Getting Estimated Total Hits Of Fulltextsearch
Apr 20, 2006
Hello,
i am making a Fulltextsearch on MS SQL Server 2005 (indexed, with "Contains").
Because of performance reasons i am only showing the first 200 rows mssql finds ("select top 200...:").
Is there any possibility to get the estimated totalnumber of all rows? i have heard something that is possible to get this in mssql-server. The server then estimates how many rows with that searchword could be in the whole database. google i.e. makes the same thing....
is that true? what do i have to do to get this?
greetings and thx
cpt.oneeye
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Feb 26, 2008
Hello, I am currently running Visual Studio 2005, and I also have SQL Server 2005 Express Edition Advance series where I have FULLTEXTSEARCH working. I have just bought a new computer and I will like to install Visual Studio 2008 on it, what do I need to do in order for me to migrate my database to my new computer? Do I need to install a different SQL Server? Thanks Louis
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Jun 19, 2006
I've enabled the Fulltextsearch in some Tables of my DB.
In SQL Server Management Studio the querys are all have results and running free of errors.
If i will use the same querys in VWD, they're running in a SqlException. Translated from german:
The Fulltextsearch cant be used in the Userinstance.
But a SelectCommand from the WebSite to the IndexState:
SELECT crawl_end_date FROM sys.fulltext_indexes WHERE fulltext_catalog_id = 10
works fine.
What i'm wrong?
The ConnectionString i'm using:
="Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|Support.mdf;Integrated Security=True;User Instance=True" providerName="System.Data.SqlClient"
The FulltextService (msftesql.exe) is running under a UserAccount.
Thanx
Klaus
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Mar 1, 2008
Hi all,
back in the day we switched to SQLServer2005, we had trouble with fulltextsearch stored procedures, it wouldn't work because in 2005, calling those stored procedure (like sp_fulltext_table) would automatically create a transaction.
The error is "procedure cannot be executed within a transaction"
So the fix was to call execute those stored procedures in autocommit mode.
It worked fine until switch from jDriver to jtds, while it was OK with jDriver, jtds is complaining that "commit() should not be called in autocommit mode"
To summarize :
if we don't set autocommit, the execution fails with the follwoing error
Got exception=[java.sql.SQLException: The procedure 'sys.sp_fulltext_table' cannot be executed within a transaction.] for sql=[sp_fulltext_table 'AttrsBlobTab', 'create', 'AttrsBlobTab_cat', 'ARIBAPK334']
if we do set autocommit, execution fails with an other error
Got exception=[java.sql.SQLException: commit() should not be called while in auto-commit mode.] for sql=[sp_fulltext_table 'AttrsBlobTab', 'create', 'AttrsBlobTab_cat', 'ARIBAPK204']
it seems like we can get around this with replacing stored procedures calls by DDL statements but it's really cumbersome in my case, I was wondering if there was a way to avoid this.
Any idea ?
Thanks,
Farid
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Apr 29, 2005
Hello!
is it possible to have the count(*) to display 0 when there is no matching hits for that n_id?
my query looks like this but only displays the n_id and it's respective count(*) when count(*) is more than 0...
select n_id, count(*) from tblTable
where nSomething > nSomethingElse AND nSomething IS NOT NULL
group by n_id
any idaes?
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Aug 24, 2006
This routine works in most cases, but fails when a bad date is enteredsuch as:19910631 -- there is no June 31st.Instead of ignoring the bad date the entire DTS job fails. Obviouslythis is something that should be validated at data entry, butunfortunately the only control I have is when appending to the tablewith these data quirks. Any suggestions appreciated!!!'************************************************* *********************' Visual Basic Transformation Script' Copy each source column to the' destination column'************************************************* ***********************Function Main()'DTSDestination("Col002") = DTSSource("Col002")if DTSSource("Col002") = "99999999" or DTSSource("Col002") =Null thenMain = DTSTransforStat_SkipRowelseDTSDestination("Col002") = mid(DTSSource("Col002"),1,4) & "/"&mid(DTSSource("Col002"),5,2) & "/" & mid(DTSSource("Col002"),7,2)End ifMain = DTSTransformStat_OKEnd FunctionRBollinger
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Sep 6, 2007
Hi.
This is my first attempt at a using stored procedures and I'm a bit confused.
I'm trying to follow as many best practices as I can to improve speed, security and scalability. However, I can't find a solution to what I think should be a simple problem.
I have a search page where users enter the criteria of properties they are interested in (bedrooms, price etc...). That takes them to a results page where the properties are displayed.
The problem is that I want the amount of times each property has been shown on the results page to be tracked so the property owner gets statistics.
The property details are all held in a single table along with the amount of times each property has be shown:
Table Name: zk_Property_USA
ID
INT
User_ID
INT
Property_Type
TINYINT
Market_Status
TINYINT
Price
INT
Bedrooms
TINYINT
Address_State
VARCHAR
Address_Location
VARCHAR
Property_Description
VARCHAR
Searched
INT
0
Contacted
INT
0
I'm trying to find a way to SELECT all the property details to be returned to my results page and UPDATE the "Searched" field by 1 without re-scanning the table for the UPDATE.
