pcbldi

1. Count elements in response - 

curl URL | jq '. | length'

pcbldi

# tables for owned by 'tableowner'
select 'drop table if exists "' || tablename || '" cascade;' from pg_tables where tableowner='tableowner';
# all sequences
select 'drop sequence if exists "' || relname || '" cascade;' from pg_class where relkind = 'S';