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  • Script to find used Buffer Cache Block per Object

    The script will list top 10 objects that used Buffer Cache Block per Object

    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(*);
    The output should be something like this
    OBJECT_NAME                              NUMBER_OF_BLOCKS
    -------------------------------------- ----------------
    MOVNS                                     18906
    ENVIA_EMLS                                7430
    QURE_PK                                   6193
    VWDEDOR_ALL                               3528
    MOV__TX_MEN_FK4                           3472
    CANDITOS                                  3369
    QUESTSPAS                                 3161
    ...
    ...


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