Re: Transferring Access data to Oracle

From: <r.schipper_at_pi.net>
Date: 1996/05/27
Message-ID: <NEWTNews.8022.833230415.sijorosc_at_pi-user.pi.net>#1/1


Hello there,

If you use SQL*Loader it is not necessary to drop tables or use truncate first. If you use the option REPLACE the existing data in the table is replaced by the new data.

The replace option makes use of TRUNCATE, so it's necassary that the user has enough rights on the table.

Bye,

Ronald Schipper

>
> -> The best method is drop the table and recreate it again and load
> the data.
> ( It take less time to drop table than deleting all the rows).
>
> You can use TRUNCATE command ( Version 7.0), which will
> drop and recreates the table.
> ( Start with proper initial extent to eliminate fragmentation
> during table creation).
>
> I hope this info may be helpful.
>
> Srini Kunamneni
>
>
>
> Moorthy N. Rekapalli (moorthy_at_atl.mindspring.com) wrote:
> : Hello There,
 

> : I need to transfer Microsoft Access data to Oracle. I am
> : thinking of exporting Access tables to a flat file and then using
> : Oracle's SQL*Loader.
 

> : Access -> Export to flat file -> SQL*Loader -> Oracle.
 

> : In the mean time, people will add more data to Access. I am thinking
> : of transferring data at regular intervals like once in a week. To do
> : this, first I have to delete all the existing data in Oracle tables.
> : I would like to know:
 

> : 1) Are there any better ways of doing this.
 

> : 2) Will there be any problems by deleting all the data from Oracle and
> : Loading data again.
 

> : 3) I am also thinking of dropping the Oracle tables and recreating
> : them before loading data. Will this cause fragmentation or any other
> : problems.
 

> : THANKS very much.
 

> : Moorthy
> : (moorthy_at_mindspring.com)
>
>
Received on Mon May 27 1996 - 00:00:00 CEST

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