Searching the text of a collection of documents or free text fields in a database to find those containing a word or combination of words.

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2
votes
1answer
309 views

Longest prefix search in Oracle

I have a list of phone number prefixes defined for large number of zones (in query defined by gvcode and cgi). I need to efficiently find a longest prefix that matches given number PHONE_NR. I use ...
3
votes
0answers
134 views

custom population of full text index

Is there any way to populate a full text search index without storing the backing information in the database? I don't mean using remote-blob-storage or FILESTREAM types. The backing information is a ...
2
votes
1answer
42 views

Audit full text activity

I need to find when and which user created full text catalog, and who added/modified/deleted the columns (that were full text indexed) in that full text catalog.
0
votes
1answer
92 views

Can I use the database and query it while full-text indexing?

I need to index my database, but I need to query it while it is indexing, it may take a long time, can I do that?
2
votes
1answer
693 views

Reorganize full text catalog is offline or online?

I need to schedule a Full Text Search Maintenance and I was reading this link: http://msdn.microsoft.com/en-us/library/ms176095.aspx. Reading this documentation I am supposing that I need to ...
6
votes
1answer
237 views

BM25 (full-text search) implementation in SQL Server

I've hit a stump, while trying to implement the BM25 algorithm in SQL Server 2008 R2. I know that SQL Server includes the Full-Text Search option, which already implements a variant of BM25, but I ...
1
vote
1answer
758 views

Full-text search migration 2005 -> 2012 (.ndf file?)

So I'm trying to figure out the details for migrating from SQL Server 2005 to SQL Server 2012. I tried to do restore and backup of a DB from 2005 to 2012. This worked well and for the text search ...
2
votes
0answers
88 views

Combining full-text-search queries

I have two tables in a SQL Server database with basic fulltext indexes: CREATE FULLTEXT CATALOG table1_catalog; CREATE FULLTEXT INDEX ON table1 ( name1 ) KEY INDEX pk_table1 ON ...
4
votes
2answers
947 views

maintaining full text index on large table

I'm on SQL Server 2008 and have a table, for reporting purposes, with 500,000 records that will easily reach the millions. The table will employ a full text index for rapid searching on a handful of ...
4
votes
1answer
168 views

Fulltext stoplist replication

In MS SQL Server 2008 R2 there is replication of table with fulltext index on it. But stoplist that is associated with replicated fulltext index doesn't replicate. Is there any possibility to ...
2
votes
2answers
936 views

MySQL - SQL statement to test minimum length of the word 'ft_min_word_len'

I'm trying to understand FULLTEXT indexes. Is there some SQL query to test 'ft_min_word_len' variable? I've tried to match four characters only in the example below but it doesn't work. Why the ...
3
votes
2answers
603 views

MySQL Full Text search increase relevance for exact matches?

I have a MySQL database of ~10,000 organisation names that I want to be able to search. I would like to use a full text search because this would enable me to find "institute of doobry" by searching ...
0
votes
1answer
170 views

viewing the population? (sql server full text search)

I'm thinking that when we are working on full text search, we might want to view how sql server FT engine breaks the data and indexes it. For my case the column being indexed are simple nvarchar ...
0
votes
2answers
146 views

mySQL- large database

I need guideline to setup DBMS(MYSQL or SQL Server 2008). The database size is expected upto 80-100GB in next few months. One main table will contain textual content like essays. Can MySQL handle such ...
3
votes
2answers
1k views

sql server full text search - fuzzy searching?

Is there a way to configure fuzzy searches in sql server full text search. Meaning if I search for a term called POWDER, I must get matches (i.e. strings) which contain any variations of it within an ...
0
votes
1answer
246 views

MySQL not allowing text columns?

I'm using MySQL 5.5.27. I currently have a BLOB column, that I want to convert to text to allow fulltext searching. The ALTER TABLE command to create a text column is successful, but the ALTER TABLE ...
0
votes
2answers
533 views

Bypass MyISAM table lock

I have a big MyISAM table with a fulltext index for searching. Problem is that inserting data into that table results in a table lock and in the meantime no other sql query can perform any action ...
0
votes
1answer
938 views

MySQL Fulltext match with forward slashes

I'm trying to run a fulltext match against a product database, where the product names have forward slashes in them. These are staple sizes, so it's quite important that they get matched. However, ...
3
votes
0answers
379 views

How do I get more details on a full text catalog error?

