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Write down the advantages and disadvantages of working with multiple tables? Write an example of situation where multiple tables would be suitable in the application and explain why this approach is required in this scenario.
Illustrate all data in each of the four tables. Don't show foreign key columns. Write down the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
Write down some of problems and issues related with internet databases? Consider security, performance, architecture issues.
What actions does a referential integrity constraint prevent from occurring when data is inserted in a table that contains this constraint?
Write an SQL query to get the author of the book "The Alchemist"
Views are integral part of virtual private databases, yet views are utilized for many other reasons. Find out many other uses for views.
What is Recovering a database via rollforward? What is aim of transaction log? What is contained in transaction log?
it is not essential to give violations which have more than one attribute on right side. Decompose the relation, as essential, into collection of relations which are in BCNF.
How and why did database management systems become the organizational data management standard? Describe some advantages of database approach over file-system approach.
Need a system that networks its 3 campuses in the US and one campus in Singapore. Transaction data for all campuses should be available to all locations. In addition, students should be able to use the Internet to view classes, enroll, register, and ..
Prepare the example of table which is in first normal form but not in second normal form and example of a table which is in second normal form but not in third normal form.
What criteria would you use in selecting a life-cycle model for the project?
Over 70% of web applications use database to store persistent data. Write some of the problems and issues associated with internet databases?
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