Posted: January 25th, 2017

How should data be stored on a disk to maximise efficiency? Is there a vacancy on flight 243?

How should data be stored on a disk to maximise efficiency? Is there a vacancy on flight 243? Could a relation be stored as a sequential file? How many times should a user be allowed to mistype a password before the conversation is terminated? How can the PROJECT operation (of the relational model) be implemented?   Identify the user (end­user, programmer of application software, database administrator, and designer of database management system software) who would be most concerned with the following scenarios: How data could be most efficiently stored on a disk. If there is a vacancy on Flight 243. How a relation could be stored as a sequential file. How many times a user should be allowed to mistype a password before a conversation is terminated. How the PROJECT operation (of the relational model) can be implemented. Explain why each identified user is most applicable to each scenario and how you came to your conclusions. Fully state and justify any choices, assumptions or claims that you make using the suggested Learning Resources for this Week and/or your own research.