<h3>Question Description</h3> <p>Assignment 4 required in syllabus, I will attach my submitted assignment 1, 2 and 3.</p><p><strong>10-15 references required. </strong></p><p><strong/><strong>Please make sure to follow the ideas from assignment 1,2 and
<p><img alt="6. Using a nested SELECT statement, retrieve the department numbers of the employees with phone extension 123. 7. a) Add the tuple ‘D4, COMPLAINTS, E3 to the table ‘DEPARTMENT.
<h3>Question Description</h3> <p>Details:</p><p>1. A) Develop a problem statement that you are trying to solve. What is the problem you are trying to address?</p><p>2. B) Brainstorm to develop a list of