Ana,
I appreciate the thought, but Change Data Capture needs set up on the
remote sites which I can't change and are on 8i.
Ana C. Dent wrote:
> jhking <jhking_at_airmail.net> wrote in news:cd7ald$gk2_at_library1.airnews.net:
>
>
>>Environment Host: Windows 2k, Oracle 9.0.2.5. Remote Sites Windows 2k
>>Oracle 8.1.7.
>>Connection over somewhat flakey frame relay system.
>>My objective is to gather new/updated data from each remote site and
>>aggregate it on the host. The first issue is that for political reasons
>>I can't change anything on the remote sites (which kills replication or
>>triggers + queues). So I create dblinks to the remote sites and drive
>>the updates from the host. My first answer, do a insert into .. select
>>from for each table I need into staging tables and then move from the
>>staging tables into aggregate tables. For the sites where the
>>connection stays up this is fine, but if the connection dies during the
>>insert into .. select from the session hangs. I've done google and
>>metalink research to find a solution to that but AFAICT that's not
>>solvable. My second answer is to use cursors and fetch a row at a time.
>> Disconnects result in raised errors (which I can deal with) but the
>>performance has become abysmal. I did some tests with bulk fetch and it
>>seems to behave like insert into .. select from hanging on disconnects.
>>I can do virtually anything to the host box and virtually nothing to the
>>remote boxes. Any suggestions on how to make insert into .. select from
>> work in this fragile environment or alternative approaches I could
>>take to getting the data aggregated would be welcome.
>>
>
>
> Change Data Capture feature in 9i
Received on Thu Jul 15 2004 - 23:14:54 CDT
