Log in to the Oracle SQL level and follow the below steps to change the Oracle global database name.
1. Firstly, determine the current configured Oracle global database name using the following command,
SELECT * from GLOBAL_NAME;
2. To change the name, use the alter command,
alter DATABASE rename GLOBAL_NAME TO DAEM.ITSITI.COM;
3. Verify the result by executing the command from the step 1.
