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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13 views

Slow Full Text When using multiple full text searches

Thank you in advance for your help. I have been going bonkers. We recently made a change to our code by adding an additional contains to the below query. This has had a real negative impact on ...
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0answers
5 views

Making ordinal synonyms for Postgres full text search

I have a Postgres 9.3 database where users are mostly searching for locations by a combination of name and/or address (or fragments of). An example of an address would be "123 8th st". I've been ...
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1answer
27 views

SQL Server Full Text Search Engine is not returning consistent results

I'm working on an application that makes use of the Full Text Search Engine from SQL Server. In order to convert the user input into readable parameters for SQL, i'm using This very useful FTS query ...
0
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1answer
22 views

Oracle Text: query scoring with CTXCAT index?

If a text column is indexed with a CTXSYS.CONTEXT index it can return a score showing how well the text matches the query. create index ix on t(text) indextype is ctxsys.context parameters (''); ...
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3answers
22 views

What is the best way to have full text search where data in database is frequently updated

I am working on an application where database is continuously and periodically gets updated , the frequency of updating of data is daily, weekly, monthly, and yearly based on their type. I want to ...
0
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1answer
24 views

Install Full Text search on existing instance

We have an existing sql server 2012 instance but without full text search. before I add the feature, I want to know if it stops or restart the instance since it is for production. thanks in advance.
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2answers
45 views

What is more efficient: text(765) or varchar(765) to store a freeform searchable description?

EDIT : To paraphrase quesiton - at what point do I switch from varchar to text and back? A little background on the question. Let's say we have sales_orders table and we want to be able to keep a ...
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0answers
34 views

Full text index does not honour deleted words - They are still indexed

I have a full text index defined as 'Automatic' radio button checked on in its Catalog. When I modify a word in the full text indexed column, the new word appears in the sys.dm_fts_index_keywords but ...
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1answer
17 views

How to set weights on a Postgres TSVECTOR column?

Currently, I'm using Postgres 9.3.5 for full-text search but I don't want to set weight or convert to tsvector on the fly (a lot of articles suggest that, and that just seems like a terrible idea to ...
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1answer
13 views

How to create a citation/quote from a Postgres text field?

I have a database with a lot of text and I want to find the surrounding text for a word that I am searching for i.e. If I search this text for "text" I should get something like (and more consistent ...
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1answer
46 views

Ranking not correct in sql server 2012 full text search

I am having a table like below: CREATE TABLE [dbo].[test_table]( [id] [int] IDENTITY(1,1) NOT NULL, [name] [varchar](50) NULL, [area] [varchar](50) NULL, [designation] [varchar](100) ...
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1answer
38 views

SQL Server Specific term full text search is not working

I'm trying to perform an specific term full-text search in SQL Server. It looks like the way to do it is by wrapping the keywords in double quotes, which I'm doing in my app: Query = "\"" + ...
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1answer
87 views

SQL Server CONTAINS ignores single quote before asterix [closed]

Let's say I have table NamesTable, which has text index on Name column DECLARE @String2 NVARCHAR(20) = '"SomeName''*"' SELECT * FROM NamesTable WHERE CONTAINS(Name, @String2) What does single quote ...
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2answers
72 views

Mysql might have too many indexes

I am using the php framework Laravel for my application, together with mysql 5.6, in order to have full-text search with innoBD. But I am not sure if I have too many indexes. My application allows ...
4
votes
2answers
142 views

Full text search results in a large amount of time spent in 'FULLTEXT initialization'

I'm currently trying to run some queries against a data dump of Stack Overflow's comments. Here's what the schema looks like: CREATE TABLE `socomments` ( `Id` int(11) NOT NULL, `PostId` int(11) ...
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1answer
35 views

Index that mimics full-text-index

I have a database that is retrieving information quite slowly, I asked a question and was told to use full-text-indexing, this worked, but now we switched over to a .sdf file and Sql Server Compact ...
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0answers
28 views

