ORACLE中索引查詢 表空間及程序查詢

1 索引查詢與重建

select

status
from user_indexes where index_name =
'index_name'
;alter
index index_name rebuild;

select

sum(bytes)/(
1024
*1024
*1024
)as size_gb from user_segments where segment_name =
'table_name'
;

select a.tablespace_name "表空間名"

,       total /
(1024
*1024
*1024
)"表空間大小(g)"
,round
(free /
(1024
*1024
*1024),
2)"表空間剩餘大小(g)"
,round
((total - free)/(
1024
*1024
*1024),
2)"表空間使用大小(g)"
,round
((total - free)
/ total,4)
*100
"使用率 %"
from
(select tablespace_name,
sum(bytes) free
from dba_free_space
group
by tablespace_name) a,
(select tablespace_name,
sum(bytes) total
from dba_data_files
group
by tablespace_name) b
where a.tablespace_name = b.tablespace_name;

select d.tablespace_name,space "sum_space(gb)"

,blocks sum_blocks,
used_space "used_space(gb)"
,round
(nvl(used_space,0)
/space*
100,2)
"used_rate(%)"
,nvl(free_space,0)
"free_space(m)"
from
(select tablespace_name,
round
(sum
(bytes)/(
1024
*1024
*1024),
2) space,
sum(blocks) blocks
from dba_temp_files
group
by tablespace_name) d,
(select tablespace_name,
round
(sum
(bytes_used)/(
1024
*1024
*1024),
2) used_space,
round
(sum
(bytes_free)/(
1024
*1024
*1024),
2) free_space
from v$temp_space_header
group
by tablespace_name) f
where d.tablespace_name = f.tablespace_name(+)
;

--------------檢視程序----------

select t.sid,
t.serial
#,       t.username,
t.osuser,
t.machine,
t.program,
t.sql_exec_start,
t.module,
t.action
from v$session t
where t.username =
'使用者名稱'
;-- 查詢正在執行的sid
select
*from v$access a where object like
'包名.儲存過程名稱'
-- 根據sid查詢serial
select
*from v$session
where sid =
''--- 查死鎖--
select session_id from v$locked_object
--- 刪除程序----------
alter system kill
session
'sid,serial'

select segment_name, bytes/

1024
/1024
/1024
from dba_segments where owner = user_name

-- 查詢表空間

select * from dba_tablespace;
-- 查詢表空間檔案
select * from dba_data_files where tablespace = spacename;  -- spacename 自己指定

alter tablespace spacename add datafile

'檔案位置\檔名稱.dbf' size 50m
autoextend on next 5m maxsize 100m;
-- 備註：檔案位置可根據select * from dba_data_files where tablespace = spacename;  檢視

create tablespace spacename logging 

datafile '檔案位置\檔名稱.dbf' size 20480m
autoextend on 500m maxsize 30720m;

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