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单项选择题You issue the following command in Oracle: CREATE TABLESPACE DAT_TBS DATAFILE "dat_tbs.dbf" SIZE 2M;. Later queries against the database reveal that the tablespace is located in the /u01/oradata/oracle directory. Which of the following choices identifies how Oracle likely determined what directory to place dat_tbs.dbf file in?（）

A、DB_CREATE_FILE_DEST 

B、DB_CREATE_ONLINE_LOG_1 

C、DB_CREATE_ONLINE_LOG_2

D、The directory is an operating system-specific default value in Oracle that can neigher be specified manually nor changed

  • A

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