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  • SQL Server: One large persisted computed column for Fulltext Indexing

    - by Alex
    It appears to me as the easiest, most straightforward solution, but please correct me if I'm wrong. Instead of having a fulltext index on all individual columns of a table, isn't it better to just generate one single wide computed column and run the fulltext index against that only? It appears to me that it gets rid of all the issues of having multiple columns, incl. that I can't search "x AND y" as this will not match a row with "x" present in column 1 and "y" present in column 2. Any counterarguments?

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  • SQL SERVER FULL-TEXT INDEX, CONTAINS return empty

    - by max
    Hi, All: I got a issue about full index, any body can help me on this? set up full text index CREATE FULLTEXT INDEX ON dbo.Companies(my table name) ( CompanyName(colum of my table) Language 0X0 ) KEY INDEX IX_Companies_CompanyAlias ON QuestionsDB WITH CHANGE_TRACKING AUTO GO Using CONTAINS to find the matched rows SELECT CompanyId, CompanyName FROM dbo.Companies WHERE CONTAINS(CompanyName,'Micro') All is going well. just just just return empty resultset. And I am sure there is company with CompanyName "Microsoft" in Table Company Much appreciated if anybody does me a favor on this.

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  • Questions on SQL Server 2008 Full-Text Search

    - by Eddie
    I have some questions about SQL 2K8 integrated full-text search. Say I have the following tables: Car with columns: id (int - pk), makeid (fk), description (nvarchar), year (int), features (int - bitwise value - 32 features only) CarMake with columns: id (int - pk), mfgname (nvarchar) CarFeatures with columns: id (int - 1, 2, 4, 8, etc.), featurename (nvarchar) If someone searches "red honda civic 2002 4 doors", how would I parse the input string so that I could also search in the "CarMake" and "CarFeatures" tables?

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  • SQL Server Full Text Search Leading Wildcard

    - by aherrick
    After taking a look at this SO question and doing my own research, it appears that you cannot have a leading wildcard while using full text search. So in the most simple example, if I have a Table with 1 column like below: TABLE1 coin coinage undercoin select COLUMN1 from TABLE1 where COLUMN1 LIKE '%coin%' Would get me the results I want. How can I get the exact same results with FULL TEXT SEARCH enabled on the column? The following two queries return the exact same data, which is not exactly what I want. SELECT COLUMN1 FROM TABLE1 WHERE CONTAINS(COLUMN1, '"coin*"') SELECT COLUMN1 FROM TABLE1 WHERE CONTAINS(COLUMN1, '"*coin*"')

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  • What does SQL Server execution plan show?

    - by tim
    There is the following code: declare @XmlData xml = '<Locations> <Location rid="1"/> </Locations>' declare @LocationList table (RID char(32)); insert into @LocationList(RID) select Location.RID.value('@rid','CHAR(32)') from @XmlData.nodes('/Locations/Location') Location(RID) insert into @LocationList(RID) select A2RID from tblCdbA2 Table tblCdbA2 has 172810 rows. I have executed the batch in SSMS with “Include Actual execution plan “ and having Profiler running. The plan shows that the first query cost is 88% relative to the batch and the second is 12%, but the profiler says that durations of the first and second query are 17ms and 210 ms respectively, the overall time is 229, which is not 12 and 88.. What is going on? Is there a way how I can determine in the execution plan which is the slowest part of the query?

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  • Haskell as REST server

    - by Dev er dev
    I would like to try Haskell on a smallish project which should be well suited to it. I would like to use it as a backend to a small ajax application. Haskell backend should be able to do authentication (basic, form, whatever, ...), keep track of user session (not much data there except for username) and to dispatch request to handlers based on uri and request type. It should also be able to serialize response to both xml and json format, depending on request parameter. I suppose the handlers are ideally suited for Haskell, since the service is basically stateless, but I don't know where to start for the rest of the story. Searching hackage didn't give me much hints.

