Question

How do I become a database administrator?

Answer 1

For ORACLE database admin you

must at least become an OCA (associate DBA)

follow the examples of the site

Oracle DBA and development articles, scripts, HOWTOs and forums (8i, 9i, 10g, 11g, 12c, 13c, 18c, 19c, 21c)

Oracle DBA and development articles, scripts, HOWTOs and forums (8i, 9i, 10g, 11g, 12c, 13c, 18c, 19c, 21c).

https://oracle-base.com/

of last versions.

A lot of work but also money.