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单项选择题 You administer a SQL Server 2008 instance. You plan to deploy a new database to the instance. The database will be subject to frequent inserts and updates. The database will have multiple schemas. One of the schemas will contain a large amount of read-only reference data. You need to design the physical database structure for optimal backup performance. What should you do?（）: A、Create the database by using a single data file and a single log file.; B、Create the database by using a single data file and multiple log files.; C、Create the database by using a single log file and multiple filegroups.; D、Create the database by using a single log file and a filegroup that has multiple data files.

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