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Create a copy of an Oracle Tablespace
I have an Oracle 9.2.0.7 tablespace called ABC that contains tables, triggers, and stored procedures. I need to make a copy of ABC called XYZ that contains all the same objects as ABC. What is the best way to accomplish that?
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by: sjwalesPosted on 2007-03-06 at 12:33:04ID: 18665099
If you are looking to do the copy in a separate tablespace, then export/import with transportable tablespaces is the best option, I would think:
http://download-west.oracl
However, I get the opinion that this isn't what you want to do.
I created an empty schema called "FRED" and exported it, just to see what Oracle told me it was going to export (output below)
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user FRED
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user FRED
About to export FRED's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export FRED's tables via Conventional Path ...
. 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.
Looks like it will export everything you want.
If you know what objects are in your tablespace (dba_objects) and all objects for those schemas exist only in that tablespace, you could export just the affected schemas, create a new user with default tablespace XYZ and import.
Something like this:
-- Get the schemas affected
select owner from dba_objects where tablespace_name = 'ABC'
-- Make sure the objects are all in that tablespace only, using the output from the query above, or just make it a subquery)
select distinct tablespace_name from dba_objects where owner in ('xxxx','xxxx');
Export:
exp userid=system owner=user1,user2,user3 file=myexport.dmp log=myexport.log
Create new users with default tablespaces being XYZ
imp user=system fromuser=user1 touser=newuser1 file=myexport.dmp log=myimport.log
Something like that might work for you. (I haven't tested it, but it seems like it should work).