Is there a way to update "Searched" at the time when the record is chosen to be a result? I am using SQL Server 2005 and Visual Basic ASP.NET 2.0.
Many Thanks
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Nov 8, 2007
In any asp.net application, whats the simplest way to monitor how many times a page hits the database (opens and closes a connection)?
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Sep 27, 2007
In a Lookup component I've defined a SQL query which returns a sorted resultset. For each Lookup component input row I want to have a single output row. Problem is that for each input row there is possibility of multiple matches in SQL query resultset. From all of the possible multiple hits I want only the first one to be returned, and if no match is found then no output row. How to implement this?
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Jan 22, 2008
Using MSSQL (pre 2005):
I have a Link table:
int id (primary key/identity)
varchar(50) linkName
varchar(255) linkHref
//some other stuff
and my Hits table:
int id (primary key/identity)
int linkId (foreign key to Link)
datetime dateCreated
//some other stuff
Hits gets an insert whenever a link is clicked. (All this works just fine)
I'm trying to create a report that shows each link by its name and href, a counter and the last date each link was visited. What I currently have is an accurate listing for those that have been clicked on, but it does not show anything for links that haven't been clicked on. Any suggestions as to how I can modify the following SQL to return "0" and "never" (or DBNULL) if no entries are found in Hits that have the same id? Or do I have to do this in a couple queries?
SELECT COUNT(h.id) as counter, MAX(h.dateCreated) as lastVisited,
l.id as id, l.linkName as linkName, l.linkHref as linkHref
FROM Link as l INNER JOIN Hits as h ON l.id=h.moduleId
GROUP BY l.linkName, l.id, l.linkHref
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Apr 1, 2002
I'd like to capture the avg. # of user logins and # db hits per a 5 interval for a weeks time. I'm guessing there are sys tables containing this info. and by using temporary tables and/or creating/modifying SPROCS this info. can be retrieved. If I'm on the right track, a little direction would be very appreciated. If I'm not on track, please assist this rookie dba.
Thank you,
Eoin
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Feb 7, 2008
I am serving ad-units. In each ad-unit I show somewhere between 3 and 10 article headline. I track the headline impressions to get an idea of the headline click through rate. I save the output from the stats process in another table. I am currently evaluating the stats every hour, and then truncating the table every night at midnight. The problem is that I get lots of impressions and the database gets bogged down evaluating the data such as...
SELECT COUNT FROM articleimpressions WHERE articleid = x
But the issue isn't the reporting of the data...so much as it's the capture. I had to add caching on the ad-server because the database couldn't handle the number of inserts.
I thought about parsing the web server log files the next day, but the file sizes seem to be too large, and I can't process them all in one day. (At least not on the hardware that I am using.)
I've thought about splitting log files by hour, but was wondering if there may be a more "native" solution within SQL Server? Maybe a trigger, and/or multi-threaded SP that fires and forgets an insert statement to a linked server. But performance is the key here.
Thoughts?
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Jul 23, 2005
In MSSQL, is there a way to count the number of instances of asubstring within a string, so that I can sort by that?For example:table tst contains one column: tst_dataif tst_data = "the man with the plan"I'd want a function that counts the occurances of "the"count_substring(tst_data,'the') = 2Basically, I'm making a search engine and I'd like to put the mostrelavent hits at the top of the page.
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Dec 19, 2007
hi . would greatly appreciate a clever way to make an internal "counter" on an sql table that contains 6000 articles.(one in each row). these are being accessed from a web page and i would like to know which are the most read ones. so i thought of adding a column that would in some way count each time that the row is being accessed. is there a way for this to be done?? please be detailed since i am quite new to all this.
thanks beforehands.
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Jul 28, 1999
What does 'tablename. index... cost: 100%' mean when I use display estimated execution plan?
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Sep 15, 2006
I have a stored procedure that will execute with less than 1,000 reads onetime (with a specified set of parameters), then with a different set ofparameters the procedure executes with close to 500,000 reads (according toProfiler).In comparing the execution plans, they are the same, except for the actualand estimated number of rows. When the proc runs with parameters that producereads that are less than 1,000 the actual and estimated number of rows equal1. When the proc runs with parameters that produce reads are near 500,000 theactual rows are approximately 85,000 and the estimated rows equal 1.Then I run:DBCC DROPCLEANBUFFERSDBCC FREEPROCCACHEIf I then reverse the order of execution by executing the procedure thatinitially executes with close to 500,000 reads first, the reads drop to lessthan 2,000. The execution plan shows the acutual number of rows equal to 1,and the estimated rows equal to 2.27. Then when I run the procedure thatinitially executed with less than 1,000 reads, it continues to run at lessthan 1,000 reads, and the actual number of rows is equal to 1 and theestimated rows equal to 2.27. When run in this order, there is consistency inthe actual and estimated number of rows and the reads for both executionswith differing parameters are within reason.Do I need to run DBCC DROPCLEANBUFFERS and DBCC FREEPROCCACHE on productionand then ensure that the procedure that ran close to 500,000 reads is runfirst to ensure the proper plan, as well as using a KEEP PLAN option? Or,what other options might you recommend?I am running SQL 2000 SP4.--Message posted via SQLMonster.comhttp://www.sqlmonster.com/Uwe/Forum...eneral/200609/1
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Sep 14, 2007
Hi,
I am writing a client application that shows estimated queries plans and statistics. I know how to obtain estimated plans by using SQL Server Management Studio. But is it possible to obtain by using database functions?
