pg_amcheck checks objects in a PostgreSQL database for corruption.

Usage:
  pg_amcheck [OPTION]... [DBNAME]

Target options:
  -a, --all                       check all databases
  -d, --database=PATTERN          check matching database(s)
  -D, --exclude-database=PATTERN  do NOT check matching database(s)
  -i, --index=PATTERN             check matching index(es)
  -I, --exclude-index=PATTERN     do NOT check matching index(es)
  -r, --relation=PATTERN          check matching relation(s)
  -R, --exclude-relation=PATTERN  do NOT check matching relation(s)
  -s, --schema=PATTERN            check matching schema(s)
  -S, --exclude-schema=PATTERN    do NOT check matching schema(s)
  -t, --table=PATTERN             check matching table(s)
  -T, --exclude-table=PATTERN     do NOT check matching table(s)
      --no-dependent-indexes      do NOT expand list of relations to include indexes
      --no-dependent-toast        do NOT expand list of relations to include TOAST tables
      --no-strict-names           do NOT require patterns to match objects

Table checking options:
      --exclude-toast-pointers    do NOT follow relation TOAST pointers
      --on-error-stop             stop checking at end of first corrupt page
      --skip=OPTION               do NOT check "all-frozen" or "all-visible" blocks
      --startblock=BLOCK          begin checking table(s) at the given block number
      --endblock=BLOCK            check table(s) only up to the given block number

B-tree index checking options:
      --heapallindexed            check that all heap tuples are found within indexes
      --parent-check              check index parent/child relationships
      --rootdescend               search from root page to refind tuples

Connection options:
  -h, --host=HOSTNAME             database server host or socket directory
  -p, --port=PORT                 database server port
  -U, --username=USERNAME         user name to connect as
  -w, --no-password               never prompt for password
  -W, --password                  force password prompt
      --maintenance-db=DBNAME     alternate maintenance database

Other options:
  -e, --echo                      show the commands being sent to the server
  -j, --jobs=NUM                  use this many concurrent connections to the server
  -P, --progress                  show progress information
  -v, --verbose                   write a lot of output
  -V, --version                   output version information, then exit
      --install-missing           install missing extensions
  -?, --help                      show this help, then exit

Report bugs to <pgsql-bugs@lists.postgresql.org>.
PostgreSQL home page: <https://www.postgresql.org/>