How the import and export procedures process NULL valuesIn a delimited file, a NULL value is exported as an empty
field.import and export proceduresNULL valuesimporting dataNULL valuesexporting dataNULL values
The following example shows the export of a four-column row where the third
column is empty:
7,95,,Happy Birthday
The import procedures work the same way; an empty field is imported as
a NULL value.