Comments on: Oracle Data Pump Schema Export and Public Synonyms

By: Kirill Loifman

Kirill Loifman — Fri, 20 Jan 2012 14:57:19 +0000

Unfortunately Bradd’ solution did not work for me also. The export session is simply hanging with it. However after some tests I found a fix.
See here: http://www.dadbm.com/2012/01/how-to-export-public-database-objects-with-oracle-data-pump/

– Kirill Loifman, dadbm.com

By: Justin

Justin — Thu, 27 Oct 2011 17:05:51 +0000

I was wrestling with Bradd’s INCLUDE line for impdp and it wasn’t working wasn’t working and then I realized that OF COURSE it wasn’t going to work because the select is empty because there aren’t any public synonyms yet.

I’d like to just import the public synonyms for the schema(s) that I’m importing. Darn – maybe next version.

(yes, I know that I can use a script to generate the create public synonym statements, but I’d like to just get it out of the datapump.dmp file)

By: Kirill Loifman

Kirill Loifman — Fri, 14 Oct 2011 12:42:15 +0000

Do not expect exp or expdp extract public objects during schema export by default.
You have to transfer them all BEFORE the import to avoid errors. These are, other referenced users, roles, public synonyms, db links, user_profiles, etc.

– Kirill Loifman, dadbm.com

By: Bradd Piontek

Bradd Piontek — Wed, 27 Oct 2010 17:38:35 +0000

yes, an old thread, but I’m working on a lot of datapump moves these days.

Related to PUBLIC SYNONYMS but only for the schema you are moving

Try this:

INCLUDE=SYNONYM:”IN(SELECT synonym_name FROM dba_synonyms WHERE owner = ‘PUBLIC’ and table_owner=’TEST’)”

That worked for me.

By: Alex Gorbachev

Alex Gorbachev — Thu, 02 Nov 2006 02:36:13 +0000

Updated the original post with that.

By: Alex Gorbachev

Alex Gorbachev — Thu, 02 Nov 2006 00:59:06 +0000

Thanks andrew,
Good catch about DB links. Isn’t this a beauty of sharing your experience?
The more you share about what you do and come up with, the stronger your procedures and knowedge are. Amazing paradox. Huh?

Paul,
I guess there is no difference to Data Pump then! :-) Both, old Export and Data Pump, do not process public synonyms on schema export.
Hurray! I just tested it again becuase I did a small test earlier prior this post to make sure I didn’t miss something and you know what? I did miss one thing. I gazed quickly on “. exporting PUBLIC type synonyms” line and mistakenly took it for confirmation that public synonyms are handled by old Export. On the second look only I noticed that it’s talking about public types.

By: andrew

andrew — Wed, 01 Nov 2006 20:25:33 +0000

Don't forget about DB links... select 'CREATE '|| decode(owner,'PUBLIC','PUBLIC ',null) || 'SYNONYM ' || decode(owner,'PUBLIC',null, owner || '.') || lower(synonym_name) || ' FOR ' || lower(table_owner) || '.' || lower(table_name) || decode(db_link,null,null,'@'||db_link) || ';' from sys.dba_synonyms where table_owner != 'SYS' order by owner /

By: Paul Muller

Paul Muller — Wed, 01 Nov 2006 17:56:59 +0000

Good point!
However, just to clarify, EXP only captures public synonyms in full export mode (full=y), not schema-level, or table level mode.