select
  USN,                                     -- USN NUMBER
  LATCH,                                   -- LATCH NUMBER
  EXTENTS,                                 -- EXTENTS NUMBER
  RSSIZE,                                  -- RSSIZE NUMBER
  WRITES,                                  -- WRITES NUMBER
  XACTS,                                   -- XACTS NUMBER
  GETS,                                    -- GETS NUMBER
  WAITS,                                   -- WAITS NUMBER
  OPTSIZE,                                 -- OPTSIZE NUMBER
  HWMSIZE,                                 -- HWMSIZE NUMBER
  SHRINKS,                                 -- SHRINKS NUMBER
  WRAPS,                                   -- WRAPS NUMBER
  EXTENDS,                                 -- EXTENDS NUMBER
  AVESHRINK,                               -- AVESHRINK NUMBER
  AVEACTIVE,                               -- AVEACTIVE NUMBER
  STATUS,                                  -- STATUS VARCHAR2(15)
  CUREXT,                                  -- CUREXT NUMBER
  CURBLK                                   -- CURBLK NUMBER
from
  GV$ROLLSTAT
where
  inst_id = USERENV('Instance')