=== EJECUTAR el cleanup script (demo) ===
psql:03-cleanup-pre-prod.sql:38: NOTICE:  truncate cascades to table "transactions"
TRUNCATE TABLE
psql:03-cleanup-pre-prod.sql:39: NOTICE:  truncate cascades to table "cards"
psql:03-cleanup-pre-prod.sql:39: NOTICE:  truncate cascades to table "transactions"
TRUNCATE TABLE
psql:03-cleanup-pre-prod.sql:40: NOTICE:  truncate cascades to table "transactions"
TRUNCATE TABLE
INSERT 0 1
COMMIT

=== Counts post-cleanup ===
          tbl           | count 
------------------------+-------
 merchants              |     0
 customers              |     0
 cards                  |     0
 transactions           |     0
 seed_audit (preserved) |    12
(5 rows)

