Re: DB-Link Question

Looks like a global_names problem. The setting for global names affects links in certain instances even if the "global_names" parameter of init<sid.ora> is set to false.

Ian MacGregor
Stanford Linear Accelerator Center
ian_at_slac.stanford.edu

Jack van Zanen wrote:
>
> Hi All,
>
> I am trying to create a database link to connect to database htst75
> it is succesfully created but when I use it I get following message
> ****************************************
> 10:40:59 18-HDEV75-JACK> select * from v$database_at_htst75.world;
> select * from v$database_at_htst75.world
> *
> ERROR at line 1:
> ORA-02085: database link HTST75.WORLD connects to HACC75.WORLD
>
> 10:41:13 18-HDEV75-JACK> select * from v$database_at_htst75
> 10:41:34 2 /
> select * from v$database_at_htst75
> *
> ERROR at line 1:
> ORA-02085: database link HTST75.WORLD connects to HACC75.WORLD
>
> \****************************************
> When I check the tnsnames.ora on the database server htst75 points to htst75.
> If I SQLPLUS to htst75 it connects to htst75 w/o problem from the database
> server. (Select * from v$database shows the db_name being htst75)
>
> If I check and drop all database links (dba_db_links) and start with creating
> just the one link it still complaints about wrong database.
>
> If I rename the alias to something else(test) in the tnsnames.ora and create a
> db_link "TEST" it gives the same error message but with HTST75 changed to TEST
> in the error message.
> sqlplus <user>/<password>@TEST works like a charm
>
> export ORACLE_SID=HTST75
> sqlplus <user>/<password> connects to HTST75 w/o problems
>
> Random checking off other database links to the other databases in the tnsnames
> file was without errors.
>
> Does anybody have any idea what or where to look for an answer to this.
>
> TIA
>
> Jack
>
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> --
> Author: Jack van Zanen
> INET: nlzanen1_at_ey.nl
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Received on Thu May 04 2000 - 16:03:44 CDT