I have an error that is repeatedly generated on a SQL Server 2005 instance running the databases for MS Team Foundation Server. 'Severity 16' occurred on INSTANCENAME Looking in the SQL Server ...
0
votes
1answer
36 views

Which triplestores have support for full-text search

Which RDF triplestores support full-text search and what performance can be expected from them. I am assuming that they will have to extend SPARQL in some way as the only way that I can think of for ...
0
votes
1answer
42 views

Which text-index I should create for xooops engine to achieve better search results?

In one of projects we use xoops engine to manage content. In mysql slow query log most of queries are following : SELECT p.uid,f.forum_id, p.topic_id, p.poster_name, p.post_time, f.forum_name, ...
1
vote
1answer
978 views

postgres GROUP BY and ORDER BY problem

I have two tables like this: CREATE TABLE cmap5 ( name VARCHAR(2000), lexemes TSQUERY ); and CREATE TABLE IF NOT EXISTS synonyms_all_gin_tsvcolumn ( cid int NOT NULL ...
0
votes
1answer
397 views

slow queries - set weight to token type in tsquery - postgresql

Postgresql version 9.2.3! I'm working on a database for mapping of chemical names. My main table contains aprox 91 million records and it's indexed by gin. I want to query it with multiple names (I'm ...
1
vote
1answer
170 views

Avoiding performance hit from GROUP BY during FULLTEXT search?

Is there any clever way to avoid the performance hit from using group by during fulltext search? SELECT p.topic_id, min(p.post_id) FROM forum_posts AS p WHERE MATCH (p.post_text) AGAINST ('baby ...
2
votes
1answer
107 views

Are there differences in performance of getting data between FullText Search and indexed columns

In SQL Server 2008 R2 I have a query which looks like create stored procedure give_me_art @filter varchar(15),@skl_id int begin select id,naziv,sifra,isnull(lager.kolicina,0) as lager from art ...
1
vote
1answer
978 views

Why does MATCH() give Score 0, if there are less rows in the database?

I followed this example from the Mysql Documentation: CREATE TABLE articles ( id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY, title VARCHAR(200), body TEXT, FULLTEXT ...
1
vote
1answer
366 views

Installing Full Text Search on SQL Server 2008 R2 Express

I can't for the life of me install full text search on my SQL Server 2008 R2 instance. Every installer I have tried shows me this: I've tried: SQLEXPRADV_x64_ENU.exe SQLEXPRWT_x64_ENU.exe ...
1
vote
0answers
51 views

Fulltext indexes and issuers with server startup

I have a windows server for host about 4500 data bases for same application. And this application have 34 fulltext catalogs on it, and the CHANGE_TRACKING for this fulltext index are AUTO. And the ...
4
votes
1answer
2k views

Using Solr/Lucene for searching non-text tables?

I am creating a web application to retrieve subsets of one large (4m rows) table. The 4m rows only change once a year. The table has 200+ columns of types boolean and numeric. It has no text columns. ...
2
votes
1answer
3k views

Privileges needed for Oracle Text

I'm new to Oracle Text and I am using it to support a search feature in an application I have written. The everything seems to be working correctly except I'm not happy with the fact that I had to ...
4
votes
3answers
561 views

Full Text Search With PostgreSQL

i have a table with this rows: Stickers ------------------------------------------------------ ID | Title |Keywords (ts_vector) ------------------------------------------------------ ...
4
votes
2answers
3k views

How to search for a specific column name in all the tables in MySQL Workbench?