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  • sql server procedure error

    - by Mohan
    CREATE PROCEDURE USP_SEARCH_HOTELS ( @Text varchar(50), @Type varchar(40) ) AS BEGIN Declare @Query VARCHAR(60) IF @Type = 'By Country' BEGIN SET @Query = 'Hotel.countryName like '+ @Text+'%' END ELSE IF @Type = 'By State' BEGIN SET @Query = 'HOTEL.stateName like '+ @Text+'%' END ELSE IF @Type='By Property Name' BEGIN SET @Query='hotel.propertyname like'+ @Text+'%' End ELSE IF @Type='By Rating' BEGIN SET @Query='hotel.starRating='+ Cast(@Text as INT) END ELSE IF @Type='By City' BEGIN SET @Query='hotel.cityName like '+ @Text+'%' END begin select * from hotel,tbl_cust_info where hotel.agentID=Tbl_Cust_Info.Cust_ID and (@Query) end END WHAT IS THE ERROR IN THIS PROCEDURE PLEASE HELP.

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  • SQL Server authentication - limit access to database to only connect through application

    - by Mauro
    I have a database which users should not be able to alter data in unless they use the specific app. I know best practice is to use windows authentication however that would mean that users could then connect to the database using any other data enabled app and change values which would then not be audited. Unfortunately SQL 2008 with its inbuilt auditing is not available. Any ideas how to ensure that users cannot change anything unless its through the controlling app?

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  • Fastest method for SQL Server inserts, updates, selects from C# ASP.Net 2.0+

    - by Ian
    Hi All, long time listener, first time caller. I use SPs and this isn't an SP vs code-behind "Build your SQL command" question. I'm looking for a high-throughput method for a backend app that handles many small transactions. I use SQLDataReader for most of the returns since forward only works in most cases for me. I've seen it done many ways, and used most of them myself. Methods that define and accept the stored procedure parameters as parameters themselves and build using cmd.Parameters.Add (with or without specifying the DB value type and/or length) Assembling your SP params and their values into an array or hashtable, then passing to a more abstract method that parses the collection and then runs cmd.Parameters.Add Classes that represent tables, initializing the class upon need, setting the public properties that represent the table fields, and calling methods like Save, Load, etc I'm sure there are others I've seen but can't think of at the moment as well. I'm open to all suggestions.

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  • SCD2 + Merge Statement + SQL Server

