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- 单项选择题 ou have a large amount of historical data in a flat file. Some analysts in your organization need to query thisdata in the file. The file is too large to load the data in it into your current database. Which is the most effectivemethod to access this data in your database（）
A、Use the database link.
B、Use the SQL*Loader utility.
C、Use the Oracle Data Pump utility.
D、Create an external table and leave the data in the flat file
- D
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