AFAICS, the functionality you seek already exists, although it is not heavily
advertised.
`C-c C-x t' will insert an inline task. Within such a `task' you can put text,
tables, src blocks and other objects.
Setting option `inline:nil' will prevent export, but leave the content visible
to src b
Hi,
[This is the first patch I ever submitted. I hope it complies with
your standards: if it does not, I'll be happy to work on it until it's
fine. I am not sure it qualifies as a tiny change.]
Org-babel allows SQL snippets to be run on a database connection that
can be specified in the source