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Please explain how a databses management system (DBMS) and data mining can help a motor vehicle maintenance center improve its services, and what tables would be needed in such a database.
Also what additional way can the DBMS and data mining be used to imporve customer service.
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?
Delete a contact by having the user enter the name
What is the average length of stay per room type. What is the average number of visitor per room type. What is the base income per room (i.e., length of visit multiplied by the daily rate) during a specified period of time
Develop a Context Diagram and a System Level Data Flow Diagram , make sure you properly identify all the components. Develop an ERD as well making sure you properly label the Entity name.
Create ERD containing Order and Customer entity types connected by 1-M relationship from Customer to Order. Select suiatble relationship name using your common knowledge of intersection.
Compute the closure sets of R, find all non-trivial dependencies and what are the candidate keys of R?
How can I read and write serialized objects to and from a database? Can a Vector or a Hashtable be serialized and deserialized?
Pick one of the different types of SQL statements (data definition language, data manipulation language, or data control language). Describe how that type of statement is use.
What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.
Should define, explain, and discuss one of the following: Database management system
Define a structural model. Why should a systems analyst create one? Give an example of class cohesion for a class named SUPPLIER for your example that supplies car parts. List some of its attributes and at least two OPERATIONS (methods) that would..
assume you were a newly hired it security manager at a software development company that in the past hasnt paid much
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