Query v$rowcache : rowcache « System Tables Data Dictionary « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. System Tables Data Dictionary
3. rowcache

SQL>
SQL>
SQL> SELECT SUM(gets), SUM(getmisses),
  2         (1 - (SUM(getmisses) / (SUM(gets) +
  3         SUM(getmisses)))) * 100 hitrat
  4  FROM   v$rowcache
  5  where   rownum < 50;

 SUM(GETS) SUM(GETMISSES)     HITRAT
---------- -------------- ----------
     25970           3191 89.0573026

SQL>