select 'create sequence '||SEQUENCE_OWNER||'.'||sequence_name||
' minvalue '||min_value||
' maxvalue '||max_value||
' start with '||(last_number+50)||
' increment by '||increment_by||
(case when cache_size=0 then ' nocache' else ' cache '||cache_size end) ||';'
from dba_sequences where sequence_owner in (select username from dsg.qy_user);