blog lists the process of listing all ROWID's in a data
block assuming that you are interested in rows rows in
block 172 within file 11:
select
file_id,
block_id
from
dba_extents --
currently the table is a single extent
where
segment_name =
'NEW_TABLE_BLOCK_ROWID'
and
owner = 'HEMANT'
/
FILE_ID
BLOCK_ID
---------- ----------
11
168
select
object_id,
data_object_id
from
user_objects
where
object_name = 'NEW_TABLE_BLOCK_ROWID'
/
OBJECT_ID
DATA_OBJECT_ID
---------- --------------
114154
114154
select
ret_rowid
from
(
select dbms_rowid.rowid_create
(1,114154,11,target_block,target_row)
ret_rowid
from
(select
172 target_block from dual) a,
(select rownum-1
target_row from dual connect by level < 8)
)
/
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