SQL*Loader is an Oracle-supplied utility that allows you to load data from a flat
file into one or more database tables. That’s it. That’s the sole reason for
SQL*Loader’s existence.
The basis for almost everything you do with SQL*Loader is a file known as the
control file. The SQL*Loader control file is a text file into which you place a
description of the data to be loaded. You also use the control file to tell
SQL*Loader which database tables and columns should receive the data that you
are loading.
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