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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5
votes
1answer
315 views

Full-text search with german umlauts

I created a table using German (Germany) as the Full-text language, in the settings I tried setting accent sensitivity to both sensitive and insensitive. I, however, get following odd results. The ...
5
votes
1answer
176 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 ...
3
votes
1answer
417 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 ...
1
vote
1answer
202 views

MongoDB text index and text search

I have a mongodb collection db.articles,it has 2 keys ,"title" and "abstract".I want to do text search on these two keys.For example, the search text is "physics",and I want all the documents whose ...
1
vote
1answer
214 views

How to repair all indexes in a MySQL database?

My database got corrupted, and now the php app is throwing this error: Invalid query: Can't find FULLTEXT index matching the column list The error is not very useful, since it doesn't say what ...
1
vote
1answer
1k views

Fixing wildcard expansion resulting in too many terms error (DRG-51030)

How can I resolve the wildcard_maxterm problem in Oracle 10g? My index creation syntax is: begin ctx_ddl.drop_preference('SUBSTRING_PREF'); end; / begin ...
1
vote
1answer
644 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? ...
0
votes
1answer
49 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 ...
3
votes
0answers
150 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 ...
3
votes
0answers
133 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. ...
2
votes
0answers
21 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 ...
2
votes
0answers
93 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 ...
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 ( ...
2
votes
0answers
505 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 ...
1
vote
0answers
23 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 ...
1
vote
0answers
40 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 ...
1
vote
0answers
56 views

postgres - generating documents for full text search taking forever and eating up disk space

We use PostgreSQL and Django-Haystack with Elasticsearch for search on our service, and were thinking of switching to Postgres's built in full text search because of various annoyances using a NoSQL ...
1
vote
0answers
104 views

MySQL fulltext selection performance

I have 1.5M rows in a table. Following is the table create code: CREATE TABLE `jobs` ( `id` INT(8) NOT NULL AUTO_INCREMENT, `job_id` VARCHAR(50) NOT NULL DEFAULT '', `title` VARCHAR(255) ...
1
vote
0answers
47 views

Manual Fulltext index population time in SQL Server 2012

I would like to know if there is a way to see how much time did it take SQL Server 2012 to index all the data in a table? In my example I create the table, create the index and set the population to ...
1
vote
0answers
79 views

CONTAINS does not work with ROW_NUMBER

I have the following query: SELECT RowNumber = ROW_NUMBER() OVER (ORDER BY ID DESC) , ID , Name FROM Clients WHERE CONTAINS (Name, 'Jose') My client table has a single ...
1
vote
0answers
55 views

SQL Server Full-Text Index with Stoplist

I've searched this site and the internet in general and can't find any information which answers my question, so I thought I'd post it here. I have Full Text search operating on a database in SQL ...
1
vote
0answers
198 views

Fulltext search returning too many rows

Server: MySQL 5.1.66-0+squeeze1 My problem: I have two databases with the same tables. One is for the testing environment and one for production. When I perform a MATCH AGAINST on the prodution ...
1
vote
0answers
140 views

Mysql key_buffer_size already 16GB but some fulltext searches are still slow

I have a query w/ full text search which takes 5 - 10 secs. key_buffer_size is already 16GB. Table has 15 million records and has a compound fulltext index on fields: categories and company. Table ...
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 ...
0
votes
0answers
16 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 ...
0
votes
0answers
18 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 ...
0
votes
0answers
30 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 ...
0
votes
0answers
44 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 ...
0
votes
0answers
26 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 ...
0
votes
0answers
34 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 ...
0
votes
0answers
12 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 ...
0
votes
0answers
28 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 ...
0
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0answers
25 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 ...
0
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0answers
29 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
votes
0answers
20 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) ...
0
votes
0answers
48 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. ...
0
votes
0answers
50 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 ...
0
votes
0answers
79 views

How can I decrease FULLTEXT initialization time?

I'm trying to decrease execution time of the a query. Using SHOW PROFILE, FULLTEXT initialization takes about 0.3, which is too high. Other values are at normal level. How can I decrease FULLTEXT ...
0
votes
0answers
70 views

full text index not being updated

I have a table that has a full text index defined on it. Change tracking is set to 'Automatic' but I can see that 'Table Full-Text Pending Changes' is set to '58429', and recently added rows (for the ...
0
votes
0answers
44 views

Simple full text search on 5000 rows is very slow

I am running this full text search on an indexed view and it is taking 20 seconds to query across 5000 rows and return 0 rows. I believe it has something to with the forward slashes because all other ...
0
votes
0answers
86 views

What is a good database design (schema) for an article search engine application?

I'm trying to make a article search engine application. There are about 1 million articles that will be stored in the DB. I've tried looking around for some similar examples, but I couldn't find any ...
0
votes
0answers
29 views

Searching larger documents

I'm currently developing an application where I want to use MongoDB for the main database. I'm trying to store the emails metadata inside the database. My schema: user_id (integer 32bit) -- index ...
0
votes
0answers
78 views

Strange behavior with context index on matarialized view

We are experiencing a very strange behavior with a materialized view on oracle. Here is the statement that we've used to create the materialized view: CREATE MATERIALIZED VIEW MY_MATERIALIZED_VIEW ...
0
votes
0answers
4 views

Specification for Item Advanced Search API

Does anyone know where I can find the specification for the Item Advanced Search API, that is mentioned here? http://docs.oracle.com/cd/E26401_01/doc.122/e48837/T381848T381419.htm#egoug_advsrchAPI
0
votes
0answers
66 views

Elasticsearch and product characteristics

I have a small question about elasticsearch. Let's say I have a database with products to sell, like an ecommerce. I know that elasticsearch can help me to find the best product with, for instance a ...
0
votes
0answers
220 views

MySQL Pre-Filter Subquery

Good Evening All, I'm trying to pre-filter a table such that the more complex MATCH ... AGAINST query doesn't need to process every row in the DB. I tried obtaining a list of identifiers (query 3) ...
0
votes
0answers
35 views

Bring relevant results based on an input search query - full text search?

The database contains information about businesses : title,name, categories, services, description ... to bring the relevant businesses to the user according to his search query I'm thinking about ...
0
votes
0answers
284 views

fulltext search on multiple tables with different fields

I am trying to make a search page return results from multiple table ordered by the keyword. The problem is the select statement gives a result sorted by the select statement and not by the keyword. ...
0
votes
0answers
144 views

SQL Server full text indexing disabled

I have a SQL Server 2008 R2 server instance where I'm unable to use full text catalogs. It was upgraded from SQL Server 2008. When I go to the database properties of an existing database or try to ...
0
votes
0answers
421 views

What's is WITH QUERY EXPANSION MODE in MySQL Fulltext Search

MATCH (col1,col2,...) AGAINST (expr [search_modifier]) search_modifier: { IN NATURAL LANGUAGE MODE | IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION | IN BOOLEAN MODE | WITH QUERY ...