一、oracle commonly table
1、dba_extents #describes the extents comprising the segments in all tablespaces in the database.
commonly column
owner
segment_name
partition_name
tablespace_name
blocks
bytes
网站建设公司,为您提供网站建设,网站制作,网页设计及定制网站建设服务,专注于成都企业网站建设,高端网页制作,对成都格栅板等多个行业拥有丰富的网站建设经验的网站建设公司。专业网站设计,网站优化推广哪家好,专业seo优化排名优化,H5建站,响应式网站。
2、dba_segments#describes the storage allocated for all segments in the database.
owner
segment_name
partition_name
segment_type *
segment_subtype # subtype of lob segment :sourcefile assm mssm and null
tablespace_name
bytes
NOTE：The next Blog describe the principles of Oracle 12C RAC .
