| Re: DATABASE LINK & SELECT AND THEN ONTO COPY S TATEMENTS [message #51052] |
Tue, 23 April 2002 03:38 |
Abdullah Gilani
Messages: 18
Registered: October 2001
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Junior Member |
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#create a database link with the same name as the database it connects to, OR set global_names=false.
######################################## at Remote Server #################
SQL> alter database rename global_name TO test.com;
Database altered.
SQL> select * from global_name;
GLOBAL_NAME
-----------------------------------------------------
TEST.COM
######################################## at Local Server #################
SQL> Create Public Database Link TEST.COM connect to SYSTEM identified by MANAGER using 'ORCL';
Database link created.
### Note: where 'ORCL' is the Tnsnames String for Remote DB Server and must be exists in the Local DB tnsnames.ora file.
'TEST.COM' is the Remote Database Global Name.
SQL> select count(*) from scott.emp@test.com;
COUNT(*)
----------
8
#########################################################################
###--------- Procedure for LoopBack DB Link -------------###
declare
dbName varchar2(30);
begin
select name
into dbName
from v$database;
begin
execute immediate 'drop public database link loopback';
exception
when others then
null;
end;
execute immediate 'create public database link loopback connect to admin identified by admin using '''||dbName||'''';
end;
###--------- End Procedure for LoopBack DB Link ------------###
Written by,
Abdullah Gilani
Email: syedgilani@hotmail.com
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