計算一個表佔用的空間的大小

select owner,table_name,
NUM_ROWS,
BLOCKS*AAA/1024/1024 "Size M",
EMPTY_BLOCKS,
LAST_ANALYZED
from dba_tables
where table_name='XXX';

Here: AAA is the value of db_block_size ;
XXX is the table name you want to check

[@more@]select owner,table_name,
NUM_ROWS,
BLOCKS*AAA/1024/1024 "Size M",
EMPTY_BLOCKS,
LAST_ANALYZED
from dba_tables
where table_name='XXX';

Here: AAA is the value of db_block_size ;
XXX is the table name you want to check