Wednesday, October 5, 2011

there is still one advantage from 'exp', comparing to 'expdp'

The 'exp' can be used in 'read only' database, which is good to ensure data integrity.

[oracle@vmxdb01 ~]$ expdp \"/ as sysdba\" directory=DUMPDIR dumpfile=aud.dmp logfile=aud.log tables=sys.aud$

Export: Release 11.2.0.2.0 - Production on Wed Oct 5 23:01:38 2011

Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-31626: job does not exist
ORA-31633: unable to create master table "SYS.SYS_EXPORT_TABLE_05"
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPV$FT", line 1020
ORA-16000: database open for read-only access


[oracle@vmxdb01 ~]$ exp \"/ as sysdba\" file=aud.dmp tables=sys.aud$;

Export: Release 11.2.0.2.0 - Production on Wed Oct 5 23:02:00 2011

Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.


Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses AL32UTF8 character set (possible charset conversion)

About to export specified tables via Conventional Path ...
. . exporting table AUD$ 254 rows exported
EXP-00091: Exporting questionable statistics.
Export terminated successfully with warnings.