統計數據庫每天的數據增長量

SQL語言:?統計數據庫每天的數據增長量  set?linesize?1000?  set?pagesize?100?  select?t.*  ??from?(SELECT?D.TABLESPACE_NAME,  ???????????????SPACE?"SUM_SPACE(M)",  ???????????????BLOCKS?SUM_BLOCKS,  ???????????????SPACE?-?NVL(FREE_SPACE,?0)?"USED_SPACE(M)",  ???????????????ROUND((1?-?NVL(FREE_SPACE,?0)?/?SPACE)?*?100,?2)?"USED_RATE(%)",  ???????????????FREE_SPACE?"FREE_SPACE(M)"  ??????????FROM?(SELECT?TABLESPACE_NAME,  ???????????????????????ROUND(SUM(BYTES)?/?(1024?*?1024),?2)?SPACE,  ???????????????????????SUM(BLOCKS)?BLOCKS  ??????????????????FROM?DBA_DATA_FILES  ?????????????????GROUP?BY?TABLESPACE_NAME)?D,  ???????????????(SELECT?TABLESPACE_NAME,  ???????????????????????ROUND(SUM(BYTES)?/?(1024?*?1024),?2)?FREE_SPACE  ??????????????????FROM?DBA_FREE_SPACE  ?????????????????GROUP?BY?TABLESPACE_NAME)?F  ?????????WHERE?D.TABLESPACE_NAME?=?F.TABLESPACE_NAME(+)  ????????UNION?ALL  ????????SELECT?D.TABLESPACE_NAME,  ???????????????SPACE?"SUM_SPACE(M)",  ???????????????BLOCKS?SUM_BLOCKS,  ???????????????USED_SPACE?"USED_SPACE(M)",  ???????????????ROUND(NVL(USED_SPACE,?0)?/?SPACE?*?100,?2)?"USED_RATE(%)",  ???????????????SPACE?-?USED_SPACE?"FREE_SPACE(M)"  ??????????FROM?(SELECT?TABLESPACE_NAME,  ???????????????????????ROUND(SUM(BYTES)?/?(1024?*?1024),?2)?SPACE,  ???????????????????????SUM(BLOCKS)?BLOCKS  ??????????????????FROM?DBA_TEMP_FILES  ?????????????????GROUP?BY?TABLESPACE_NAME)?D,  ???????????????(SELECT?TABLESPACE,  ???????????????????????ROUND(SUM(BLOCKS?*?8192)?/?(1024?*?1024),?2)?USED_SPACE  ??????????????????FROM?V$SORT_USAGE  ?????????????????GROUP?BY?TABLESPACE)?F  ?????????WHERE?D.TABLESPACE_NAME?=?F.TABLESPACE(+))?t  order?by?"USED_RATE(%)"?desc;