Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change 
notification.

The following page has been changed by Lance Norskog:
http://wiki.apache.org/solr/WhyUseSolr

------------------------------------------------------------------------------
- Assuming the user has a relational DB, why use Solr?
+ Assuming the user has a relational DB, why use Solr?  If your use case 
requires a person to type words into a search box, you want a text search 
engine like Solr.
  
- Databases and Solr have complementary strengths and weaknesses.
+ Databases and Solr have complementary strengths and weaknesses. SQL supports 
very simple wildcard-based text search with some simple normalization like 
matching upper case to lower case. The problem is that these are full table 
scans. In Solr all searchable words are stored in an "inverse index", which 
searches orders of magnitude faster. For a more complete description of Solr's 
features, see http://lucene.apache.org/solr/features.html (link)
  
  ||||||<tablestyle="width: 80%">'''Solr v.s. Relational Database'''||
  ||Lucene||<style="width: 30%;"> Solr ||<style="width: 30%; text-align: 
center;">Relational DB||

Reply via email to