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Re: Urgent: Clarifications in data transfer...

From: SENTHILKUMAR NALLATHAMBI <senthilkumar.nallathambi_at_tatainfotech.com>
Date: Thu, 18 May 2000 13:02:06 +0530 (IST)
Message-Id: <10501.105923@fatcity.com>


Hi Rajagopal,Claudia,Jhonson,

        Thanks for all your views. It'll be of great help to me in deciding the method.

NS.

On Tue, 16 May 2000, Rajagopal Venkataramany wrote:

> Hi Senthil,
>
> My views are :
>
> The Flat file method would be the best due to the following reasons :
>
> 1. We do not have to have the databases running at the same time for
> the sync up to happen. We do not run the risk of trying to connect
> to the remote db when it is undergoing a maintenance run or is down
> for some reasons.
>
> 2. The extraction could be done in the source db in a lean time.
>
> 3. The file can be compressed, transmitted and uncompressed at the
> destination reducing the overload on the network even if the file
> size increases in future.
>
> 4. SQL-loader is lot more faster and good at handling batch data
> loads.
>
> Regards
> Rajagopal Venkataramany
>
> ----Original Message Follows----
> From: SENTHILKUMAR NALLATHAMBI <senthilkumar.nallathambi_at_tatainfotech.com>
> Reply-To: ORACLE-L_at_fatcity.com
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> Subject: Urgent: Clarifications in data transfer...
> Date: Tue, 16 May 2000 07:05:18 -0800
>
>
> Hi gurus,
>
> I have two databases A and B and need to transfer data between them.
> A and B are located in geographically different regions. The link between
> them is either a leased or a dialup over a VSN line.
> I have same table structures in both the database.
> Average load would be 500 - 1000 records (600 bytes/record) per day.
> The peak load will be 20,000 (600 bytes/record) records/day .
>
> I would like to know the efficient mode of data transfer.
> I will be transferring record in batch mode.
>
> I thought of two alternatives:
>
> 1.Creating a dblink and transferring the information between the database.
> 2.Use SQL loader, create flat files and transfer the flat file.
>
> I also like to know the main issues that i must consider while doing
> on a dblink and the exceptions that i need to handle.
>
> Any help will be of great use,
>
>
> NS.
>
>
> --
> Author: SENTHILKUMAR NALLATHAMBI
> INET: senthilkumar.nallathambi_at_tatainfotech.com
>
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NS.


			SENTHIL KUMAR N
			SYSTEMS ENGINEER
			TATA INFOTECH LIMITED
			BANGALORE 560038
			INDIA.
                        email:senthilkumar.nallathambi_at_tatainfotech.com
                        phone:+91(080) 5284681 extn: 251.
			fax:+91(080) 5284491.
Received on Thu May 18 2000 - 02:32:06 CDT

Original text of this message

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