Full Text Indexes: They Seems To Be Always Empty
Dec 20, 1998
I've created a test database with a test table containing just a primary key and a text column. I entered a few records in the table. Then, I built a full text index on the database, specifying my text column. I then launched a full population of the index. The server seems to work, which is confirmed by the info in the property window of the index. But when it has finished working, the index seems empty. My queries return no error, but they also return no data.
Does anyone know what I forgot to do??
Thanks in advance.
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Jun 18, 2007
Hi,
I'm not sure this is the right place for this thread but here goes.
I am trying to setup a full text catalog on one table in my database. Although the catalog is created fine and no erros are reported when creating or populating the catalog. It seems to be empty as its size is only 1Mb and my query:
select top 10* from kmuser.tbl_webpages
where contains (WebPageHTML_FT, '"aruba"'
returns no rows, while:
select * from kmuser.tbl_webpages
where webpagehtml_ft like '%aruba%'
returns 6 rows.
I have read several articles on the subject and have followed them to a T. I've deleted it and recreated so many times now both through Enterprise manager and through query analyser using the stored procedure sp_fulltext_catalog.
I've checked that full text catalog is enabled using:
select DATABASEPROPERTY(DB_NAME(), N'IsFullTextEnabled')
I am really stuck. Does anyone have any ideas?
Many thanks
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Jun 18, 2007
Hi,
I am trying to setup a full text catalog on one table in my database. Although the catalog is created fine and no erros are reported when creating or populating the catalog. It seems to be empty as its size is only 1Mb and my query:
select top 10* from kmuser.tbl_webpages
where contains (WebPageHTML_FT, '"aruba"'
returns no rows, while:
select * from kmuser.tbl_webpages
where webpagehtml_ft like '%aruba%'
returns 6 rows.
I have read several articles on the subject and have followed them to a T. I've deleted it and recreated so many times now both through Enterprise manager and through query analyser using the stored procedure sp_fulltext_catalog.
I've checked that full text catalog is enabled using:
select DATABASEPROPERTY(DB_NAME(), N'IsFullTextEnabled')
I am really stuck. Does anyone have any ideas? Btw I am using SQL Server 2000 still
Many thanks
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Dec 27, 2007
Im reading this article http://www.sqlservercentral.com/articles/Administration/2987/ as im about to take databases from SQL 2000 to SQL 2005.
1. We will backup and restore all databases.
2. Set Mode to 90
3. Update Statictics DBCC UPDATEUSAGE (Databasename)
How do i see if i have full text indexes on database.
Any other steps missed?
Thanks
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Sep 11, 2006
I want my users to input a query, say "milk cheese or sprite" but I am unsure of how I need to parse it out and what special considerations I need to make for it... Does anyone know of any prewritten packages that will format the query correctly before i send it off to my stored procedure? or should i just not worry about it at all and send the text straight to the SP
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Sep 14, 2006
Aight, so I added a full text catalog and a full text index for one specific column and table in my database.Now the issue is, whenever I rebuild it, it locks the full text index forever, making it unsuable. Now, there are only 30,000 records i need to search, so it isn't like there is this massive amount of data. What am I doing wrong to where it is locking the index and disallowing me to use the stored procedure that does the searching?
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Aug 17, 2007
Hi All,
i am using full text search in stored procedure for my web application search-engine.
how do i refresh my fulltext indexes which i created using unique indexes?
as i can see two options tart full population and Start Incremental population in full-text index on right click of table.
on click of anyone its showing successful.
can anyone please let me know what is the standard way to refresh full text indexes periodically in terms of best performance?? i found, when i run query first time with contains keyword , it takes much time.
what enterprise settings required to increase performance??
Thanks in advance.
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Nov 15, 2005
I have made a full text catalog for my article table, and enabled "change tracking" and "update in background", this works just the way its supposed to work, a little delay before I can search in the entered text, but thats not a problem.
The Problem is when I restart the server, then it forgets the things it has indexed in the background, and it doesnt seem to enable the "update in background"-feature, before I manually starts population the first time.
How can I set it to start population on server startup, and remember the things it indexes in the background?
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May 8, 2007
I'm still trying to understand the frequency needed for running incremental updates for full-text catalogs. A consultant requested a full population be run every day at 5:00pm and incrementals be run every 3 minutes. My question for you is if I change the incremental frequency to every hour, wouldn't data changes still be available to the application between incrementals? Isn't the purpose of the incremental simply to update the full-text index so therefor its benefit is in terms of performance, not data availability. The consultant seams to think any updates made between incrementals will not be available to the application until an incremental is run.
