DELETE Statement won't work correct

[SoftIl]

Hi,
> > SELECT record_id FROM basisiliste WHERE betriebs_id =
> > '15427782-c133-11d8-a802-0010b53f93f'
> This select many records ?
That's right.

> You can try WHERE ... IN (SELECT)
Great, this works. Many thanks. :-)

Best regards,
Carsten