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oracle dul 11新功能特性测试
时间:2022-06-29 09:37:04 编辑:袖梨 来源:一聚教程网
千呼万唤oracle dul 11终于发布了,迫不及待的下载来测试,现在版本号为dul 11.2.0.0.1,目前只发布了for linux,其他版本估计要等等.期待该版本有引进新功能
oracle dul 11发布
dul-11.2
oracle-dul-11
dul 11 测试恢复oracle 12c版本
[root@ora1221 dul11]# ./dul
Data UnLoader: 11.2.0.0.1 - Internal Only - on Mon Jun 13 00:04:50 2016
with 64-bit io functions
Copyright (c) 1994 2016 Bernard van Duijnen All rights reserved.
Strictly Oracle Internal Use Only
DUL: Warning: Recreating file "dul.log"
Found db_id = 1414800805
Found db_name = ORCL
DUL> bootstrap;
Probing file = 1, block = 520
. unloading table BOOTSTRAP$
DUL: Warning: block number is non zero but marked deferred trying to process it anyhow
60 rows unloaded
DUL: Warning: Dictionary cache DC_BOOTSTRAP is empty
Reading BOOTSTRAP.dat 60 entries loaded
Parsing Bootstrap$ contents
DUL: Warning: Recreating file "dict.ddl"
Generating dict.ddl for version 12
OBJ$: segobjno 18, file 1 block 240
TAB$: segobjno 2, tabno 1, file 1 block 144
COL$: segobjno 2, tabno 5, file 1 block 144
USER$: segobjno 10, tabno 1, file 1 block 208
Running generated file "@dict.ddl" to unload the dictionary tables
. unloading table OBJ$ 72547 rows unloaded
. unloading table TAB$ 2137 rows unloaded
. unloading table COL$ 115645 rows unloaded
. unloading table USER$ 129 rows unloaded
Reading USER.dat 129 entries loaded
Reading OBJ.dat
DUL: FATAL Error: File OBJ.dat, line 22094: identifier too long
dul 11 恢复oracle 12c 报错分析
看报错OBJ.dat报错数据,从定义上判断是长度过长
[root@ora1221 dul11]# vi OBJ.dat
22091 "22435" "" "0" "JVMFCB" "" "9" ""
22092 "22436" "" "0" "JVMFCB" "" "11" ""
22093 "22437" "56417" "0" "JAVA$CBOBJ$" "" "2" ""
---- 22094 "22439" "" "0" "sun/util/xml/PlatformXmlPropertiesProvider$Resolver" "" "29" ""
22095 "22440" "" "0" "sun/util/xml/PlatformXmlPropertiesProvider$EH" "" "29" ""
22096 "22441" "" "0" "sun/util/xml/PlatformXmlPropertiesProvider$1" "" "29" ""
22097 "22442" "" "0" "sun/util/resources/LocaleNamesBundle" "" "29" ""
对象名长度分析
[oracle@ora1221 ~]$ ss
SQL*Plus: Release 12.2.0.0.3 Production on Fri Aug 7 02:50:35 2015
Copyright (c) 1982, 2016, Oracle. All rights reserved.
Connected to:
Oracle Database 12c Enterprise Edition Release 12.2.0.0.3 - 64bit Production
SQL> select length(object_name) from dba_objects
2 where object_name='sun/util/xml/PlatformXmlPropertiesProvider$Resolver';
LENGTH(OBJECT_NAME)
-------------------
51
SQL> select max(length(object_name)) from dba_objects;
MAX(LENGTH(OBJECT_NAME))
------------------------
123
SQL> desc dba_objects
Name Null? Type
----------------------------------------- -------- ----------------------------
OWNER VARCHAR2(128)
OBJECT_NAME VARCHAR2(128)
SUBOBJECT_NAME VARCHAR2(128)
OBJECT_ID NUMBER
DATA_OBJECT_ID NUMBER
OBJECT_TYPE VARCHAR2(23)
CREATED DATE
LAST_DDL_TIME DATE
TIMESTAMP VARCHAR2(19)
STATUS VARCHAR2(7)
TEMPORARY VARCHAR2(1)
GENERATED VARCHAR2(1)
SECONDARY VARCHAR2(1)
NAMESPACE NUMBER
EDITION_NAME VARCHAR2(128)
SHARING VARCHAR2(18)
EDITIONABLE VARCHAR2(1)
ORACLE_MAINTAINED VARCHAR2(1)
APPLICATION VARCHAR2(1)
DEFAULT_COLLATION VARCHAR2(100)
DUPLICATED VARCHAR2(1)
SHARDED VARCHAR2(1)
CREATED_APPID NUMBER
CREATED_VSNID NUMBER
MODIFIED_APPID NUMBER
MODIFIED_VSNID NUMBER
在oracle 12c中对象名长度已经变为128,但是dul依旧不能支持列长度,既然作者已经在init.dul的Compatible参数曾增加了对12c的支持,那对这样明显的bug应该在不久的将来即可修复。当然这个问题,可以通过一些人工技巧绕过去
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