Which of the following statements is true regarding the initialization parameter DIAGNOSTIC_DEST?() The default value is the value of the environment variable $ORACLE_HOME; if $ORACLE_HOME isn’t set
- A then the default is set to $ORACLE_BASE The default value is the value of the environment variable $ORACLE_BASE; if $ORACLE_BASE isn’t set,
- B then it is set to $ORACLE_HOME
- C DIAGNOSTIC_DEST is always equal to $ORACLE_HOME
- D DIAGNOSTIC_DEST is always equal to $ORACLE_BASE