You created an Oracle Database 10g instance on a Linux machine using the create database command. You observed that when the machine reboots, the database instance does not start up automatically. Given below is the list of changes:
1) changed the directory permissions for the /etc/init.d directory to 755
2) edited the /etc/oratab file to include the entry for the database ORACLE_SID, ORACLE_HOME, and Y in the third column 3) issued the chkconfig –add command to execute the dbora script in runlevels 2 through 5
4) created a script called dbora that invokes the dbstart script in the /etc/init.d directory
5) executed dbstart scripts located in the $ORACLE_HOME/bin directory to automate the startup
Which changes would be required to ensure that the database instance starts up automatically whenever the machine reboots?
A.
only 4 and 5
B.
all the changes
C.
1, 2, 3, and 4; 5 not required
D.
2, 3, 4, and 5; 1 not required
E.
2, 3, and 4; 1 and 5 not required