When Using a DBMS in a File Server Environment

question 46

Multiple Choice

When using a DBMS in a file server environment:

• A)data security checks and file and record locking are done at the file server
• B)data security checks and file and record locking are done on the mainframe
• C)data security checks and file and record locking are done at the client PCs
• D)data security checks are performed at the file server,and file and record locking are done at the client PCs

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Definitions:

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs, indicating the efficiency of resource utilization beyond just financial gain.

Marginal Costs

The cost of producing a subsequent unit of a product or service.

Long Run

The long run is a period in economics where all inputs or factors of production can be varied, allowing firms to adjust fully to market conditions.

Economic Profit

The split between total revenue generation and total cost accrual, encompassing both declared and understood costs.