>> There's also Perl DBI, which is reimplemented(?) in Gauche as "dbi"
>> module.
>
> <https://practical-scheme.net/wiliki/wiliki.cgi?Gauche%3ADBI%2FDBD>

Here's the English manual:
<http://practical-scheme.net/gauche/man/gauche-refe/Database-independent-access-layer.html#Database-independent-access-layer>

Writing DBI drivers:
<http://practical-scheme.net/gauche/man/gauche-refe/Database-independent-access-layer.html#Writing-drivers-for-DBI>

Does DBI have transactions? Those are mandatory for any job where we can
have more than one concurrent user.