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In a "chosen ciphertext attack" the attacker has the option of choosing the ciphertext sample and having it decrypted by someone who knows the key. Wouldn't this result in pure gibberish most of the time?
our current database uses dictionary-managed tablespaces. In running various performance tuning scripts, you have discovered that one of these tablespaces seems to have run out of space long before you calculated that it would.
Perform the conceptual database design using Entity-Relationship model. You must submit the Entity-Relationship diagram of your database and develop queries in the target DBMS
Generate the view called RepairSummary which shows only RepairInvoiceNumber, TotalCost, and TotalPaid. Illustrate the SQL statement to retrieve all RepairSummary data sorted by TotalCost.
internship at Mountain View Realty, a real estate firm that focuses in the North Utah County area. The previous intern developed a spreadsheet listing houses listed and sold during the last several months. She included addresses, location, list pr..
A vendor builds multiple types of tablet computers. Each hs a type identification number and a name. The key specifications for each type include amount of storage and display type.
All primary keys are underlined. All foreign keys have same name as primary key that they are referencing. Determine the names of all Tracks which are more than 10 minutes (600,000 ms) long.
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.
What advantage is there in storing metadata in tables? Is Microsoft Access a DBMS? Why or why not? List the several consequences of a poorly designed database.
Your company has put in the request for a new database system and you have been tasked with architecting the security associated with this new project.
An academic department record points earned by individual students in their classes
List the students ID, name, GPA, and course Number such that all students have GPA greater than 3 . 5 and enrolled in a course in Jan 1, 2011. Find the names of all students who have GPA greater than 3.
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
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