Oracle
我的數據庫有多少塊
如何使用 Oracle SQL Developer 編寫查詢以查找我的數據庫正在使用多少塊?(表格和索引)
如果我正確閱讀了您的問題,這就是您要查找的內容:
SQL> select segment_type, sum(bytes)/1024/1024 as size_in_mb, sum(blocks) as size_in_blocks 2 from dba_extents 3 group by segment_type; SEGMENT_TYPE SIZE_IN_MB SIZE_IN_BLOCKS ------------------ ---------- -------------- LOBINDEX 43.4375 5560 INDEX PARTITION 61.75 7904 TABLE SUBPARTITION 2 256 TABLE PARTITION 70.6875 9048 NESTED TABLE 1.8125 232 ROLLBACK .4375 56 LOB PARTITION 21.1875 2712 LOBSEGMENT 331.5 42432 INDEX 338.8125 43368 TABLE 713.5 91328 CLUSTER 60.25 7712 TYPE2 UNDO 14.3125 1832 12 rows selected. SQL>