select * from xdummy;

--bei Postgres in HIS1 laufen alle Scripte in Transaktionen, daher muss man 
--für vacuum erst committen

commit;

vacuum lm_exam_unit;
vacuum lm_exam_unit_studies;
vacuum lm_accreditation_neu;
vacuum lm_konto_pro_fs;
vacuum lm_unit;
vacuum lm_unitrelation;
vacuum lm_examrelation;
vacuum lm_examination;
vacuum lm_ects_soll_neu;
vacuum lm_ects_soll;
vacuum lm_pruefrout;