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Over 70% of web applications use a database to store persistent data. What are some of the problems and issues associated with internet databases? Consider security, performance, architecture issues and whatever else is relevant with regard to the database. What can be done to solve these problems? Also: Please comment on, and discuss the situations posted by other students. Do you agree or disagree and why?
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
Implement a database of courses and students for a school.
Is software measurement equivalent to software metrics? What makes them different?
Express given five loosely described problems carefully in { Instance, Question } form as utilized in "Computers and Intractability". Determine that a list of n numbers has no duplicates.
Suppose that we replace the wait and signal operations of monitors with a single construct await(B), where B is a general Boolean expression. Write a monitor using this scheme to implement the readers--writers problem.
Write the name(s) of employee(s) who works(work) on every project located in Houston. Write the name(s) of employee(s) who only works(work) on every project located in 'Houston.'
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
You have probably seen that already when you tried to create an E-R diagram. Visio uses notation and graphical shapes that are not the same as those in your text. If you look at some of the links to schemas, you will see a similar sort of thing.
You have a company, specializing in managing technology solutions. you have ben just hired by big firm to execute a well-planned strategy.
Explain the role of a database administrator,the tasks performed by this role and why this role is important in Database Management.
Write an SQL query to get the author of the book "The Alchemist"
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