Show how to insert the tuple ,111556666, Proj86, 120 & gt; in WORKS ON using SQL.

What kind of checks must the system perform to guarantee integrity of the above database ?

• Do the following queries in the language(s) indicated: 

• List the names (FName and LName) and Salary of each employee who works on all the projects controlled by Research department

• • Without using aggregate operators, find the names of employees who do *not* work on any project controlled by Research Department.
  Produce a view named DEPT INFO that lists for each department, its name, the number of employee working for the department, and the total salary of the employee working in the department (using SQL). List the SSN of all employees who work on exactly the same set of projects as employee with SSN=111332222. (Using SQL)