Thanks, Dave
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Sep 13, 2006
I have a table that is in a one way transactional publication. I need to create a full-text catalog on this table and have that catalog exist on the subscriber as well. I understand simply creating a FTC for an object in a publication will not cause that FTC to be replicated to the subscribers. I have scripted out the command and tried to use sp_addscriptexec to push it to the subscriber. When I do this, I get the following error:
Last 183 characters in 'sqlcmd' output buffer: Changed database context to 'database'.
Msg 574, Level 16, State 1, Server SQLSERVER, Line 2
CREATE FULLTEXT CATALOG statement cannot be used inside a user transaction.
Also, when this script is run directly from the subscriber, it works fine (but since the subscriber is our production machine, I'd prefer to not have to do it that way). I believe I can reinitialize the publication and have the FTC pushed to the subscriber, but this is not ideal either, since some of our databases can be very large and take a long time to initialize.
Is there a better way to accomplishing this other then connecting directly to the subscriber and running the script or by reinitializing the publication? Thanks for your help!
-mike
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Aug 25, 2000
syslog is full in sql 6.5 - what is best way to empty
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Jul 20, 2005
hi,my sql database log file has been fulled recently ..... becuasethere are 55 millions records in main 3 tables .... so how i can emptylog file ...i don't want to attach new log file or save any pervious log info.....thanks for helping me ... and my company ..Abdul SalamSr. DBA + ProgrammerXebec Groups of Business.
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Sep 7, 2007
Hi, i'm trying to do a full text search on my site to add a weighting score to my results. I have the following database structure:
Documents: - DocumentID (int, PK) - Title (varchar) - Content (text) - CategoryID (int, FK)
Categories: - CategoryID (int, PK) - CategoryName (varchar)
I need to create a full text index which searches the Title, Content and CategoryName fields. I figured since i needed to search the CategoryName field i would create an indexed view. I tried to execute the following query:
CREATE VIEW vw_DocumentsWITH SCHEMABINDING ASSELECT dbo.Documents.DocumentID, dbo.Documents.Title, dbo.Documents.[Content], dbo.Documents.CategoryID, dbo.Categories.CategoryNameFROM dbo.Categories INNER JOIN dbo.Documents ON dbo.Categories.CategoryID = dbo.Documents.CategoryID
GOCREATE UNIQUE CLUSTERED INDEX vw_DocumentsIndexON vw_Documents(DocumentID)
But this gave me the error:
Cannot create index on view 'dbname.dbo.vw_Documents'. It contains text, ntext, image or xml columns.
I tried converting the Content to a varchar(max) within my view but it still didn't like.
Appreciate if someone can tell me how this can be done as surely what i'm trying to do is not ground breaking.
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Sep 12, 2007
Hello everyone !
I want to perform Full Text Search with SQL Server 2000. My documents (.doc, .xls, .txt, .pdf) are stored in a SQL Server field which is binary (the type of the column is image).
I would like to know, how you can extract pieces of text from the documents.
Example:
I have a ASPX page with codebehind in C# making the search in a table in SQL server that is full text indexed.
I make a search looking for the word "peace", than SQL server will take care about the search and return it to me the rows that match with that. But also I'd like to extract the 50 characters before and after where sql server found the word "peace" to show in the result page.
Does anyone has any idea how to work around it ?
Best regards.
Yannick
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Apr 21, 2015
I have a column in a table that has a type TEXT,when I pull the length of a row it returns 88222 but when I select from that column it dows not show all the text in the result set.
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Mar 31, 2004
I am using the following plumbing code to search a database column for a keyword. I can't use full-test indexing so I came up w/ this work around. But It has many flaws so I'm looking for a better way. Thx in advance.
'Open sql connection
SqlConnection1.Open()
Dim datareader2 As SqlClient.SqlDataReader
datareader2 = cmdFindRowsWithKeyword.ExecuteReader
Dim strMsg As String
Dim intRowToFlag As Integer
Dim strRowsToGet As String
Dim strKeywordAsTyped As String
Dim strKeywordAllCaps As String
Dim strKeywordAllLower As String
Dim strKeywordFirstLetterCap As String
Dim FirstLetter As String
While datareader2.Read
intRowToFlag = datareader2(0).ToString
strMsg = datareader2(1).ToString
'Assign keyword as typed to variable
strKeywordAsTyped = txtSearchFor.Text
'Assign keyword as typed to variable then convert it to all uppercase
strKeywordAllCaps = txtSearchFor.Text
strKeywordAllCaps = strKeywordAllCaps.ToUpper
'Assign keyword as typed to variable then convert it to all lowercase
strKeywordAllLower = txtSearchFor.Text
strKeywordAllLower = strKeywordAllLower.ToLower
'Assign keyword as typed to variable then convert it so just the first letter is in uppercase
strKeywordFirstLetterCap = txtSearchFor.Text
FirstLetter = strKeywordFirstLetterCap.Chars(0)
FirstLetter = FirstLetter.ToUpper
strKeywordFirstLetterCap = strKeywordFirstLetterCap.Remove(0, 1)
strKeywordFirstLetterCap = strKeywordFirstLetterCap.Insert(0, FirstLetter)
'If the string contains the keyword as typed in all caps all lowercase or w/ the 1st letter in caps then flag that row.
