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1. Explain the interactions among end user, data, information, and decision making.
2.Suppose you are a DBA staff member. What data dimensions would you describe to top-level managers to obtain their support for the data administration function?
3. How and why did database management systems become the organizational data management standard? Discuss some advantages of the database approach over the file-system approach.
Estimate the height of the B+ tree. (Giving a range of heights is fine.) Also estimate the amount of memory needed to store the tree, including leaves but not including the posting lists themselves.
Create a database from scratch that contains, at a minimum, the elements listed below
Draw an ER diagram for your database scenario. Design a set of 3NF tables for your database scenario.
determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables.
Using Internet as the research tool for extra information not presented in text, describe why application roles are important part of the security model for databases.
Suppose we are to design a registrar's database to store information about students, courses, the courses students have taken. Convert the E/R diagram into a relational schema.
Describe the difference ways of implementing one-to-one relationships. Assume you are maintaining information on offices (office numbers, building, and phone numbers)
Consider following opinion shared by some people: database management systems and data-warehousing techniques are the greatest threat to individual privacy in modern times. What is your opinion?
To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.
The database application project (DAP) for this course consists of the creation of a fully functional Microsoft Access database application for a real client.
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.
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
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