多项选择题

In which two scenarios do you use SQL* Loader to load data?（）

A. Transform the data while it is being loaded into the database.
B. Use transparent parallel processing without having to split the external data first.
C. Load data into multiple tables during the same load statement.
D. Generate unique sequential key values in specified columns.

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Examine the following command;
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C. All DDL commands are logged in a different log file that contains DDL statements and their execution dates.
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Which statement is true about Enterprise Manager (EM) express in Oracle Database 12c?（）

A. By default, EM express is available for a database after database creation.
B. You can use EM express to manage multiple databases running on the same server.
C. You can perform basic administrative tasks for pluggable databases by using the EM express interface.
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多项选择题

Which three statements are true about Flashback Database?（）

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C. The Oracle database automatically creates, deletes, and resides flashback logs in the Fast Recovery Area.
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