| From: | Medi Montaseri <medi(dot)montaseri(at)intransa(dot)com> | 
|---|---|
| To: | "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com> | 
| Cc: | Flower Sun <sun_2002_flower(at)yahoo(dot)com>, Pgsql Group <pgsql-general(at)postgresql(dot)org> | 
| Subject: | Re: Cross database reference (databases are on the same | 
| Date: | 2003-04-08 22:45:44 | 
| Message-ID: | 3E935118.5070009@intransa.com | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-general | 
But keeping two databases, allows you to have to physical space (data 
directory) ...
Sort of a replication benefit...
scott.marlowe wrote:
>On Tue, 8 Apr 2003, Flower Sun wrote:
>
>  
>
>>Hi, group,
>>
>>I didn't find a syntax for:
>>
>>select * from database1.tablename; -- while I am login in database2.
>>
>>Note: database1 and database2 are on one server (one database cluster).
>>    
>>
>
>There are two ways to do what you want.  One is the use dblink in the 
>contrib directory, which will let you basically do this.
>
>the other is to move your two databases into one database with seperate 
>schemas, which is the preferred method and will usually result in much 
>faster queries.  
>
>Note that schema support is relatively new (came out in 7.3) so you might 
>have to update your postgrsql server to use them, but they are well worth 
>the effort of upgrading to have.
>
>
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