    - by Nev_Rahd
    I am trying work out with MERGE statment to Insert / Update Dimension Table of Type SCD2 My source is a Table var to Merge with Dimension table. My MERGE statement is throwing an error as: The target table 'DM.DATA_ERROR.ERROR_DIMENSION' of the INSERT statement cannot be on either side of a (primary key, foreign key) relationship when the FROM clause contains a nested INSERT, UPDATE, DELETE, or MERGE statement. Found reference constraint 'FK_ERROR_DIMENSION_to_AUDIT_CreatedBy'. My MERGE Statement: DECLARE @DATAERROROBJECT AS [ERROR_DIMENSION] INSERT INTO DM.DATA_ERROR.ERROR_DIMENSION SELECT ERROR_CODE, DATA_STREAM_ID, [ERROR_SEVERITY], DATA_QUALITY_RATING, ERROR_LONG_DESCRIPTION, ERROR_DESCRIPTION, VALIDATION_RULE, ERROR_TYPE, ERROR_CLASS, VALID_FROM, VALID_TO, CURR_FLAG, CREATED_BY_AUDIT_SK, UPDATED_BY_AUDIT_SK FROM (MERGE DM.DATA_ERROR.ERROR_DIMENSION ED USING @DATAERROROBJECT OBJ ON(ED.ERROR_CODE = OBJ.ERROR_CODE AND ED.DATA_STREAM_ID = OBJ.DATA_STREAM_ID) WHEN NOT MATCHED THEN INSERT VALUES( OBJ.ERROR_CODE ,OBJ.DATA_STREAM_ID ,OBJ.[ERROR_SEVERITY] ,OBJ.DATA_QUALITY_RATING ,OBJ.ERROR_LONG_DESCRIPTION ,OBJ.ERROR_DESCRIPTION ,OBJ.VALIDATION_RULE ,OBJ.ERROR_TYPE ,OBJ.ERROR_CLASS ,GETDATE() ,'9999-12-13' ,'Y' ,1 ,1 ) WHEN MATCHED AND ED.CURR_FLAG = 'Y' AND ( ED.[ERROR_SEVERITY] <> OBJ.[ERROR_SEVERITY] OR ED.[DATA_QUALITY_RATING] <> OBJ.[DATA_QUALITY_RATING] OR ED.[ERROR_LONG_DESCRIPTION] <> OBJ.[ERROR_LONG_DESCRIPTION] OR ED.[ERROR_DESCRIPTION] <> OBJ.[ERROR_DESCRIPTION] OR ED.[VALIDATION_RULE] <> OBJ.[VALIDATION_RULE] OR ED.[ERROR_TYPE] <> OBJ.[ERROR_TYPE] OR ED.[ERROR_CLASS] <> OBJ.[ERROR_CLASS] ) THEN UPDATE SET ED.CURR_FLAG = 'N', ED.VALID_TO = GETDATE() OUTPUT $ACTION ACTION_OUT, OBJ.ERROR_CODE ERROR_CODE, OBJ.DATA_STREAM_ID DATA_STREAM_ID, OBJ.[ERROR_SEVERITY] [ERROR_SEVERITY], OBJ.DATA_QUALITY_RATING DATA_QUALITY_RATING, OBJ.ERROR_LONG_DESCRIPTION ERROR_LONG_DESCRIPTION, OBJ.ERROR_DESCRIPTION ERROR_DESCRIPTION, OBJ.VALIDATION_RULE VALIDATION_RULE, OBJ.ERROR_TYPE ERROR_TYPE, OBJ.ERROR_CLASS ERROR_CLASS, GETDATE() VALID_FROM, '9999-12-31' VALID_TO, 'Y' CURR_FLAG, 555 CREATED_BY_AUDIT_SK, 555 UPDATED_BY_AUDIT_SK ) AS MERGE_OUT WHERE MERGE_OUT.ACTION_OUT = 'UPDATE'; What am I doing wrong ?

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  • stored procedure for importing txt in sql server db

    - by Iulian
    I have to insert new records in a database every day from a text file ( tab delimited). I'm trying to make this into a stored procedure with a parameter for the file to read data from. CREATE PROCEDURE dbo.UpdateTable @FilePath BULK INSERT TMP_UPTable FROM @FilePath WITH ( FIRSTROW = 2, MAXERRORS = 0, FIELDTERMINATOR = '\t', ROWTERMINATOR = '\n' ) RETURN Then i would call this stored procedure from my code (C#) specifying the file to insert. This is obviously not working, so how can i do it ?

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  • SQL Server search filter and order by performance issues

    - by John Leidegren
    We have a table value function that returns a list of people you may access, and we have a relation between a search and a person called search result. What we want to do is that wan't to select all people from the search and present them. The query looks like this SELECT qm.PersonID, p.FullName FROM QueryMembership qm INNER JOIN dbo.GetPersonAccess(1) ON GetPersonAccess.PersonID = qm.PersonID INNER JOIN Person p ON p.PersonID = qm.PersonID WHERE qm.QueryID = 1234 There are only 25 rows with QueryID=1234 but there are almost 5 million rows total in the QueryMembership table. The person table has about 40K people in it. QueryID is not a PK, but it is an index. The query plan tells me 97% of the total cost is spent doing "Key Lookup" witht the seek predicate. QueryMembershipID = Scalar Operator (QueryMembership.QueryMembershipID as QM.QueryMembershipID) Why is the PK in there when it's not used in the query at all? and why is it taking so long time? The number of people total 25, with the index, this should be a table scan for all the QueryMembership rows that have QueryID=1234 and then a JOIN on the 25 people that exists in the table value function. Which btw only have to be evaluated once and completes in less than 1 second.

