delete from /mingdao1/case with version /** onerror(continue,`not exist`,`not find`,`not found`) **/ ; delete from /mingdao1/contract with version /** onerror(continue,`not exist`,`not find`,`not found`) **/ ; delete from /mingdao1/project with version /** onerror(continue,`not exist`,`not find`,`not found`) **/ ; delete from /mingdao1/staff with version /** onerror(continue,`not exist`,`not find`,`not found`) **/ ;