Mix object tables with relational tables?

Hallo,
is it possible to mix object tables with relational tables in one database?
I didn't succeed in assigning a foreign key from a relational table to an object table.
Is this only working with column objects in relational tables?

Hi
is it possible to mix object tables with relational tables in one database?
Every database contains both types of tables. So, it is basically not a problem.
I didn't succeed in assigning a foreign key from a relational table to an object table.
Is this only working with column objects in relational tables?It would be interesting to know how you tried... e.g. what error you get... Here an example (executed on 11.1).
SQL> create or replace type tt as object ( n number );
2 /
SQL> create table ot of tt (constraint ot_pk primary key (n));
SQL> create table rt (n number, constraint rt_ot_fk foreign key (n) references ot (n));
SQL> insert into ot values (tt(1));
SQL> insert into rt values (1);
SQL> insert into rt values (2);
insert into rt values (2)
ERROR at line 1:
ORA-02291: integrity constraint (OPS$CHA.RT_OT_FK) violated - parent key not foundHTH
Chris

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From Oracle error messages and codes manual:
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what could cause that problem?

Dear,
I suppose that the unique constraint
ORA-00001: unique constraint (TXV.SYS_C0032911) violatedis the one you 've created on the nested table IS_PODACI245_STORE_TABLE
If so, why not disable that constraint and try again.
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SQL*Plus: Release 10.2.0.5.0 - Production on Mon Apr 30 07:38:32 2012
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
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2 /
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2
3
4
5
6
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8
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10
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2 /
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2
3
4
5
6
7
8
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Is there any downside mixing Objective-C with C++ for iOS apps?
When googled for info, I only found tutorials about how to let xcode compile Objective-C with C++.
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hokanst wrote:
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Hi!
I try do create a DB for TINs made of triangles. Because of the topology a triangles ist made of three edges and each edge is made of two nodes. The nodes contain the geometry (x,y,z coordinates).
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the statement below are they true for both Object and Relational tables?
Rows are stored in extents
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collection types can be used in a column
Thanks!

>
Rows are stored in extents
>
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>
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>
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>
yes
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