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程序员文章站 2024-02-14 21:54:40
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[oracle@ogg1 lib]$ cat filelist.txt 4 /opt/oracle/oradata/orcl11g/users01.dbf 3 /opt/oracle/oradata/orcl11g/undotbs01.dbf 2 /opt/oracle/oradata/orcl11g/sysaux01.dbf 1 /opt/oracle/oradata/orcl11g/system01.dbf 5 /opt/oracle/oradata/orcl11g/zb

[oracle@ogg1 lib]$ cat filelist.txt 4 /opt/oracle/oradata/orcl11g/users01.dbf
3 /opt/oracle/oradata/orcl11g/undotbs01.dbf
2 /opt/oracle/oradata/orcl11g/sysaux01.dbf
1 /opt/oracle/oradata/orcl11g/system01.dbf
5 /opt/oracle/oradata/orcl11g/zbdba.dbf
6 /opt/oracle/oradata/orcl11g/zbdba01.dbf
7 /opt/oracle/oradata/orcl11g/test.dbf
[oracle@ogg1 lib]$ cat par.txt
blocksize=8192
listfile=filelist.txt
mode=edit


SYS@orcl11g>select rowid,dbms_rowid.rowid_object(rowid) robject,
2 dbms_rowid.rowid_relative_fno(rowid) fno,
3 dbms_rowid.rowid_block_number(rowid) bno,
4 dbms_rowid.rowid_row_number(rowid) rno from scott.emp where rownum=1;

ROWID ROBJECT FNO BNO RNO
------------------ ---------- ---------- ---------- ----------
AAAR3xAAEAAAACXAAB 73201 4 151 1

SYS@orcl11g>SYS@orcl11g>select * from scott.emp
2 ;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- -------------------- ------------------ ---------- ------------ ---------- ---------- ----------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7566 JONES MANAGER 7839 02-APR-81 2975 20
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7788 SCOTT ANALYST 7566 19-APR-87 3000 20
7839 KING PRESIDENT 17-NOV-81 5000 10
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 23-MAY-87 1100 20
7900 JAMES CLERK 7698 03-DEC-81 950 30
7902 FORD ANALYST 7566 03-DEC-81 3000 20
7934 MILLER CLERK 7782 23-JAN-82 1300 10

[oracle@ogg1 lib]$ bbed parfile=par.txt
Password:

BBED: Release 2.0.0.0.0 - Limited Production on Wed Oct 22 07:46:19 2014

Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.

************* !!! For Oracle Internal Use only !!! ***************
BBED>
BBED> set file 4 block 151
FILE# 4
BLOCK# 151

BBED> map
File: /opt/oracle/oradata/orcl11g/users01.dbf (4)
Block: 151 Dba:0x01000097
------------------------------------------------------------
KTB Data Block (Table/Cluster)

struct kcbh, 20 bytes @0

struct ktbbh, 72 bytes @20

struct kdbh, 14 bytes @100

struct kdbt[1], 4 bytes @114

sb2 kdbr[14] @118

ub1 freespace[7475] @146

ub1 rowdata[567] @7621

ub4 tailchk @8188
BBED>
BBED>
BBED> p *kdbr[0]
rowdata[529]
------------
ub1 rowdata[529] @8150 0x3c

BBED> x /rn
rowdata[529] @8150
------------
flag@8150: 0x3c (KDRHFL, KDRHFF, KDRHFD, KDRHFH)
lock@8151: 0x02
cols@8152: 0
BBED> p *kdbr[1]
rowdata[486]
------------
ub1 rowdata[486] @8107 0x2c

BBED> x /rn
rowdata[486] @8107
------------
flag@8107: 0x2c (KDRHFL, KDRHFF, KDRHFH)
lock@8108: 0x00
cols@8109: 8

col 0[3] @8110: 7499
col 1[5] @8114: #########################################
col 2[8] @8120: #########################################
col 3[3] @8129: 7698
col 4[7] @8133: #########################################
col 5[2] @8141: 1600
col 6[2] @8144: 300
col 7[2] @8147: 30


BBED> p *kdbr[2]
rowdata[443]
------------
ub1 rowdata[443] @8064 0x2c

BBED> x /rn
rowdata[443] @8064
------------
flag@8064: 0x2c (KDRHFL, KDRHFF, KDRHFH)
lock@8065: 0x00
cols@8066: 8

col 0[3] @8067: 7521
col 1[4] @8071: #########################################
col 2[8] @8076: #########################################
col 3[3] @8085: 7698
col 4[7] @8089: #########################################
col 5[3] @8097: 1250
col 6[2] @8101: 500
col 7[2] @8104: 30