Key features
DB2 Net Search Extender Version 8.1 has the following key features:
- Indexing
- Fast indexing of very large data volumes
- Dynamic updating of indexes
- Storing table columns in main memory at indexing time to avoid expensive
physical read operations at search time
- A choice of command line or interface via the DB2 Control Center for indexing
- Different text formats, for example HTML and XML
- Support of third-party filtering software "Outside In"
- Nickname table support
- DB2 Data Link Manager support
- Support of presorted text indexes
- Partitioned database support
- Search
- Boolean operations
- Proximity search for words in the same sentence or paragraph
- "Fuzzy" searches for words having a similar spelling as the search
term
- Wildcard searches, using front, middle, and end masking, for whole words
and single characters
- Free-text searches. For documents containing specific text, the search
argument is expressed in natural language
- A highlight function to show why a particular document qualified
as a search result
- Thesaurus support
- Restrict searching to sections within documents
- Numeric attribute support
- High-speed searching through a large number of text documents with many
concurrent users
- Search results
- You can specify how the search results are sorted at indexing time
- You can specify search result subsets when searching large data volumes
and expecting large result lists
- You can set a limit on search terms with a high hit count
- Built-in SQL functionality combined with the DB2 Optimizer automatically
selects the best plan according to the expected search results