQL query for each of the following questions. a. Find the names of all employees who work for First Bank Corporation. b. Find the names and cities of residence of all employees who work for First Bank Corporation. Find the names, street addresses, and cities of residence of all employees who work for First Bank Corporation and earn more than $10,000. d. Find all employees in the database who live in the same cities as the companies for which they work. e. Find all employees in the database who live in the same cities and on the same streets as do their managers. f. Find all employees in the database who do not work for the First Bank Corporation. employee employee-id, employee-name, street, city) works(employee-id, company-id, salary) company(company-id, company-name, city) manages(employee-id, manager-id) Figure 2. Employee database Note: For each tuple of the manages relation, the manager-id is the manager's employee id
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