freetext

FREETEXT queries in SQL Server 2008 not phrase matching

由 巧了我就是萌 提交于 2021-01-23 01:55:17
问题 I have a full text indexed table in SQL Server 2008 that I am trying to query for an exact phrase match using FULLTEXT. I don't believe using CONTAINS or LIKE is appropriate for this, because in other cases the query might not be exact (user doesn't surround phrase in double quotes) and in general I want to flexibility of FREETEXT. According to the documentation[MSDN] for FREETEXT: If freetext_string is enclosed in double quotation marks, a phrase match is instead performed; stemming and

FREETEXT queries in SQL Server 2008 not phrase matching

由 拜拜、爱过 提交于 2021-01-23 01:55:11
问题 I have a full text indexed table in SQL Server 2008 that I am trying to query for an exact phrase match using FULLTEXT. I don't believe using CONTAINS or LIKE is appropriate for this, because in other cases the query might not be exact (user doesn't surround phrase in double quotes) and in general I want to flexibility of FREETEXT. According to the documentation[MSDN] for FREETEXT: If freetext_string is enclosed in double quotation marks, a phrase match is instead performed; stemming and

FREETEXT queries in SQL Server 2008 not phrase matching

由 白昼怎懂夜的黑 提交于 2021-01-23 01:53:31
问题 I have a full text indexed table in SQL Server 2008 that I am trying to query for an exact phrase match using FULLTEXT. I don't believe using CONTAINS or LIKE is appropriate for this, because in other cases the query might not be exact (user doesn't surround phrase in double quotes) and in general I want to flexibility of FREETEXT. According to the documentation[MSDN] for FREETEXT: If freetext_string is enclosed in double quotation marks, a phrase match is instead performed; stemming and

Optimizing an SQL search using a column for keywords and a variable as the text to be searched

由 醉酒当歌 提交于 2019-12-25 14:04:23
问题 Here's my quandary. I have a variable that contains a paragraph of text, and I have a column full of keywords. I want to search each of the keywords contained in the column against the entirety of the text contained within my variable. The only way that I know how to do this is to select each row of the column one at a time, and then use the LIKE operator with wildcards on each side to see if the keyword from the column is found anywhere in the text within the variable. Every way that I try

Optimizing an SQL search using a column for keywords and a variable as the text to be searched

由 吃可爱长大的小学妹 提交于 2019-12-25 14:02:52
问题 Here's my quandary. I have a variable that contains a paragraph of text, and I have a column full of keywords. I want to search each of the keywords contained in the column against the entirety of the text contained within my variable. The only way that I know how to do this is to select each row of the column one at a time, and then use the LIKE operator with wildcards on each side to see if the keyword from the column is found anywhere in the text within the variable. Every way that I try

FreeText COUNT query on multiple tables is super slow

由 巧了我就是萌 提交于 2019-12-13 15:36:52
问题 I have two tables: **Product** ID Name SKU **Brand** ID Name Product table has about 120K records Brand table has 30K records I need to find count of all the products with name and brand matching a specific keyword. I use freetext 'contains' like this: SELECT count(*) FROM Product inner join Brand on Product.BrandID = Brand.ID WHERE (contains(Product.Name, 'pants') or contains(Brand.Name, 'pants')) This query takes about 17 secs. I rebuilt the FreeText index before running this query. If I

What is good variable type for full text search in SQL Server

由 做~自己de王妃 提交于 2019-12-11 13:54:31
问题 I am declaring a new stored procedure in MS SQL Server for implementing Full Text Search and my query is some thing like this: Select * from table WHERE FREETEXT((col1, col2), @Search_Statement) The question has exactly written bellow: What is the proper data type for @Search_Statement variable to support most of searches and also have the best performance? (I know that if I make @Search_Statement variable long it supports more search queries but executing queries with longer @Search

Slow SQL Query due to inner and left join?

由 让人想犯罪 __ 提交于 2019-12-07 06:43:11
问题 Can anyone explain this behavior or how to get around it? If you execute this query: select * from TblA left join freetexttable ( TblB, *, 'query' ) on TblA.ID = [Key] inner join DifferentDbCatalog.dbo.TblC on TblA.ID = TblC.TblAID It will be very very very slow. If you change that query to use two inner joins instead of a left join, it will be very fast. If you change it to use two left joins instead of an inner join, it will be very fast. You can observe this same behavior if you use a sql

Slow SQL Query due to inner and left join?

由 |▌冷眼眸甩不掉的悲伤 提交于 2019-12-05 09:31:52
Can anyone explain this behavior or how to get around it? If you execute this query: select * from TblA left join freetexttable ( TblB, *, 'query' ) on TblA.ID = [Key] inner join DifferentDbCatalog.dbo.TblC on TblA.ID = TblC.TblAID It will be very very very slow. If you change that query to use two inner joins instead of a left join, it will be very fast. If you change it to use two left joins instead of an inner join, it will be very fast. You can observe this same behavior if you use a sql table variable instead of the freetexttable as well. The performance problem arises any time you have a

Why or How does FREETEXTTABLE give a rank value higher than others

由 醉酒当歌 提交于 2019-12-02 10:27:19
问题 There is a store procedure that uses FREETEXTTABLE twice on two tables and then merges the results and returns the top 50. The problem is if I do a search on "Women of Brewster", the results returns "Confession of an ex doofus motha" with a rank of 143 from table A and second "Women of Brewster Place" with a rank of 102 from table B. Is this because of the count? (Table A return results total is 2399. Table B return results total is 3445.) 回答1: The short answer: Freetext ranking is based on
订阅 freetext