Database search engine
A database search engine is a search engine that operates on material stored in a digital database.
Search engines
Categories of search engine software include:
- Web search or full-text search (e.g. Lucene).
- structured data search (e.g. Dieselpoint).
- Mixed or enterprise search (e.g. Google Search Appliance).
The largest online directories, such as
web crawlers or spiders (software)
, returning results for thousands of searches per second. Processing high query volumes requires software to run in a distributed environment with redundancy.
Components
Searching for textual content in
Indexing
the data allows for faster searches.
Database search engines are usually included with major database software products.
Applications
Database search technology is used by large public and private entities including government database services, e-commerce companies, online advertising platforms, telecommunications service providers and other consumers with a need to access information in large repositories.