arg db user password

  /* Connect the target database. Exit if connect fails. */
  r = REXXSQL("CONNECT" user "IDENTIFIED BY" password "TO" db)
  if sqlcode < 0 then exit 8

  /* Prepare and execute a SELECT on SYSCATALOG. */
  s = "SELECT CREATOR,TNAME,ROWCOUNT FROM SYSTEM.SYSCATALOG" ,
      "WHERE ROWCOUNT >= 10000 ORDER BY ROWCOUNT DESC"
  r = REXXSQL(s)

  /* Check for SQL errors. */
  if SQLCODE <> 0 then signal SQL_error

  /* Show the result stems CREATOR, TNAME and ROWCOUNT */
  do i = 1 to _NROWS
    tablename = strip(creator.i)"."strip(tname.i)
    say "Table" tablename "has" rowcount.i "rows"
  end

  /* Terminate */
  r=REXXSQL("COMMIT")
  exit

  /* Show SQLCODE, SQLERRM and related help text */
  SQL_error:
  call REXXSQLH sqlcode sqlerrm
  exit 8