指令碼實現檢視錶空間使用情況

#!/bin/bash
source ~/.bash_profile
. /home/ora10/system_tablespace
sqlplus -S oracle/hao12345@hxy < col BYTES_USED for 9999999999999
set feed off
set linesize 100
set pagesize 200
spool  /home/ora10/tablespace.alert
 select a.tablespace_name,a.bytes bytes_used,b.largest,round(((a.bytes-b.bytes)/a.bytes)*100,2) percent_used   from (select tablespace_name,sum(bytes) bytes from dba_data_files group by tablespace_name) a, (select tablespace_name,sum(bytes) bytes ,max(bytes) largest from dba_free_space group by tablespace_name) b where a.tablespace_name=b.tablespace_name order by ((a.bytes-b.bytes) / a.bytes) DESC;
spool off
exit;
EOF