Here's a link to various transformations you can do while indexing and searching in Solr: http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters Consider > stemming > ngrams > WordDelimiterFilterFactory > ASCIIFoldingFilterFactory > phrase queries > boosting > synonyms > blah blah blah
You can't do a lot of these transformations, at least not easily in SQL. OTOH, you can't do 5-way joins in Solr. Different problems, different tools.... All that said, there's no good reason to use Solr if your use-case is satisfied by simple keyword searches that have no transformations, mysql etc. work just fine in those cases. It's all about selecting the right tool for the use-case. FWIW, Erick On Mon, Jun 3, 2013 at 4:44 AM, Mysurf Mail <stammail...@gmail.com> wrote: > Thanks for your answer. > Can you please elaborate on > "mssql text searching is pretty primitive compared to Solr" > (Link or anything) > Thanks. > > > On Sun, Jun 2, 2013 at 4:54 PM, Erick Erickson <erickerick...@gmail.com>wrote: > >> 1> Maybe, maybe not. mssql text searching is pretty primitive >> compared to Solr, just as Solr's db-like operations are >> primitive compared to mssql. They address different use-cases. >> >> So, you can store the docs in Solr and not touch your SQL db >> at all to return the docs. You can store just the IDs in Solr and >> retrieve your docs from the SQL store. You can store just >> enough data in Solr to display the results page and when the user >> tries to drill down you can go to your SQL database for assembling >> the full document. You can..... It all depend on your use case, data >> size, all that rot. >> >> Very often, something like the DB is considered the system-of-record >> and it's indexed to Solr (See DIH or SolrJ) periodically. >> >> There is no underlying connection between your SQL store and Solr. >> You control when data is fetched from SQL and put into Solr. You >> control what the search experience is. etc. >> >> 2> Not really :(. See: >> >> http://searchhub.org/dev/2012/07/23/sizing-hardware-in-the-abstract-why-we-dont-have-a-definitive-answer/ >> >> Best >> Erick >> >> On Sat, Jun 1, 2013 at 1:07 PM, Mysurf Mail <stammail...@gmail.com> wrote: >> > Hi, >> > >> > I am just starting to learn about solr. >> > I want to test it in my env working with ms sql server. >> > >> > I have followed the tutorial and imported some rows to the Solr. >> > Now I have a few noob question regarding the benefits of implementing >> Solr >> > on a sql environment. >> > >> > 1. As I understand, When I send a query request over http, I receive a >> > result with ID from the Solr system and than I query the full object row >> > from the db. >> > Is that right? >> > Is there a comparison next to ms sql full text search which retrieves >> the >> > full object in the same select? >> > Is there a comparison that relates to db/server cluster and multiple >> > machines? >> > 2. Is there a technic that will assist me to estimate the volume size I >> > will need for the indexed data (obviously, based on the indexed data >> > properties) ? >>