In MySQL Workbench, is it possible to search for a specific column name in all the tables? (Writing the string to look for in the field at the top right does nothing). Thank you.
2
votes
0answers
42 views

improving this goal query

Goal joining the two tables: tbl_quickSearchParam (fulltext search results) against tbl_product ( active products : prod_status = 1, group by prod_image_name) create table tbl_product ( ...
1
vote
1answer
2k views

Find fulltext indexes in SQL Server 2008

How do I find a list of tables that have a FULLTEXT INDEX applied to them on a given database? For example, you can enable and disable a FULLTEXT INDEX like this: ALTER FULLTEXT INDEX ON ...
1
vote
1answer
151 views

Parse hyphenated word to unsigned integer

When tested to_tsvector on 'someword-123' with english full text config, I got the following result: SELECT to_tsvector('someword-123'); to_tsvector tsvector -------------------- "'-123':2 ...
1
vote
1answer
1k views

SQL Server Full-Text Indexer with stoplists/stopwords

As I'm working on a graduate project (Textmining with SQL Server 2012 Semantic Search) I run into a situation where I need to post a question on this website, hoping someone can help me. This ...
9
votes
2answers
472 views

SQL Server Filetable document properties

I'm using SQL Server 2012's Filetable to store documents and search them with Semantic Search. I was wondering if there is a way to list all the document properties (meta data). There is a way to ...
2
votes
2answers
95 views

Looking for a database that supports fulltext but does not lock table on insert or update

I have a program that needs to insert and update a table very frequently (200+ insert or update queries per minute), and this table should also support fulltext search. I am currently using MySQL ...
3
votes
0answers
129 views

SQL Server fulltext_semantic_languages

When trying to install a semantic search example, I'm running into a problem. There are some steps in the example to check if the 'new' Semantic Search and Full Text Search are installed. ...
1
vote
1answer
2k views

Full-text search in SQL Server on multiple tables fails

tl;dr version: A full-text search using FREETEXTABLE that worked fine on one column in one table produces 100% false postitives and 100% false negatives when the same steps are followed but the ...
0
votes
1answer
204 views

How to avoid certain characters in MySQL full text search?

I have a column named parcel_number of varchar type. It contains values like ab-cd-ef and uvwxyz. A search for abcdef or uv-wx-yz does not return those records. How should I write the query to meet ...
1
vote
1answer
628 views

Slow insert with MySQL full-text index

I use a full-text index in a MySQL table, and each insert into this table takes about 3 seconds. It seems that MySQL rebuilds (a part) of the full text index after each insert/update. Is this right? ...
3
votes
1answer
193 views

Can underscore be forced as a word splitter without a full-text parser plugin?

Is there any way in MySQL to force underscore to become a word splitter character (like space or dash) without having to use a fulltext parser plugin? If not, does such a plugin already exist or do I ...
3
votes
2answers
396 views

What characters are word breakers in English for SQL Server 2005 and 2008 R2?

I can find what DLL supports English word breakers by using sp_help_fulltext_system_components but I have not been able to find an actual list of the word breaking characters for English (like blank, ...
1
vote
2answers
800 views

Slow mysql fulltext query

I have a little problem with the performance of a mysql-query which uses a fulltext index. The following query SELECT Mention.id FROM mentions AS Mention WHERE (MATCH (`Mention`.`title_text`, ...
0
votes
1answer
118 views

SQL Server 2008 Full-Text Search installation

I have full version of SQL Server 2008 R2 on my machine. Only problem is when my computer was created (by the IT Tech's at my work) they did not add the Full-Text Search feature to the installation. I ...
2
votes
0answers
465 views

SQL fulltext accent insensitive

I am using SQL Server fulltext containstable and the column which is indexed has collation Czech_CS_AS, so why when I have word "byt" it returns records with word "být" too. I thought that the ...
2
votes
1answer
129 views

MySQL full text search result problem

I have this query that does not return any results: SELECT MATCH (e.firstname, e.lastname, e.tc_identity) AGAINST ('Baha') AS Score , e.* FROM employees AS e WHERE MATCH (e.firstname, ...
0
votes
1answer
58 views

Searching through lots of applications

Google search has instant search feature. While you are typing, it finds the pages. Apple.com search box. StackExchange ask question part finds similar questions while you are typing question title. ...
6
votes
1answer
129 views

Can I get the union of the a Postgres fulltext index?

I have a fulltext index on a table. Is it possible to retrieve the set of terms used in the index (gist or gin)? With weights if possible? To clarify: If I have the following table: create table ...