oracle如何查询哪个表数据量大

存储空间可以用如下语句查:
select * from user_segments s where s.BYTES is not null order by s.BYTES desc
查记录条数可以用如下语句:
select *  from user_tables t where t.NUM_ROWS is not null order by t.NUM_ROWS desc 。
原文地址:https://www.cnblogs.com/diyunpeng/p/8074500.html