What is data independence? How is it used to protect the database from changes? What are the two types of data independence? Mention the differences in these two types of approaches. Which of these types is more difficult to achieve? What is a view? How does a view help in achieving logical data independence?

What is System R? What is its connection to the SQL programming language? What are its two major subsystems? How is System R different from the relational structure in terms of its data structure? Are domains supported in System R ? How does System R help in achieving data independence?

What is data abstraction in database management? Which stage of database design is it used in? How does it help the database developer during the design of a database? Name the different levels of data abstraction? What is the function of each level? What is classification and how is it used to build an abstract hierarchy?

Once I have undertaken the rigorous process of carefully planning how my database should look like, what should be the next step to take? For a very large database system, would it be wise to employ one or two experts to assist with the coding or I can just rely on resources on the internet to get the job done? Which tools would I neec to carry out such a monumental project?

I am thinking of designing a very large database that can handle close to a million people. What best policies do I need to consider when designing such a system? Which potential bottlenecks does such a large systems present to designers and coders? How do I resolve the common bottlenecks associated with this kind of project?

In my asp.net application, users can upload / download files and ASPX files are accessed by the user later (it must implement security at the code level, because it would be better to use the application with minimal permissions to run). So now I have to save these files and where is the best place to store them. Should I give permission to record low in the current project to create or should I create a separate like "www.mydomain.com/files" and up virtual directory. I also want to prevent restarting the application domain. What is the best option to deal with this situation?

I am a student of computer science and now learning about software engineering. I need to know that what is Process Modeling and to what extent we need it for software development and I also need to know what are the draw backs of Water Fall method for process modeling .

I am having difficulty gaining access to Mysql database tables. The database is managed with EasyPHPDevServer which appears to be working alright, but unfortunately, I cannot connect to the database using normal log in procedure. How can I identify the cause of this incident? Which areas of the database system should I start the forensic investigations in order to identify the root cause?

What other alternative database server can I use to manage mysql databases? I am currently using EasyPHPDevServer. It has not worked properly for many months now, so I will like to know what other suitable alternatives to go for. Which alternative is more efficient and robust? Can I download it for free? Where can I go to download this alternative?

I am having problem connecting to mysql database on my laptop. The database system has a front-end written in PHP and HTML. I am able to log in using my credentials which are stored in the database but when it comes to actually connecting, I get the message, ‘unable to connect to the database’. How is that I can log in with my credentials stored in the database table, but I still get an error message, ‘unable to connect to database’? What could be the problem? How do you resolve this issue? I have already uninstalled and reinstalled the EasyPHPDevServer several times, but the problem persists.