Oracle查询行对应block_id,file

Oracle查询行对应block_id,file_id

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发布时间：2019-03-06

本文共 856 字，大约阅读时间需要 2 分钟。

select id,rowid,

dbms_rowid.rowid_object(rowid) object#,

dbms_rowid.rowid_relative_fno(rowid) file#,

dbms_rowid.rowid_block_number(rowid) block#,

dbms_rowid.rowid_row_number(rowid) row# from scott.t where id in(1,300000);

ID ROWID OBJECT# FILE# BLOCK# ROW#

---------- ------------------ ---------- ---------- ---------- ----------

1 AAAWb0AAEAACvPCAAp 91892 4 717762 41

300000 AAAWb0AAEAACvN8AAw 91892 4 717692 48

select

t.segment_name,

t.partition_name,

t.BLOCK_ID,(t.BLOCKS + t.BLOCK_ID -1) "MAX_BLOCK_ID"

from sys.dba_extents t,dba_tab_partitions p

where t.PARTITION_NAME=p.partition_name and p.TABLE_OWNER='SCOTT' and p.table_name='T';

SEGMENT_NA PARTITION_NAME BLOCK_ID MAX_BLOCK_ID

---------- ------------------------------ ---------- ------------

T SYS_P109 714368 715391

T SYS_P110 715392 716415

T SYS_P111 716416 717439

T SYS_P112 717440 718463

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