I have found sys.dm_exec_query_plan, but it seems that this function can only be used for executed (or executing) queries...
Thanks
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Jun 9, 2004
Does anyone know how I can determine the number of page writes that have been performed during a set period of time? I need to figure out the data churn in that time period.
TIA
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Feb 4, 2008
Hello friends
I am new to SQL database design.I am having a table name customerletter_master in which all details of customer letters are saved.At a time i.e in single second around 200- 400 entry are made in customerletter_master table. Hits to customerletter_master table are more.
Following fields are used in customerletter_master – CID (autogen number), letterno(primary key),consignee, consignor, letterstatus1, letterstatus2, letterstatus3, POD, and some more fields. When letter passes to different stages letterstatus1 is filled to yes and then letterstatus2 and letterstatus3 are filled according to passage of letter.
And at same time many user can accesses the customerletter_master table to search any letter according to letterno. Therefore customerletter_master is used to enter data and to search data at same time and there can be more than 200-400 users doing add and search records to and from customerletter_master
how should i design this table. What should i use to enter and search record and minimize the table hits made by the user at same time. Should i use store procedures or any other method to add and search record. Plz help me out by giving some example.
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I'm trying to piece together some code on how to find members of our organization who have visited our website.
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Very new to SQL and trying to get this query to run. I need to sum the total trips and total values as separate columns by day to insert them into another table.....
My code is as follows;
Insert Into [dbo].[CombinedTripTotalsDaily]
(
Year,
Month,
Week,
DayNo,
Day,
Trip_Date,
[Code] .....
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Jul 20, 2005
I haven't a clue how to accomplish this.All the data is in one table. The data is stored by registration dateand includes county and number of students brokne out by grade.Any help appreciated!Rob
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Oct 26, 2015
For some reason my Add Total is grey out, when i tried to add grand total using some expression.
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Aug 6, 2014
I am running an update query.It is taking long time. To find the estimated completion time i checked sys.dm_exec_request or sys.dm_exec_session or sp_who2 but there is no clue. It is showing as zero.
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May 27, 2008
Hi,
I would like what represente the value of Estimated I/O . Is that estiamted number pages or somethings else?
Thanks for help.
Tietie
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Apr 4, 2008
What's the use of display estimated execution plan....
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Jul 24, 2006
When I generate an estimated execution plan from Management Studio, one of the things I often see in the execution plan generated is an 'Index Scan'. When I put my mouse over the 'Index Scan' graphic, I will see a window display with something called 'Output List' at the bottom of the window. Do I understand correctly that SQL Server will scan my index looking for values in each of the fields included in this output list?
Thanks, Amos.
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Mar 10, 2008
Hi,
I am using SQL Server 2005. I want to know about display estimated execution plan feature.
Please help!!!
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I have a table that writes daily sales each night but it adds the day's sales to the cumulative total for the month. I need to pull the difference of todays cumulative total less yesterdays. So when my total for today is 30,000 and yesterday's is 28,800, my sales for today would be 1,200. I want to write this to a new field but I just can't seen to get the net sales for the day. Here is some sample data. For daily sales for 6-24 I want to see 2,000, for 6-25 3,000, 6-26 3,500, and 6-27 3,500. I'm thinking a case when but can't seem to get it right.
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(date_created date,
sales decimal (19,2))
INSERT INTO sales (date_created, sales)
VALUES ('6-23-15', '20000.00'),
('6-24-15', '22000.00'),
('6-25-15', '25000.00'),
('6-26-15', '28500.00'),
('6-27-15', '32000.00')
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Apr 11, 2006
I was curious to know if it the amount of data sent to the sql server mattered.
I am working on a web application and I have three stored procedures that most likely will be called one after the other. Each procedure accepts at least 4 parameters. Instead if I create one stored procedure, then I will be passing at least 12 parameters. Some of the parameters could be quite bulky(at least 1000 characters).
So which one is better, 1 stored procedure with 12 parameters or 3 stored procedures with 4 parameters each called one after the other.
Thanks
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Jun 17, 1999
Hi,
I used to use a insert subselect on the 6.5 catalog table
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