In statistical research, this indicator allows you to select the entries in the table for which there is no entry.

For example, which illustrators do not have postcards

For example, which localities do not have postcards.

This option is especially useful for administrators

There are several standard search parameters that are valid on all objects in the site.

Depending on the module and the context these parameters are mandatory or not, hidden or not, modifiable or not

- the text sought
- the search mode (exact or not, starting or ending with, etc ...)
- terms to exclude (comma separated list of words)
- the level of research (extended or not)
- the age of the information

- the domain of information searched (may be undefined)
- the desired object (may be undefined)

Note: The search is case-insensitive (ie, uppercase and lowercase)