If strMsg.IndexOf(strKeywordAsTyped) <> -1 Or strMsg.IndexOf(strKeywordAllCaps) <> -1 Or strMsg.IndexOf(strKeywordAllLower) <> -1 Or strMsg.IndexOf(strKeywordFirstLetterCap) <> -1 Then
cmdFlagRowsWithKeyword.Parameters("@recid").Value = intRowToFlag
SqlConnection2.Open()
Dim datareader3 As SqlClient.SqlDataReader
datareader3 = cmdFlagRowsWithKeyword.ExecuteReader
datareader3.Close()
SqlConnection2.Close()
End If
End While
datareader2.Close()
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Mar 9, 2006
I'm performing an insert, and I want to insert specified text, if the field is empty. I thought it should be a simple matter of a case expression, which I have below, but it's not working:
CASE PropertyBuilding when '' then [PropertyStreetAddress] else [PropertyBuilding]end
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Nov 28, 2007
My team is working on a problem. Please help us solve it.
I am looping through a set of files and on each loop i process the file and move it to another folder. I am using File System task and variables with destination path and name, to do so . It works fine.
Requirement :
However now I want that after processing the file, instead of moving it, I create an empty text file at the destination containing the file name. I want to do this with minimum effort. Can anyone suggest me the way.
thanks
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Jul 20, 2005
I'm trying to do a simple update like I have done countless timesbefore.However, when I update the empty fields in this table it places a -1into the field rather than the enterred value.It is indexed with duplicates allowed. It says that zero lenght isset to yes.What can I do about this?if Request.form("ouserid") <> "" Thenvar2 = " and userid = '" & Request.form("ouserid") & "' "Elsevar2 = " and userid is null "End ifif Request.form("orepid") <> "" Thenvar1 = " repid = '" & Request.form("orepid") & "'"Elsevar1 = " repid is null "End if"Update [Website Settings] set userid = '" & REquest.form("userid") &"' and repid = '" & Request.form("repid") & "' where " & var1 & var2& var3Thanks!
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Jul 20, 2005
Hi,I run a stored procedure with a parameter given from a text box in an accessadp. If the text box is empty then what is passed to the parameter? I can'tseem to get it to flag up as either null, or 0 length.Any tips?Cheers,Chris
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Mar 3, 2008
Hi all I am having some issues in selecting items from my database where the record is NOT NULL. I have the code below however although some fields do contain soem data in it, others are blank which I believe are empty spaces. How do I do a SELECT command which ignores empty spaces and NULLS?
Code Snippet
SELECT CustomSearch FROM OfficesTable WHERE CustomSearch IS NOT NULL
Thanks, Onam.
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Oct 21, 2007
Can you not add a text column to a full text index?? If I change it to a nvarchar it works fine but if I change it to a text column it wont index. Anyone know how to fix this?
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Mar 29, 2007
I have a text column which my users use extensively for like queries. The table has 1.3 Millon rows and has seen som eperformance issue ie it does a table scan and blocks other processes.
I was wondering if anyone how to handle this coulmn can I create indexes or better can text column support full text indexing.
Anyone who can shed any ideas as what might be the best possible solution will be great
AdAnup
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Feb 19, 2007
Hi,
I'm pretty new to ASP.NET and VB, but I'm working on a project which is essentially a staff directory. Using VS 2005, I've setup a basic grid view which connects to an object which connects via a data layer to a SQL database with Name, Surname, Email, Extension No and Department fields.
I have it working so that if a user enters a name and surname for example, it will return all records with either the name matching or surname matching input parameters. What I want to do is to set up a SQL query which is:
SELECT * FROM records WHERE (Name LIKE @Name) AND (Surname LIKE @Surname) AND (Email LIKE @Email) AND (Dept LIKE @Dept)
so that if the user only enters the first name and surname for example as above, it ONLY returns the record which matches the first name and surname and not all records with either/or. One way I've thought of to do this is to convert the empty fields to "Nothing" so that it fullfils the search parameter for the empty fields. If someone can explain how to do this, or can suggest a better way, I'd be grateful.
