I understand that users can have very different concerns whe

I understand that users can have very different concerns when they access a database, and one of the key skills necessary to both understanding and designing databases is to understand these roles. In this help request I would need help to identify what types of users are concerned with in specific scenarios noted in my bullet points below:

First Identify the user (end-user, 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

Solution

First all off, we shall see the roles of the users:

Now let\'s look at each of the scenarios mentioned in the question along with the reasons why these users best fit the given scenario.