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dg4odbc vs dg4msql
Posted on 2012-12-24
I was using a direct database link to an mssql using dg4odbc..
because of performance issues i started looking for alternatives and installed transparent gateway with dg4msql
performance is unchanged. there is no difference in querying time
eg
select * from rmordp@"dblink" where ORDITMNUM = 89129 and ordordqty = 48 and ordseqnum = 24 and ordprcgrp = 8242;
takes 9.351 seconds over the database link.
if i run that same query from the mssql server, it takes less than half a second..
can someone tell me what I am doing wrong or how i should go about getting remote data via oracle in a timely fashion?
because of performance issues i started looking for alternatives and installed transparent gateway with dg4msql
performance is unchanged. there is no difference in querying time
eg
select * from rmordp@"dblink" where ORDITMNUM = 89129 and ordordqty = 48 and ordseqnum = 24 and ordprcgrp = 8242;
takes 9.351 seconds over the database link.
if i run that same query from the mssql server, it takes less than half a second..
can someone tell me what I am doing wrong or how i should go about getting remote data via oracle in a timely fashion?
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4 Comments
when you are querying remotely it also depends on the network bandwidth which you have to communicate between the servers.
please check what is your bandwidth.
please check what is your bandwidth.
its not a bandwidth issue, when i use TOAD for SQL Server to query the sql server directly (without having oracle as a middle man)
my execution times are pretty fast, i am doing this from the same machine that I have sql developer on
my execution times are pretty fast, i am doing this from the same machine that I have sql developer on
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