It was easy, but does it matter?
ApproachI used only built-in INITCAP().Code
# Approach
<!-- Describe your approach to solving the problem. -->
I used only built-in ```INITCAP()```. 

# Code
```oraclesql []
/* Write your PL/SQL query statement below */
select content_id, 
        content_text original_text, 
        initcap(content_text) converted_text
from user_content
```
['Database', 'Oracle']