How To Load Data through External Tables

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Q

How To Load Data through External Tables? - Oracle DBA FAQ - Loading and Exporting Data

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A

If you have data stored in external files, you can load it to database through an external table by the steps below:

Create an external table with columns matching data fields in the external file.
Create a regular table with the same columns.
Run an INSERT INTO ... SELECT statement to load data from the external file to the regular table through the external table.

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