PostgreSQL query slow when using tsvector and ORDER BY despite having index

Running on a large database (around 1.5G) The following query takes about 70 seconds to run, SELECT x FROM DBText x WHERE x.status = 2 AND x.publishedTime < 4574590406397 AND x.service = ...
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0answers
46 views

Getting wrong results from fulltext search in PostgreSQL

This is the query which I am running. The keyword "exhausted" is present only in one of the rows but I am getting all 3 rows. How to avoid the rows where the keyword is not present? DDL: CREATE ...
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0answers
62 views

Full-Text Index menu option not appearing in SQL Server Management Studio AND error when right clicking a table

I am using SQL Server Management Studio Version 11.0.3128.0 and SQL Server 2014 12.0.2361 Web Edition. I have successfully created a Full Text Catalog following these instructions: Cannot use a ...
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1answer
57 views

Fulltext search not working properly

I have pers table and applied combine fulltext index on (prenom, nom) fields. Below are data in that table. persID prenom nom (pers table) -------------------------------- 116 te te ...
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2answers
110 views

Mysql fulltext index search returning weird result

I have ingredient table. I want all those recipes which have certain ingredients. Below is my table structure. Table(ingredient) - Applied fulltext index on ingredient column. ...
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2answers
61 views

SQL Server: Enable Full-Text Search on model Database

I want to use the Microsoft Data-Tier Application framework and its associated .Net API to manage the schema of several SQL Server databases, including the model database. However, when I try deploy ...
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0answers
29 views

preventing FullTextSearch from using wildcards

I am using FTS in a sql2008 sql server and had a user complain about some searches breaking. after root cause analysis we found only searches like U.S.A. fail because FTS tries to run wildcard matches ...
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0answers
147 views

Error after moving FTData folder

I needed to move my system data files from one logical drive to another one, and I successfully did this on SQL Server 2008 R2 for everything but my Full Text data files. When I start up the SQL ...
1
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1answer
119 views

Removing some English token words (such as “are” or “or” etc.) from the system stoplist of full text search?

One of our table has full text catalog on it. It contains some data in a language other than English which makes some words such as "are", "or" useful. There is no stop list defined but these words ...
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0answers
52 views

Full text catalog missing a keyword

We have a full text catalog on one of our databases but one keyword does not work. e.g: select * from table where name = 'jon' -- result set returns as expected select * from table where ...
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1answer
82 views

HTML column in a full text index?

Using sql server management studio, I want to create a full text index where a certain field is treated as html, tags should be ignored and umlaut-codes should be taken into account. How can I do ...
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1answer
86 views

“Wrong affix file formate for flag” while loading dictionaries from LibreOffice in PostgreSQL 9.3

Trying to get good TEXT SEARCH results out of PostgreSQL in English, German and Dutch made that I downloaded proofing tools of LibreOffice (tried of version 4.3 and 3.3) and iSpell. I placed the files ...
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0answers
70 views

Where to download (Dutch) Postgresql Fulltext Search dictionaries

PostgreSQL enables me to configure what dictionaries I would like to use when preforming a fulltext search. The following types of dictionaries can be set: stop ispell simple snowball synonym ...
2
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2answers
82 views

Fuzzy Matching with Postgresql 9.3

Right now I am using ts_rank (with ts_vector and ts_query) to search strings for relevance. While this is doing a great job for me so far. I was hoping to work in a bit of fuzzieness into the ...
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0answers
65 views

Trying to search using MATCH and AGAINST keyword

// Working $query="SELECT * FROM vehicle WHERE MATCH (body_type) AGAINST ('$selected_btype' IN BOOLEAN MODE) OR MATCH(location) AGAINST ('$selected_location' IN BOOLEAN MODE)"; //Not working ...
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0answers
47 views

Skipping stopwords (and indexing small words) for one fulltext index only, in MySQL

I have a rather odd situation where it might be preferable to not use stopwords and to have a value of ft_min_word_len equal to 1. The index in question would be dealing with only a few words per row ...
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2answers
240 views

SQL Server 2012: Full Text Catalog taking up all the disk space

We have created full text catalog and index for a pretty large table. The column on which the index is being created has a datatype of varchar(max). The problem started as soon as we started ...
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0answers
98 views

