buffer cache中，各个object对象占用的buffer blocks

buffer cache中，各个object对象占用的buffer blocks：

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COLUMN OBJECT_NAME FORMAT A40 COLUMN NUMBER_OF_BLOCKS FORMAT 999,999,999,999   SELECT o.OBJECT_NAME, COUNT(*) NUMBER_OF_BLOCKS      FROM DBA_OBJECTS o, V$BH bh     WHERE o.DATA_OBJECT_ID = bh.OBJD       AND o.OWNER         != 'SYS'     GROUP BY o.OBJECT_NAME     ORDER BY COUNT(*);   OBJECT_NAME                              NUMBER_OF_BLOCKS ---------------------------------------- ---------------- OA_PREF_UNIQ_KEY                                        1 SYS_C002651                                             1 .. DS_PERSON                                              78 OM_EXT_HEADER                                         701 OM_SHELL                                            1,765 OM_HEADER                                           5,826 OM_INSTANCE                                        12,644