Expert Answers

1. Provide id and last name of employees whose second last character of the last name is ‘e’, ‘f’, ‘n’ or ‘t’ in the ascending order of the last name. (5)

there are two tables here:

Table Name: MIDTERM.EMPSUP

eid lname fname salary supervisorID deptid
101 smith john 200000.00 NULL 100
102 wang john 80000.00 101 100
103 johnson nancy 70000.00 101 100
104 johnsen nancy 60000.00 102 200
105 bush paul 150000.00 103 200
106 clinton bob 40000.00 NULL 300
107 clinton steve 500000.00 NULL 300
108 bush judy 600000.00 104 400
109 cook tim 700000.00 108 400
110 zucker mark 800000.00 NULL NULL

Table Name: MIDTERM.DEPENDENT

EmpID DependentID Gender DoB LName FName
101 1 M 1991-10-01 Smith Tom
101 2 F 1994-09-12 Smith Nancy
101 3 F 1998-01-13 Smith Mary
102 1 M 1989-10-04 Johnson Steve
102 2 F 1985-05-01 Carlson Cindy
104 1 M 1996-07-06 Thompson Paul
104 2 M 1997-11-15 Thompson Marc
104 3 F 1992-03-14 Thompson Jo
104 4 M 1997-09-23 Thompson John
105 1 F 1996-02-03 Lee Nancy

2. Provide employee id, last name and department name of all employees in the ascending order of employee id. Make sure you include all employees even if some may not have the departmental information available. Provide user friendly decent column names using aliases. If you need to use the outer join operation, use left-outer join. (5)

 

3. Provide the Department ID, average, maximum, and minimum of salaries paid for each department. Do not include employees without departmental affiliation. Provide descriptive column names using aliases. (5)
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