Specify and execute the following queries in relational algebra (RA) using
the RA interpreter on the COMPANY database schema in Figure 3.5.
a. List the names of all employees in department 5 who work more than 10
hours per week on the ProductX project.
b. List the names of all employees who have a dependent with the same first
name as themselves.
c. List the names of employees who are directly supervised by Franklin
d. List the names of employees who work on every project.
e. List the names of employees who do not work on any project.
f. List the names and addresses of employees who work on at least one project
located in Houston but whose department has no location in
g. List the names of department managers who have no dependents.
Recently Asked Questions
- Why do you think the eukaryotic DNA requires multiple origins of replication? A. Multiple origins help make more copies of the same DNA simultaneously. B.
- 6. For many years now, the United States has been running large current account deficits. Why hasn't the floating exchange rate mechanism brought those
- I need help with this assignment i need to find the subarguments and loopholes