dbsee_permspace.sql

/*********************************************************************/
/* Author      : VLDB                                                */
/* Date        : 07/02/2017                                          */
/* Version     : 1                                                   */
/* Description : Generate report on available space within           */
/*               each database                                       */
/*********************************************************************/
select  databasename  as database_name
       ,sum(maxperm)     as perm_size
       ,sum(currentperm) as perm_used
       ,cast(sum(maxperm-currentperm) as bigint) as perm_free
       ,cast(case when perm_size = 0 then 0
                  else (cast(perm_free as decimal(25,4))/cast(perm_size as decimal(25,4)))*100
             end as decimal(23,2)) as perm_free_perc
from    dbc.diskspaceV
group by 1
;