If you insert the following marker [_null_] into a cell, you can remove the value of the field when running these types of imports:
Using the [_null_] marker will clear out that field in the database table.
Note the following rules:
- Action must be in Update mode
- Value cannot be a required field (e.g. CatalogueItemID or CataloguItemName)
- Field data type must be of type text (e.g. VARCHAR, TEXT, etc)
- The marker does not work on number values (e.g. INT, DATE, TIME, etc.)