
| Result set name | Named result sets are supported |
| Database names | Database names are case-insensitive. The NEKTÁR Server supports searching one database at a time, not combined |
| Element set names | NEKTÁR supports element set naming and will return Brief (B) and Full (F) records |
| Query | Type-1 (RPN) and Type-101 queries are supported. The maximum length of a search term is 500 characters |
| Attribute set | Bib-1 only is supported |
| Operand | The Result set ID can be used in the Operand (for qualifying searches) |
| Operators supported |
AND OR AND NOT Proximity operators NEAR and WITH |