2 查找表数据大小
select num_rows * avg_row_len
from user_tables
where table_name = 'table_name（换成表名）';
更多可以参考下http://www.jb51.net/article/7827.htm
2 查找表数据大小
select num_rows * avg_row_len
from user_tables
where table_name = 'table_name（换成表名）';
更多可以参考下http://www.jb51.net/article/7827.htm