Unsupported languages in Postgres Full text search

My web application supports 3 languages, English, Traditional Chinese, Vietnamese. I understand that Traditional Chinese and Vietnamese is not supported in Postgres' Full Text Search. If I were to go ...
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0answers
59 views

innodb fulltext Table handler out of memory

I am running mariadb 10 and have a large innodb table with a fulltext index. When searching I am regularly getting this error ERROR 128 (HY000): Table handler out of memory Is there some way I ...
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0answers
18 views

period causes results to not display

I have, as an example, the following in a mysql database table: (28,'man vs. wild','discovery',1) Info on my db: mysql 5.5.37 InnoDB utf8_unicode_ci fulltext When I do a search such as this, I ...
3
votes
1answer
44 views

is it possible to do a reverse pattern search in a database?

I have 2 database tables with rows containing strings. If I combine two strings, one from each table, as input I need to be able to find where the parts of the strings are located in each table. For ...
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0answers
35 views

Row level security and full text searching

How do you approach the problem of resolving access permissions when matching tens of thousands of users with tens of millions of documents containing unstructured data? How do you even build and ...
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0answers
33 views

SQL Server 2012 FTS and weird behavior with numbers

I stumbled on this weird behavior in SQL Server's Full text search. First run the following SQL-code in a database: CREATE TABLE test( id int IDENTITY NOT NULL, value VARCHAR(255), CONSTRAINT ...
3
votes
2answers
157 views

Slow fulltext search due to wildly innacurate row estimates

Fulltext queries against this database (storing RT tickets) seem to be taking a very long time to execute. The attachments table (containing the fulltext data) is about 15GB. The database schema is ...
1
vote
1answer
133 views

MySQL FullText search on string shorter than 3 chars returns no rows

I have a MySQL table with some addresses in it. Let's say I have the following 2 rows: "10 Fake Street" "101 Fake Street" I'm trying to use fulltext search with MATCH() AGAINST(). I have set ...
2
votes
1answer
54 views

Which database technologies to consider for a data search application?

I'm designing an application that only does read queries to some database tables (it's a kind of search application); the queried data is updated at night by the system (so speed is less critical, ...
4
votes
1answer
91 views

Combining full-text and scalar index

Let's say we have a database of 12 million names and addresses that need to be searchable using full-text, but each row contains an integer value too, let's say COMPANYID. The table contains around ...
0
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0answers
32 views

Postgresql Full Text Search sequence of strings

What I'm trying to do is that i have a bunch of html documents in which I need to search for certain groups of strings. I did build a ts_vector for all htmls but I seem not be able to find out if it ...
0
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0answers
38 views

MySql full text query with truncate sign strange behaviour

I'm implementing a search mechanism on a customer site. I need to find products with "full-text" matching description. However, I noticed a strange behavior. Taking for example two records: (A) ...
2
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0answers
28 views

How do I get information about how an index set was created in Oracle?

A long time ago I created a CTXCAT index with an INDEX SET using ctx_ddl.create_index_set and ctx_ddl.add_index but forgot to save the DDL anywhere and now I need to recreate this index on another ...
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0answers
50 views

Database that supports fast prefix matching

I have a list of potentially millions of url's, e.g. twitter.com/user1, facebook.com/user2. For every incoming other url (10K/s) I want to find the longest prefix match among all the stored url's. ...
1
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1answer
379 views

Multi-Column Full Text Search Going Very Slow

I have a full text index on a table articles for the columns content, title and keywords When doing the search on each of the columns, like so select count(1) from articles where ...
0
votes
1answer
90 views

SQL Server 2008 R2 Express Silent Install - FullText Service Not working

I'm trying to build an installer for an app that installs SQL Server 2008 R2 ADV with fulltext already enabled, but couldn't sort it out. It must support Windows XP, so that's the first OS I'm ...
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0answers
90 views

SQL SERVER 2012 Express - Can't change Thesaurus Location

I have a requirement for an application to change the location where SQL SERVER looks for the Global Thesaurus file. According to the official documentation: "You can change the location and names ...