Oracle BBED(oracle block browser and editor tool)安装与使用BBED工具可以用来更改数据block，但不被官方所支持。安装过程如下

安装过程如下：

$ cd $ORACLE_HOME/rdbms/lib

$ ls -al *bb*.o

-rw-r--r-- 1 oracle oinstall 1671 May 10 2008 sbbdpt.o

-rw-r--r-- 1 oracle oinstall 900 May 10 2008 ssbbded.o

$ make -f ins_rdbms.mk $ORACLE_HOME/rdbms/lib/bbed

Linking BBED utility (bbed)

rm -f /u01/app/oracle/product/10.2.0/db_1/rdbms/lib/bbed

ld -b -o /u01/app/oracle/product/10.2.0/db_1/rdbms/lib/bbed -L/u01/app/oracle/product/10.2.0/db_1/rdbms/lib/ -L/u01/app/oracle/product/10.2.0/db_1/lib/ -bnoerrmsg /u01/app/oracle/product/10.2.0/db_1/lib/s0main.o /u01/app/oracle/product/10.2.0/db_1/rdbms/lib/ssbbded.o /u01/app/oracle/product/10.2.0/db_1/rdbms/lib/sbbdpt.o -bI:/usr/lib/aio.exp `cat /u01/app/oracle/product/10.2.0/db_1/lib/ldflags` -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10 -ln10 -lnnz10 -lnl10 /u01/app/oracle/product/10.2.0/db_1/rdbms/lib/defopt.o -ldbtools10 `cat /u01/app/oracle/product/10.2.0/db_1/lib/ldflags` -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10 -ln10 -lnnz10 -lnl10 -lnro10 `cat /u01/app/oracle/product/10.2.0/db_1/lib/ldflags` -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10 -ln10 -lnnz10 -lnl10 -lclient10 -lnnetd10 -lvsn10 -lcommon10 -lgeneric10 -lmm -lsnls10 -lnls10 -lcore10 -lsnls10 -lnls10 -lcore10 -lsnls10 -lnls10 -lxml10 -lcore10 -lunls10 -lsnls10 -lnls10 -lcore10 -lnls10 `cat /u01/app/oracle/product/10.2.0/db_1/lib/ldflags` -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10 -ln10 -lnnz10 -lnl10 -lnro10 `cat /u01/app/oracle/product/10.2.0/db_1/lib/ldflags` -lnsslb10 -lncrypt10 -lnsgr10 -lnzjs10 -ln10 -lnnz10 -lnl10 -lclient10 -lnnetd10 -lvsn10 -lcommon10 -lgeneric10 -lpls10 -lsnls10 -lnls10 -lcore10 -lsnls10 -lnls10 -lcore10 -lsnls10 -lnls10 -lxml10 -lcore10 -lunls10 -lsnls10 -lnls10 -lcore10 -lnls10 -lclient10 -lnnetd10 -lvsn10 -lcommon10 -lgeneric10 -lsnls10 -lnls10 -lcore10 -lsnls10 -lnls10 -lcore10 -lsnls10 -lnls10 -lxml10 -lcore10 -lunls10 -lsnls10 -lnls10 -lcore10 -lnls10 -lld -lm `cat /u01/app/oracle/product/10.2.0/db_1/lib/sysliblist` -lm `if [ "\`/usr/bin/uname -v\`" = "4" ]; then echo "-bI:/u01/app/oracle/product/10.2.0/db_1/lib/pw-syscall.exp"; fi;` -lsql10 /u01/app/oracle/product/10.2.0/db_1/lib/nautab.o /u01/app/oracle/product/10.2.0/db_1/lib/naeet.o /u01/app/oracle/product/10.2.0/db_1/lib/naect.o /u01/app/oracle/product/10.2.0/db_1/lib/naedhs.o

$ cp $ORACLE_HOME/rdbms/lib/bbed $ORACLE_HOME/bin

$ bbed

Password:

BBED: Release 2.0.0.0.0 - Limited Production on Mon Jun 20 20:00:06 2011

Copyright (c) 1982, 2007, Oracle. All rights reserved.

************* !!! For Oracle Internal Use only !!! ***************

BBED> help all

SET DBA [ dba | file#, block# ]

SET FILENAME 'filename'

SET FILE file#

SET BLOCK [+/-]block#

SET OFFSET [ [+/-]byte offset | symbol | *symbol ]

SET BLOCKSIZE bytes

SET LIST[FILE] 'filename'

SET WIDTH character_count

SET COUNT bytes_to_display

SET IBASE [ HEX | OCT | DEC ]

SET OBASE [ HEX | OCT | DEC ]

SET MODE [ BROWSE | EDIT ]

SET SPOOL [ Y | N ]

SHOW [ | ALL ]

INFO

MAP[/v] [ DBA | FILENAME | FILE | BLOCK ]

DUMP[/v] [ DBA | FILENAME | FILE | BLOCK | OFFSET | COUNT ]

PRINT[/x|d|u|o|c] [ DBA | FILE | FILENAME | BLOCK | OFFSET | symbol | *symbol ]

EXAMINE[/Nuf] [ DBA | FILE | FILENAME | BLOCK | OFFSET | symbol | *symbol ]

:

N - a number which specifies a repeat count.

u - a letter which specifies a unit size:

b - b1, ub1 (byte)

h - b2, ub2 (half-word)

w - b4, ub4(word)

r - Oracle table/index row

f - a letter which specifies a display format:

x - hexadecimal

d - decimal

u - unsigned decimal

o - octal

c - character (native)

n - Oracle number

t - Oracle date

i - Oracle rowid

FIND[/x|d|u|o|c] numeric/character string [ TOP | CURR ]

COPY [ DBA | FILE | FILENAME | BLOCK ] TO [ DBA | FILE | FILENAME | BLOCK ]

MODIFY[/x|d|u|o|c] numeric/character string

[ DBA | FILE | FILENAME | BLOCK | OFFSET | symbol | *symbol ]

ASSIGN[/x|d|u|o] =

: [ DBA | FILE | FILENAME | BLOCK | OFFSET | symbol | *symbol ]

: [ value | ]

SUM [ DBA | FILE | FILENAME | BLOCK ] [ APPLY ]

PUSH [ DBA | FILE | FILENAME | BLOCK | OFFSET ]

POP [ALL]

REVERT [ DBA | FILE | FILENAME | BLOCK ]

UNDO

HELP [ | ALL ]

VERIFY [ DBA | FILE | FILENAME | BLOCK ]

CORRUPT [ DBA | FILE | FILENAME | BLOCK ]

BBED>