If you save the table data as CSV files, it is relatively easy to import them into Oracle using SQLLoader or external tables. Since we can use SQL with external tables, they usually work with eaiser, and therefore, SQLLoader is preferred over almost all cases. SQL * Loader is the best choice when working with huuuuge data and with ultra-fast loading.
Learn more about external tables here . You will find the equivalent link for SQL * Loader here .
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