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>本文题目：BBED使用
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