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Write the following in relational algebra (the database sheet is attached
1. List the ssn, fname, lname of employees who do not work in the Administration or Headquarters department (do not use a set operation).
2. Retrieve the average salary and number of of employees who were are male.
3. Same as 4. but list the results for each department by dname, dnumber
4. For each employee, list the employee's firstname, last name and bdate of the employee's dependents (renamed as Dep_Bday) . If an employee does not have a dependent, the employee should still be listed.
5. List the dnumber of departments that have locations in all the same locations as department 5.
question 1a what is the main advantage of using master pages?b explain the purpose and advantage of using styles?c name
management utilities can be vendor-specific or vendor-neutral. there are many utilities that are available to provide a
Are Integers and Strings considered objects in VB? Elaborate.
What restraints are in your workplace that prevents the new computer system installation.
offer two common failures in moving a system from development into production status.
Prepare a modification of the encryption program of 15.5 whose transform function uses an integer key to transform the character passed to it.
the open systems interconnect osi model is a conceptual model that characterizes and standardizes the internal
as the lead software engineer for a medium-sized hospital you have been asked to spearhead an effort to improve the
question 1 internet explorer and firefox are examples of a type of computer application. any computer application
as a new graduate of umucs cybersecurity program you have decided to apply in a competitive selection process to a
What factors in computer design would affect the decision.
Write down a definition statement which describes a Car structure variable initialized along with the following information: Make: Ford Model: Mustang.
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