Explain the advantages to a bank in providing access to its accounts database only through stored procedures such as deposit() and withdraw().
What will be an ideal response?
1. Correctness: The procedures are provided by the bank, which can do extensive quality assurance on them. Since the procedures are maintained by the bank site, they are protected from being altered by intruders. Users can be prohibited from
submitting individual SQL statements, which might corrupt the database.
2. Efficiency: The SQL statements in the procedures can be prepared in advance and therefore can be executed more efficiently.
3. Authorization: The service provider can more easily authorize users to perform particular application-specific functions.
4. Throughput: By offering a more abstract service, the amount of information that must be communicated through the network is reduced. Only the input and output arguments of the procedure must be communicated.
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