Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
(a) What is a view?
(b) What is the implication of creating a view with the select * statement in the view definition?
(c) Make reference to the relational schema given in Appendix I to answer this question. Create a VIEW called SALARY_VU based on the employee last names, first names, department names and salaries for those employees whose monthly salary is greater than 10000. Label the column Employee Last Name, Employee First Name, Department and Salary respectively. Make sure to encrypt the view.
(d) Explain the purpose of an Outer Join.
(e) In the HR schema given in the Appendix II, there are certain employees who are not assigned to any department and there is a few departments where no employee has been assigned yet.
(i) Write SQL code to display the employee Last name, the department_id and the department name for all employees. Your answer should display even those employees who have not been assigned to any departments.
(ii) Write SQL code to display the employee Last name, the department_id and the department name for all employees. Your answer should display even those departments which have no employee assigned to the departments.
I need help creating a DFD for an assignment. Is there anyway you could help?
Q. Explain the concept of Top down design? Top down design: A top down design approach begins by identifying the major modules of the system decomposing them into their lower
Explain about rapid prototyping techniques. Used to animate the system specification. It is expressed in a formal, mathematical language to provide a system prototype
What is data modeling? Data modeling is the basic step in the analysis modeling. In data modeling the data objects are explained independently of processing. The data model sho
Four Different Phases of spiral model are: 1) Planning 2) Risk analysis 3) Development 4) Assessment
What is ripple effect? The ripple effect is a term used to describe a situation where, like the ever expanding ripples across water when an object is dropped into it, an
Justify the term "Software is engineered"?
Explain incremental model? The incremental model is proposed by D.L PARNAS. It is basically executed by combining elements of linear sequential model and iterative prototyping
Which is not the purpose of full annealing Produces hardest material.
What is Process analysis and modelling? Process analysis The study of existing processes to understand the relationships among parts of the process and to compare them
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd