Which of the Following Best Practice Descriptions of Oralce Database

question 399

Multiple Choice

Which of the following best practice descriptions of Oralce database is correct? (Multiple choice.)

• A) OLAP business query output is usually a statistical value (using group by with order by), so you can set a larger SGA-target value (relative to OLTP).
• B) It is recommended to use UDEV UUID and drive letter binding, in Linux environment configuration Oracle database, to avoid subsequent maintenance letter changes caused by the database which can not start.
• C) If the database OLTP business log write is very frequent, it is recommended that the appropriate online log file up, but it is recommended not to exceed 128MB.
• D) In Windows2008 or windows2012 operating system environment, in order to improve I / O processing efficiency, MBR partition is created, and diskpart command is recommended to set the partition alignment.

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Definitions:

Working Capital

The gap between what a business owns in current assets and owes in current liabilities, showing the available liquidity to cover daily operational costs.

Salvage Value

The anticipated amount an asset is expected to sell for once it reaches the end of its life span.

Pretax Return

The income or profit earned by a business before the deduction of tax.

Net Present Value

A financial metric that calculates the difference between the present value of cash inflows and outflows over a period of time, used to assess the profitability of an investment.