SQL>
SQL> set echo on
SQL> set serveroutput on
SQL>
SQL> create table t
2 ( a int,
3 b varchar2(4000) default rpad('*',4000,'*'),
4 c varchar2(3000) default rpad('*',3000,'*' )
5 )
6 /
Table created.
SQL>
SQL> insert into t(a) select rownum from all_users;
15 rows created.
SQL> insert into t(a) select rownum+1000 from all_users;
15 rows created.
SQL>
SQL> select dbms_rowid.rowid_block_number(rowid), a from t;
DBMS_ROWID.ROWID_BLOCK_NUMBER(ROWID) A
------------------------------------ ----------
43410 1
43411 2
43412 3
43413 4
43414 5
43415 6
43416 7
43417 8
43418 9
43419 10
43420 11
DBMS_ROWID.ROWID_BLOCK_NUMBER(ROWID) A
------------------------------------ ----------
43421 12
43422 13
43423 14
43424 15
43425 1001
43426 1002
43427 1003
43428 1004
43429 1005
43430 1006
43431 1007
DBMS_ROWID.ROWID_BLOCK_NUMBER(ROWID) A
------------------------------------ ----------
43432 1008
43433 1009
43434 1010
43435 1011
43436 1012
43437 1013
43438 1014
43439 1015
30 rows selected.
SQL>
SQL> drop table t;
Table dropped.
SQL>