Library data is imported from a text file. The original file did not include a lot of information. Only the title and the ISBN number were imported (1).

Click Auto Catalog-Update (2).

Select the search type (1). To update books select ISBN-Book search type. Select the search site (2). For example, you can select Library of Congress. Select the field that stores the ISBN number (3). Click Web Search (4) to start the search.

The status line at the bottom of the window displays the search messages (1).

Click on the item in the Found Items (2) section and review the data in the Details (3) section.

Click Update (4) to update the data in the new items table.

Only empty fields will be updated.

Items that were found are updated in the Library New table.

The update log file is created. The text file includes information about updated items. The file lists item id and the list of updated data fields.

The file is stored in the library folder: C:/handy_lib/data/db
The name of the file is in the form: update_DateTime.txt

Review updated library data.

You can move updated items to your library main catalogue and repeat auto-update feature with not updated items using another search.

Define the filter (advanced search) that displays only updated items.

Move updated item to the library main catalogue.

Repeat the update procedure with another web search.

Data Field Mapping

On the Field Mapping tab review the mapping definitions (how the information is imported into the items table). You can add one line into the mapping definition that would help you to filter out updated items. For example you can use something like :
Updated =>{CUSTOM1}
All updated item will have text "Updated" inserted into the CUSTOM1 data field.

How to identify which item was updated and which one was not?

You can use Advanced Search and display only items that are updated.

UPPER(CUSTOM1)='UPDATED'
or
AUTHOR='' OR AUTHOR IS NULL

Can I use multiple search sites when trying to update items? What happens if two search engines are selected?

You can select several search sites. The auto-update procedure will search for the item information according to the search mode set in the Options (search until found or search all selected sites). In this case the update will combine all results.

How to find the ISBN list of not found items?

After the update click on the Not Found Items tab.

Question:
How to display items that don't have the AUTHOR?

Answer: In the Advanced Search define the following:

AUTHOR='' OR AUTHOR IS NULL

Copy the above text into the Search Condition box and click Search.