delete from /univ_demo/org with version
/**
onerror(continue,`not exist`,`not find`,`not found`)
**/
;

delete from /univ_demo/person with version
/**
onerror(continue,`not exist`,`not find`,`not found`)
**/
;

drop class if exists /univ_demo/org
;

drop class if exists /univ_demo/person
;

drop class if exists /univ_demo
;