Identify the level within a database system (user, programmer of application software, and designer of the DBMS software) at which each of the following concerns or activities occur:
Identify the level within a database system (user, programmer of application software, and designer of the DBMS software) at which each of the following concerns or activities occur: a.
How should data be stored on a disk to maximize efficiency? b. Is there a vacancy on flight 243? c. Could a relation be stored as a sequential file? d. How many times should a user be allowed to mistype a password before the conversation is terminated? e. How can the PROJECT operation be implemented?
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