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We have to make a dummy database that will store documents.  A User Interface Shoud be there containing options 
1)display pdf doc 
2)update pdf doc.
 After the user logins. For the update option, the user will upload the doc or the changes in the doc and then that changes/doc should go to the administrator for their approval and then it will be updated. The old doc then go to the archives in another database.


What I have tried:

i have tried it but i m not able to perform the required task
Posted
Updated 8-Jul-18 4:53am

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.

Try it yourself, you may find it is not as difficult as you think!
Start by reading the question, and break it down into smaller tasks. If you can do one of those, then do it, test it, and move on. If you can't do a task, break it down into smaller tasks, and try again. But working out what to do from the specification / question is part of the task!

If you meet a specific problem, then please ask about that and we will do our best to help. But we aren't going to do it all for you!
 
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Quote:
i have tried it but i m not able to perform the required task

To get some help here, you must show your work and explain the problem you have.
HomeWork problems are simplified versions of the kind of problems you will have to solve in real life, their purpose is learning and practicing.

We do not do your HomeWork.
HomeWork is not set to test your skills at begging other people to do your work, it is set to make you think and to help your teacher to check your understanding of the courses you have taken and also the problems you have at applying them.
Any failure of you will help your teacher spot your weaknesses and set remedial actions.
Any failure of you will help you to learn what works and what don't, it is called 'trial and error' learning.
So, give it a try, reread your lessons and start working. If you are stuck on a specific problem, show your code and explain this exact problem, we might help.
 
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