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  • syntax for single row MERGE / upsert in SQL Server

    - by Jacob
    I'm trying to do a single row insert/update on a table but all the examples out there are for sets. Can anyone fix my syntax please: MERGE member_topic ON mt_member = 0 AND mt_topic = 110 WHEN MATCHED THEN UPDATE SET mt_notes = 'test' WHEN NOT MATCHED THEN INSERT (mt_member, mt_topic, mt_notes) VALUES (0, 110, 'test') Resolution per marc_s is to convert the single row to a subquery - which makes me think the MERGE command is not really intended for single row upserts. MERGE member_topic USING (SELECT 0 mt_member, 110 mt_topic) as source ON member_topic.mt_member = source.mt_member AND member_topic.mt_topic = source.mt_topic WHEN MATCHED THEN UPDATE SET mt_notes = 'test' WHEN NOT MATCHED THEN INSERT (mt_member, mt_topic, mt_notes) VALUES (0, 110, 'test');

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  • Modify xml element name in SQL Server

    - by sesame
    I want to change element name with following statement: SET @myDoc.modify('replace value of (/CustomerInfo)[1] with "Customer"') from <CustomerInfo>     <ID1</ID> </CustomerInfo> to <Customer>     <ID1</ID> </Customer> But failed. So how can i change it just in sql ?

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  • Returning content directly from memcache - Django / HTTP Server

    - by RadiantHex
    Hi folks, I've built a web application with Django, I'm using Memcached in order to cache data. A few views cache the whole HttpResponse objects, therefore there might be a better alternative for returning the Memcached data other than going through Django. What could be faster alternatives for returning Memcached data on HTTP Requests ? I'm trying to make the operation as fast and lightweight as possible. Help would be much appreciated! :)

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  • Best way to randomly select rows *per* column in SQL Server

    - by LesterDove
    A search of SO yields many results describing how to select random rows of data from a database table. My requirement is a bit different, though, in that I'd like to select individual columns from across random rows in the most efficient/random/interesting way possible. To better illustrate: I have a large Customers table, and from that I'd like to generate a bunch of fictitious demo Customer records that aren't real people. I'm thinking of just querying randomly from the Customers table, and then randomly pairing FirstNames with LastNames, Address, City, State, etc. So if this is my real Customer data (simplified): FirstName LastName State ========================== Sally Simpson SD Will Warren WI Mike Malone MN Kelly Kline KS Then I'd generate several records that look like this: FirstName LastName State ========================== Sally Warren MN Kelly Malone SD Etc. My initial approach works, but it lacks the elegance that I'm hoping the final answer will provide. (I'm particularly unhappy with the repetitiveness of the subqueries, and the fact that this solution requires a known/fixed number of fields and therefore isn't reusable.) SELECT FirstName = (SELECT TOP 1 FirstName FROM Customer ORDER BY newid()), LastName= (SELECT TOP 1 LastNameFROM Customer ORDER BY newid()), State = (SELECT TOP 1 State FROM Customer ORDER BY newid()) Thanks!

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  • Will SQL Server Partitioning increase performance without changing filegroups

    - by Tom
    Scenario I have a 10 million row table. I partition it into 10 partitions, which results in 1 million rows per partition but I do not do anything else (like move the partitions to different file groups or spindles) Will I see a performance increase? Is this in effect like creating 10 smaller tables? If I have queries that perform key lookups or scans, will the performance increase as if they were operating against a much smaller table? I'm trying to understand how partitioning is different from just having a well indexed table, and where it can be used to improve performance. Would a better scenario be to move the old data (using partition switching) out of the primary table to a read only archive table? Is having a table with a 1 million row partition and a 9 million row partition analagous (performance wise) to moving the 9 million rows to another table and leaving only 1 million rows in the original table?

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  • LAMP stack on home computer as a public web server

    - by Scott
    So I'm using this website: http://www.howtoforge.com/ubuntu_debian_lamp_server to setup LAMP on my Ubuntu Virtual Machine. Here is my question though, This will enable me to program and test through localhost. How can I set this up so anyone on the web can access my .php pages from any Internet capable device, and they will still interact with my local database, etc?

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