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BBED使用

BBED是oracle内部使用的工具，9i,10g默认是自带的，只要编译一下就可以使用了。

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下面我就来编译一下BBED并且用它来修改下数据：

[oracle@Srv02 ~]$ cd $ORACLE_HOME/rdbms/lib[oracle@Srv02 lib]$ make -f ins_rdbms.mk $ORACLE_HOME/rdbms/lib/bbed[oracle@Srv02 lib]$ cp $ORACLE_HOME/rdbms/lib/bbed /u01/app/oracle/product/db_1/bin/

 

做如上操作后我们就可以直接在任何路径下面使用BBED了。

下面我使用BBED来修改数据：

1.首先创建个表并插入两条数据，并查看它的ROWID：

SQL> create table t1(id number,name varchar2(10));
Table created.

SQL> insert into t1 values(1,'xuwu');
1 row created.

SQL> insert into t1 values(2,'xmj');
1 row created.

SQL> insert into t1 values(3,'xnk');
1 row created.

SQL> commit;
Commit complete.

SQL> select * from t1;

        ID NAME---------- ----------
         1 xuwu
2 xmj
3 xnk

SQL> select rowid,dbms_rowid.rowid_relative_fno(rowid) rel_fno,dbms_rowid.rowid_block_number(rowid) blockno,
2  dbms_rowid.rowid_row_number(rowid) rowno from t1;

ROWID                 REL_FNO    BLOCKNO      ROWNO------------------ ---------- ---------- ----------
AAAW9mAABAAAOYiAAA          1      58914          0
AAAW9mAABAAAOYiAAB 1      58914          1
AAAW9mAABAAAOYiAAC 1      58914          2

SQL>

查出listfile

SQL> select file#||' '||name||' '||bytes from v$datafile;
FILE#||''||NAME||''||BYTES--------------------------------------------------------------------------------
1 /u01/app/oracle/oradata/qxptfh01/system01.dbf 503316480
2 /u01/app/oracle/oradata/qxptfh01/undotbs01.dbf 1289748480
3 /u01/app/oracle/oradata/qxptfh01/sysaux01.dbf 429916160
4 /u01/app/oracle/oradata/qxptfh01/users01.dbf 5242880
5 /u01/app/oracle/oradata/qxptfh01/QXDATA01.dbf 524288000
6 /u01/app/oracle/oradata/qxptfh01/QXDATA02.dbf 11639193600
7 /backup/xuwu_tbs.dbf 10737418240

7 rows selected.

把上面查出来的内容放到listfile.txt文件中：

[oracle@Srv02 ~]$ cat listfile.txt1 /u01/app/oracle/oradata/qxptfh01/system01.dbf 503316480
2 /u01/app/oracle/oradata/qxptfh01/undotbs01.dbf 1289748480
3 /u01/app/oracle/oradata/qxptfh01/sysaux01.dbf 429916160
4 /u01/app/oracle/oradata/qxptfh01/users01.dbf 5242880
5 /u01/app/oracle/oradata/qxptfh01/QXDATA01.dbf 524288000
6 /u01/app/oracle/oradata/qxptfh01/QXDATA02.dbf 11639193600
7 /backup/xuwu_tbs.dbf 10737418240
[oracle@Srv02 ~]$ pwd/home/oracle[oracle@Srv02 ~]$

现在就可以登录BBED了：

[oracle@Srv02 ~]$ bbed password=blockedit blocksize=8192 listfile=/home/oracle/listfile.txt mode=edit

BBED: Release2.0.0.0.0 - Limited Production on Thu Nov 27 15:05:11 2014

Copyright (c)1982, 2007, Oracle.  All rights reserved.
************* !!! For Oracle Internal Use only !!! ***************

BBED> 
BBED> 
BBED>

下面开始修改数据：

BBED> set dba 1,58914
        DBA    0x0040e622 (4253218 1,58914)

BBED> find /c xuwu
File: /u01/app/oracle/oradata/qxptfh01/system01.dbf (1)
 Block:58914            Offsets: 8184 to 8191           Dba:0x0040e622
------------------------------------------------------------------------
 78757775 070670b4 

<32 bytes per line>

BBED> dump /v dba 1,58914 offset 8184 count 4
 File: /u01/app/oracle/oradata/qxptfh01/system01.dbf (1)
 Block:58914   Offsets: 8184 to 8187  Dba:0x0040e622
-------------------------------------------------------
 78757775                            l xuwu

<16 bytes per line>

BBED> modify /c 'hehe' dba 1,58914 offset 8184
 File: /u01/app/oracle/oradata/qxptfh01/system01.dbf (1)
 Block:58914            Offsets: 8184 to 8187           Dba:0x0040e622
------------------------------------------------------------------------
 68656865 

 <32 bytes per line>

BBED> dump /v dba 1,58914 offset 8184 count 4
 File: /u01/app/oracle/oradata/qxptfh01/system01.dbf (1)
 Block:58914   Offsets: 8184 to 8187  Dba:0x0040e622
-------------------------------------------------------
 68656865                            l hehe

<16 bytes per line>

BBED> sum applyCheck value for File 1, Block 58914:current = 0x153c, required = 0x153c

BBED> verify
DBVERIFY- Verification startingFILE = /u01/app/oracle/oradata/qxptfh01/system01.dbf
BLOCK= 58914


DBVERIFY- Verification complete

Total Blocks Examined         :1
Total Blocks Processed (Data) :1
Total Blocks Failing   (Data) :0
Total Blocks Processed (Index): 0
Total Blocks Failing   (Index): 0
Total Blocks Empty            :0
Total Blocks Marked Corrupt   :0
Total Blocks Influx           :0

BBED> exit

[oracle@Srv02 ~]$ sqlplus / as sysdba[uniread] Loaded history (799 lines)

SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 27 15:09:25 2014

Copyright (c)1982, 2010, Oracle.  All Rights Reserved.


Connectedto:
OracleDatabase 10g Enterprise Edition Release 10.2.0.5.0 - 64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select * from t1;

        ID NAME---------- ----------
         1 xuwu
2 xmj
3 xnk

SQL> alter system flush buffer_cache;

System altered.

SQL> select * from t1;

        ID NAME---------- ----------
         1 hehe
2 xmj
3 xnk

SQL>

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