Cheers,
Tom
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Oct 27, 2004
i have a trigger on a table right now... when fields are inserted, theres a text field inserted and i want to check if that text field = '' (the empty string, not NULL) and if it doesn't equal that, then perform some row updates on other tables, but if it is empty, to not do anything else in the trigger... right now i have this:
Code:
IF ((SELECT Note FROM XATPoDetail WHERE ReqNbr = (SELECT ReqNbr FROM Inserted)) LIKE(''))
Note is the text field, XATPoDetail is the table where its being inserted into. I had to do the select FROM the table because it wouldn't let me select a text data type from the "Inserted" virtual table
but it tells me me "Error 279: The text, ntext, and image data types are invalid in this subquery or aggregate expression"
thanks
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Oct 27, 2004
i have a trigger on a table right now... when fields are inserted, theres a text field inserted and i want to check if that text field = '' (the empty string, not NULL) and if it doesn't equal that, then perform some row updates on other tables, but if it is empty, to not do anything else in the trigger... right now i have this:
IF ((SELECT Note FROM XATPoDetail WHERE ReqNbr = (SELECT ReqNbr FROM Inserted)) LIKE(''))
Note is the text field, XATPoDetail is the table where its being inserted into. I had to do the select FROM the table because it wouldn't let me select a text data type from the "Inserted" virtual table
but it tells me me "Error 279: The text, ntext, and image data types are invalid in this subquery or aggregate expression"
thanks
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Jun 16, 2015
We have created SSIS package to load a text file into a table. Source system shares 10 text files and recently they stopped generating data for one of the text file (comping empty), after few months they will start generating the data for the empty file batch processing.
The Issue here is Data Flow task is getting failed while loading empty text file into table. How to handle this empty file load issue in SSIS package.
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Oct 15, 2007
i am tring to create the full text catalog I am following the direction at http://technet.microsoft.com/en-us/library/ms189520.aspx but on the last command it gives me an error
'PK_problem' is not a valid index to enforce a full-text search key. A full-text search key must be a unique, non-nullable, single-column index which is not offline, is not defined on a non-deterministic or imprecise nonpersisted computed column, and has maximum size of 900 bytes. Choose another index for the full-text key.
also I tried the wizard in the managment express but it does not have a option when I right click on the table for Full-Text Index
what am I doing wrong???
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Oct 18, 2007
I created a new catalog and a new index but when I start a search the grid come back empty I didnt insert any data into the table until after I created the catalog and index I dont think it has indexed the data yet. How do I force this or make it???? I have another example where I inserted data and then created the catalog and index and did a search and the proper rows came back but then I inserted new data and searched on a keyword that should have brought it up but nothing showed?
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Jun 24, 2006
Hi,
I have a SQL statement that works great when I don't use a SQL Parameter, but when I do it just takes the @Searchfor as literal text "@SearchFor" instead of the string @SearchFor represents. Any ideas? Below is the two versions of the sql statements
sqlComm.Parameters.Add(new SqlParameter("@SearchFor", strSearchFor));
sqlComm.CommandText = "SELECT RANK, intID, chTitle, chDescription "
"FROM FREETEXTTABLE( tblItems, *, 'ISABOUT("+ strSearchFor +" WEIGHT(1.0))') a " +
"JOIN tblItems b on a.[KEY] = b.intID ORDER BY RANK DESC; ";
sqlComm.Parameters.Add(new SqlParameter("@SearchFor", strSearchFor));
sqlComm.CommandText = "SELECT RANK, intID, chTitle, chDescription " +
"FROM FREETEXTTABLE( tblItems, *, 'ISABOUT(@SearchFor WEIGHT(1.0))') a " +
"JOIN tblItems b on a.[KEY] = b.intID ORDER BY RANK DESC; ";
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Jul 16, 2006
I have a Full-text search that is being performed on a variable (@Description) see part of querie below:
WHERE (CONTAINS([Description], @Description)
This search only seems to work when a text fo 3 or greater characters is used Ball, but not for "an" or "a". it also does not search on part of a word i.e. "Gard" of "Garden"
Two things:
1) How do I perform the CONTAINS search for part of a word or "a".
2) How do I perform a search that returns all values, when I leave the input feild blank it returns no records.
Many thanks in advance
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Feb 15, 2007
hello
in Full Text Search
Are there method when add record in Field for properties "Full Text Index " , update catalogs ?
thanks
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Apr 23, 2007
Hi I have a full text index on my product table. When I do a search for Record, it returns all values for Record and Records.Now If I do a search with a spelling mistake say Recod . it doen't return anything.How can I get the full text to return my query even if there is a spelling mistake ? Thanks My query:SELECT * From Product WHERE FREETEXT (description, @SearchString)
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