表空间查询
- --1G=1024MB
- --1M=1024KB
- --1K=1024Bytes Oracle：
- SELECT a.tablespace_name "表空间名",
- total "表空间大小",
- free "表空间剩余大小",
- (total - free) "表空间使用大小",
- total / (1024 * 1024 * 1024) "表空间大小(G)",
- free / (1024 * 1024 * 1024) "表空间剩余大小(G)",
- (total - free) / (1024 * 1024 * 1024) "表空间使用大小(G)",
- round((total - free) / total, 4) * 100 "使用率 %"
- FROM (SELECT tablespace_name, SUM(bytes) free
- FROM dba_free_space
- GROUP BY tablespace_name) a,
- (SELECT tablespace_name, SUM(bytes) total
- FROM dba_data_files
- GROUP BY tablespace_name) b
-
WHERE a.tablespace_name = b.tablespace_nam;
Gbase统计表空间：
select * from information_schema.cluster_tables where table_schema='bdpmart' and table_name='DM_WX_ORDER_DETAIL_PAGE_VISIT_DEPTH_01';
select 118187788011/1024/1024/1024; ：B>KB>MB>GB