EXP-00091: Exporting questionable statistics解决方法

rac2-> export NLS_LANG=AMERICAN_AMERICA.UTF8
rac2-> exp hr/hr owner=hr file=hr1.dmp grants=y

Export: Release 10.2.0.1.0 - Production on Wed Jul 8 13:52:44 2009

Copyright (c) 1982, 2005, Oracle. All rights reserved.


Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
Export done in UTF8 character set and AL16UTF16 NCHAR character set
server uses AL32UTF8 character set (possible charset conversion)
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user HR
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user HR
About to export HR's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export HR's tables via Conventional Path ...
. . exporting table COUNTRIES 25 rows exported
EXP-00091: Exporting questionable statistics.
. . exporting table DEPARTMENTS 27 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. . exporting table EMPLOYEES 107 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. . exporting table JOBS 19 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. . exporting table JOB_HISTORY 10 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. . exporting table LOCATIONS 23 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. . exporting table REGIONS 4 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. exporting synonyms
. exporting views
. exporting stored procedures
. exporting operators
. exporting referential integrity constraints
. exporting triggers
. exporting indextypes
. exporting bitmap, functional and extensible indexes
. exporting posttables actions
. exporting materialized views
. exporting snapshot logs
. exporting job queues
. exporting refresh groups and children
. exporting dimensions
. exporting post-schema procedural objects and actions
. exporting statistics
Export terminated successfully with warnings.
rac2->

解决方法:

SQL> l
1* select * from nls_database_parameters t where t.parameter='NLS_CHARACTERSET'
SQL> /

PARAMETER
------------------------------
VALUE
--------------------------------------------------------------------------------
NLS_CHARACTERSET
AL32UTF8


SQL> select * from v$nls_parameters where parameter='NLS_CHARACTERSET';

PARAMETER
----------------------------------------------------------------
VALUE
----------------------------------------------------------------
NLS_CHARACTERSET
AL32UTF8


SQL>

SQL> show parameter nls

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
nls_calendar string
nls_comp string
nls_currency string
nls_date_format string
nls_date_language string
nls_dual_currency string
nls_iso_currency string
nls_language string AMERICAN
nls_length_semantics string BYTE
nls_nchar_conv_excp string FALSE
nls_numeric_characters string

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
nls_sort string
nls_territory string AMERICA
nls_time_format string
nls_time_tz_format string
nls_timestamp_format string
nls_timestamp_tz_format string

rac2-> export NLS_LANG=AMERICAN_AMERICA.AL32UTF8
rac2-> exp hr/hr owner=hr file=hr3.dmp grants=y

Export: Release 10.2.0.1.0 - Production on Wed Jul 8 13:55:25 2009

Copyright (c) 1982, 2005, Oracle. All rights reserved.


Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
Export done in AL32UTF8 character set and AL16UTF16 NCHAR character set
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user HR
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user HR
About to export HR's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export HR's tables via Conventional Path ...
. . exporting table COUNTRIES 25 rows exported
. . exporting table DEPARTMENTS 27 rows exported
. . exporting table EMPLOYEES 107 rows exported
. . exporting table JOBS 19 rows exported
. . exporting table JOB_HISTORY 10 rows exported
. . exporting table LOCATIONS 23 rows exported
. . exporting table REGIONS 4 rows exported
. exporting synonyms
. exporting views
. exporting stored procedures
. exporting operators
. exporting referential integrity constraints
. exporting triggers
. exporting indextypes
. exporting bitmap, functional and extensible indexes
. exporting posttables actions
. exporting materialized views
. exporting snapshot logs
. exporting job queues
. exporting refresh groups and children
. exporting dimensions
. exporting post-schema procedural objects and actions
. exporting statistics
Export terminated successfully without warnings.
rac2->

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