Oracle script to check the database growth

Oracle script to check the database growth :

SET LINESIZE 200

SET PAGESIZE 200

COL "Database Size" FORMAT a13

COL "Used Space" FORMAT a11

COL "Used in %" FORMAT a11

COL "Free in %" FORMAT a11

COL "Database Name" FORMAT a13

COL "Free Space" FORMAT a12

COL "Growth DAY" FORMAT a11

COL "Growth WEEK" FORMAT a12

COL "Growth DAY in %" FORMAT a16

COL "Growth WEEK in %" FORMAT a16

SELECT

(select min(creation_time) from v$datafile) "Create Time",

(select name from v$database) "Database Name",

ROUND((SUM(USED.BYTES) / 1024 / 1024 ),2) || ' MB' "Database Size",

ROUND((SUM(USED.BYTES) / 1024 / 1024 ) - ROUND(FREE.P / 1024 / 1024 ),2) || ' MB' "Used Space",

ROUND(((SUM(USED.BYTES) / 1024 / 1024 ) - (FREE.P / 1024 / 1024 )) / ROUND(SUM(USED.BYTES) / 1024 / 1024 ,2)*100,2) || '% MB' "Used in %",

ROUND((FREE.P / 1024 / 1024 ),2) || ' MB' "Free Space",

ROUND(((SUM(USED.BYTES) / 1024 / 1024 ) - ((SUM(USED.BYTES) / 1024 / 1024 ) - ROUND(FREE.P / 1024 / 1024 )))/ROUND(SUM(USED.BYTES) / 1024 / 1024,2 )*100,2) || '% MB' "Free in %",

ROUND(((SUM(USED.BYTES) / 1024 / 1024 ) - (FREE.P / 1024 / 1024 ))/(select sysdate-min(creation_time) from v$datafile),2) || ' MB' "Growth DAY",

ROUND(((SUM(USED.BYTES) / 1024 / 1024 ) - (FREE.P / 1024 / 1024 ))/(select sysdate-min(creation_time) from v$datafile)/ROUND((SUM(USED.BYTES) / 1024 / 1024 ),2)*100,3) || '% MB' "Growth DAY in %",

ROUND(((SUM(USED.BYTES) / 1024 / 1024 ) - (FREE.P / 1024 / 1024 ))/(select sysdate-min(creation_time) from v$datafile)*7,2) || ' MB' "Growth WEEK",

ROUND((((SUM(USED.BYTES) / 1024 / 1024 ) - (FREE.P / 1024 / 1024 ))/(select sysdate-min(creation_time) from v$datafile)/ROUND((SUM(USED.BYTES) / 1024 / 1024 ),2)*100)*7,3) || '% MB' "Growth WEEK in %"

FROM    (SELECT BYTES FROM V$DATAFILE

UNION ALL

SELECT BYTES FROM V$TEMPFILE

UNION ALL

SELECT BYTES FROM V$LOG) USED,

(SELECT SUM(BYTES) AS P FROM DBA_FREE_SPACE) FREE

GROUP BY FREE.P;