Oracle查看各表占用空间:
select segment_name as table_name
,bytes/1024/1024/1024 as G
from user_segments
where segment_type = 'TABLE' ORDER BY bytes desc
通过SQL查询user_segments视图,可以获取Oracle数据库中每个表的占用空间信息。查询语句选择了segment_name作为表名,将bytes字段转换为GB单位展示,并按占用空间大小降序排列。
Oracle查看各表占用空间:
select segment_name as table_name
,bytes/1024/1024/1024 as G
from user_segments
where segment_type = 'TABLE' ORDER BY bytes desc
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