单选题Which is the correct description of the significance of the ORACLE_HOME environmental variable？（）A It specifies the directory containing the Oracle software.B It specifies the directory containing the Oracle-Managed Files.C It specifies the directory f
题目
单选题
Which is the correct description of the significance of the ORACLE_HOME environmental variable？（）
A
It specifies the directory containing the Oracle software.
B
It specifies the directory containing the Oracle-Managed Files.
C
It specifies the directory for database files， if not specified explicitly.
D
It specifies the base directory of Optimal Flexible Architecture （OFA） .