Practice

1: From the database select the employees who have purchased glasses. Display the last name, first name, eyeglasses purchase date, and optician.
2: From the database select the employees who have purchased glasses and the employees who have not purchased glasses. Display the last name, first name, eyeglasses purchase date, and optician.
3: From the database select the employees who have purchased glasses. Display the department name, last name, first name, eyeglasses purchase date, and optician.
4: Reperform question 3. Be sure to qualify each of the columns this time.
5: Determine the minimum wages paid to an employee.
6: Determine the maximum wages paid to an employee.
7: Determine the employee’s street that has the largest and smallest ...

Get Oracle SQL and PL/SQL Handbook: A Guide for Data Administrators, Developers, and Business Analysts now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.