Scripts:报告物理数据库增长情况(注意脚本是看你数据库添加数据文件的时间哦)dba_db_growth.sql

-- +----------------------------------------------------------------------------+

-- |                          Jeffrey M. Hunter                                 |

-- |                      jhunter@idevelopment.info                             |

-- |                         www.idevelopment.info                              |

-- |----------------------------------------------------------------------------|

-- |      Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved.       |

-- |----------------------------------------------------------------------------|

-- | DATABASE : Oracle                                                          |

-- | FILE     : dba_db_growth.sql                                               |

-- | CLASS    : Database Administration                                         |

-- | PURPOSE  : Provides a report on physical database growth with respect to   |

-- |            the date that data files have been added.                       |

-- | NOTE     : As with any code, ensure to test this script in a development   |

-- |            environment before attempting to run it in production.          |

-- +----------------------------------------------------------------------------+

SET TERMOUT OFF;

COLUMN current_instance NEW_VALUE current_instance NOPRINT;

SELECT rpad(instance_name, 17) current_instance FROM v$instance;

SET TERMOUT ON;

PROMPT 

PROMPT +------------------------------------------------------------------------+

PROMPT | Report   : Database Growth                                             |

PROMPT | Instance : ¤t_instance                                           |

PROMPT | Note     : This script only tracks when a new data file was added to   |

PROMPT |            the database. Any data file that was manually increased or  |

PROMPT |            decreased in size or automatically increased using the      |

PROMPT |            AUTOEXTEND option is not tracked by this script.            |

PROMPT +------------------------------------------------------------------------+

SET ECHO        OFF

SET FEEDBACK    6

SET HEADING     ON

SET LINESIZE    180

SET PAGESIZE    50000

SET TERMOUT     ON

SET TIMING      OFF

SET TRIMOUT     ON

SET TRIMSPOOL   ON

SET VERIFY      OFF

CLEAR COLUMNS

CLEAR BREAKS

CLEAR COMPUTES

COLUMN month        FORMAT a7                   HEADING 'Month'

COLUMN growth       FORMAT 999,999,999,999,999  HEADING 'Growth (Bytes)'

BREAK ON report

COMPUTE sum OF growth ON report

SELECT

    TO_CHAR(creation_time, 'RRRR-MM') month

  , SUM(bytes)                        growth

FROM     sys.v_$datafile

GROUP BY TO_CHAR(creation_time, 'RRRR-MM')

ORDER BY TO_CHAR(creation_time, 'RRRR-MM');