Generally the word DBA has a pretty broad meaning - and one of them is that you were a click admin that got hoisted into being responsible for your database servers, and things like software engineering tools (git, shell scripting in general) are a few years off.
The number of databases I have seen out of source control is too many to count, the number of times I had people who understood SQL very well but couldn't use git worth a damn.
Some of them have been modifying the top of the file of a stored procedure for decades
2024-01-01 hobs - changed even more shit
2023-07-24 hobs - minor tweaks
2001-02-04 hobs - created
I am reasonably confident that Oracle keeps its code under source control, but the PL/SQL packages it supplied start with a lot of this. The package WWV_FLOW, central to the APEX/ORDS product has more than 500 lines like
-- MODIFIED (MM/DD/YYYY)
-- mhichwa 08/04/1999 - Created
-- mhichwa 09/30/1999 - Removed g_show_reset global
-- mhichwa 10/09/1999 - Added g_last_query_text global for error reporting
-- mhichwa 10/09/1999 - Removed g_success_procedure, g_success_url
-- mhichwa 10/09/1999 - Removed g_step_sub_title_font_color --
-- mhichwa 10/14/1999 - Added 10 extra inputs v26 ... v35
The number of databases I have seen out of source control is too many to count, the number of times I had people who understood SQL very well but couldn't use git worth a damn. Some of them have been modifying the top of the file of a stored procedure for decades