| 9.2.2.5.4. NOT | ||
|---|---|---|
 | 9.2.2.5. Boolean operators |  |
| 9.2.2.5.4. NOT | ||
|---|---|---|
| | 9.2.2.5. Boolean operators | |
The NOT operator excludes documents that contain the term after NOT.
To search for documents that contain “learning federation” but not “learning object” use the query:
"learning federation" NOT "learning object" |
![[Note]](../images/note.jpg) | Note |
|---|---|
The NOT operator cannot be used with just one term as it will return no results | |
| |  | |
| 9.2.2.5.3. + |  | 9.2.2.5.5. - |