查看表空间sql

select Upper(F.TABLESPACE_NAME) as"表空间名",D.TOT_GROOTTE_MB/1024 as "表空间大小(G)",
D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",To_char(Round(( D.TOT_GROOTTE_MB - F.TOTAL_BYTES ) / D.TOT_GROOTTE_MB * 100, 2), '990.99')|| '%'                           "使用比",F.TOTAL_BYTES                    "空闲空间(M)",F.MAX_BYTES                      "最大块(M)"
from 
(SELECT TABLESPACE_NAME,Round(Sum(BYTES)/(1024 * 1024), 2) TOTAL_BYTES,Round(Max(BYTES)/(1024 * 1024), 2) MAX_BYTES
FROM SYS.DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F,
(SELECT DD.TABLESPACE_NAME,Round(Sum(DD.BYTES) / ( 1024 * 1024 ), 2) as TOT_GROOTTE_MB
FROM SYS.DBA_DATA_FILES DD
GROUP BY DD.TABLESPACE_NAME
) DWHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME 
ORDER BY 1

select * from (
Select a.tablespace_name,
to_char(a.bytes/1024/1024,'99,999.999') total_bytes,
to_char(b.bytes/1024/1024,'99,999.999') free_bytes,
to_char(a.bytes/1024/1024 - b.bytes/1024/1024,'99,999.999') use_bytes,
to_char((1 - b.bytes/a.bytes)*100,'99.99') || '%' use
from (select tablespace_name,
sum(bytes) bytes
from dba_data_files
group by tablespace_name) a,
(select tablespace_name,
sum(bytes) bytes
from dba_free_space
group by tablespace_name) b
where a.tablespace_name = b.tablespace_name
union all
select c.tablespace_name,
to_char(c.bytes/1024/1024,'99,999.999') total_bytes,
to_char( (c.bytes-d.bytes_used)/1024/1024,'99,999.999') free_bytes,
to_char(d.bytes_used/1024/1024,'99,999.999') use_bytes,
to_char(d.bytes_used*100/c.bytes,'99.99') || '%' use
from
(select tablespace_name,sum(bytes) bytes
from dba_temp_files group by tablespace_name) c,
(select tablespace_name,sum(bytes_cached) bytes_used
from v$temp_extent_pool group by tablespace_name) d
where c.tablespace_name = d.tablespace_name
）

查看表空间剩余大小

select sum(bytes/1024/1024) sizeMB from dba_free_space z where z.tablespace_name='SGCC990001_INDEX'

查看数据表行数

SELECT  num_rows, blocks, empty_blocks as empty,
avg_space, chain_cnt, avg_row_len, owner, table_name
FROM  dba_tables where num_rows is not null order by num_rows desc;