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  • how to optimize sql server table for faster response?

    - by Thomas
    i found a in a table there are 50 thousands records and it takes one minute when we fetch data from sql server table just by issuing a sql. there are one primary key that means a already a cluster index is there. i just do not understand why it takes one minute. beside index what are the ways out there to optimize a table to get the data faster. in this situation what i need to do for faster response. also tell me how we can write always a optimize sql. please tell me all the steps in detail for optimization. thanks.

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  • Would this rollback/stop all records from inserting?

    - by chobo2
    Hi I been going through this tutorial http://www.codeproject.com/KB/linq/BulkOperations_LinqToSQL.aspx and them make a SP like this CREATE PROCEDURE [dbo].[spTEST_InsertXMLTEST_TEST](@UpdatedProdData nText) AS DECLARE @hDoc int exec sp_xml_preparedocument @hDoc OUTPUT,@UpdatedProdData INSERT INTO TBL_TEST_TEST(NAME) SELECT XMLProdTable.NAME FROM OPENXML(@hDoc, 'ArrayOfTBL_TEST_TEST/TBL_TEST_TEST', 2) WITH ( ID Int, NAME varchar(100) ) XMLProdTable EXEC sp_xml_removedocument @hDoc Now my requirements require me to mass insert and mass update one after another. So first I am wondering can I merge those into one SP? I am not sure how it works with this OPENXML but I would think it would just be making sure that the XPath is right. Next what happens while it would be running this combined SP and something goes wrong. Would it roll back all the records or just stop and the records that happened before this event that crashed it would be inserted?

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  • Different versions in manifest on different machines

    - by Terry777
    Hi guys, Have two machines, both with VS2005 SP1 installed and with the WinSXS showing the same things installed. When one machine builds a particular C++ .dll .vcproj it ends up with <assemblyIdentity type='win32' name='Microsoft.VC80.MFC' version='8.0.50727.762' processorArchitecture='x86' publicKeyToken='1fc8b3b9a1e18e3b' /> in its manifest file. But on the other machine it ends up with <assemblyIdentity type='win32' name='Microsoft.VC80.MFC' version='8.0.50608.0 processorArchitecture='x86' publicKeyToken='1fc8b3b9a1e18e3b' /> even though this machine does not have '8.0.50608.0' libraries listed in its WinSXS. The .dll built on this machine with the older version referenced has some problems. I have ensured both machines have the same latest source code and references etc.. What could be causing it to build with the different reference? Thanks! Terry

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  • SQL Server: String Manipulation, Unpivoting

    - by OMG Ponies
    I have a column called body, which contains body content for our CMS. The data looks like: ...{cloak:id=1.1.1}...{cloak}...{cloak:id=1.1.2}...{cloak}...{cloak:id=1.1.3}...{cloak}... A moderately tweaked for readability example: ## h5. A formal process for approving and testing all external network connections and changes to the firewall and router configurations? {toggle-cloak:id=1.1.1}{tree-plus-icon} *Compliance:* {color:red}{*}Partial{*}{color} (?) {cloak:id=1.1.1} || Date: | 2010-03-15 || || Owner: | Brian || || Researched by: | || || Narrative: | Jira tickets are normally used to approve and track network changes\\ || || Artifacts: | Jira.bccampus.ca\\ || || Recommendation: | Need to update policy that no Jira = no change\\ || || Proposed Remedy(ies): | || || Approved Remedy(ies): | || || Date: | || || Reviewed by: | || || Remarks/comments: | || {cloak}## h5. Current network diagrams with all connections to cardholder data, including any wireless networks? {toggle-cloak:id=1.1.2}{tree-plus-icon} *Compliance:* {color:red}{*}TBD{*}{color} (?) {cloak:id=1.1.2} I'd like to get the cloak values out in the following format: requirement_num ----------------- 1.1.1 1.1.2 1.1.3 I'm looking at using UNIONs - does anyone have a better recommendation? Forgot to mention: I can't use regex, because CLR isn't enabled on the database. The numbers aren't sequencial. The current record jumps from 1.1.6 to 1.2.1

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  • LINQ to SQL auto-generated type for stored procedure

    - by StuffHappens
    Hello. I have the following stored procedure ALTER PROCEDURE [dbo].Test AS BEGIN CREATE TABLE ##table ( ID1 int, ID2 int ) DECLARE @query varchar(MAX); INSERT INTO ##table VALUES(1, 1); SELECT * FROM ##table; END And I try to use it from C# code. I use LINQ to SQL as an O/RM. When I add the procedure to DataBaseContext it says that it can't figure out the return value of this procedure. How to modify the stored procedure so that I can use it with LINQ to SQL. Note: I need to have global template table!

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  • SQL Analysis Services - Dimension attributes with a "many" cardinality

    - by MonkeyBrother
    I am creating a cube with the following tables: Customer CustomerID, Name Customer Rep CustomerID, RepID Rep RepID, Name The important thing here is that there is a many to many relationship between Reps and Customers. I want to be able to ask the question "How much sales for customers working with rep 'A'?" In the data source view i set up the relationships between both customerid columns and both repid columns. I set up the rep attribute in the dimension builder and when I try to build the cube I get this error: Errors in the high-level relationship engine. the 'Rep' table that is required for a join cannot be reached based on the relationships in the data source view.

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  • How to check if the sum of some records equals the difference between two other records in t-sql?

    - by Dan Appleyard
    I have a view that contains bank account activity. ACCOUNT BALANCE_ROW AMOUNT SORT_ORDER 111 1 0.00 1 111 0 10.00 2 111 0 -2.50 3 111 1 7.50 4 222 1 100.00 5 222 0 25.00 6 222 1 125.00 7 ACCOUNT = account number BALANCE_ROW = either starting or ending balance would be 1, otherwise 0 AMOUNT = the amount SORT_ORDER = simple order to return the records in the order of start balance, activity, and end balance I need to figure out a way to see if the sum of the non balance_row rows equal the difference between the ending balance and the starting balance. The result for each account (1 for yes, 0 for no) would be simply added to the resulting result set. Example: Account 111 had a starting balance of 0.00. There were two account activity records of 10.00 and -2.5. That resulted in the ending balance of 7.50. I've been playing around with temp tables, but I was not sure if there is a more efficient way of accomplishing this. Thanks for any input you may have!

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  • What exactly is saved in SQL Server Statistics? When they get updated? Is SQL Server itself is taking care of them?

    - by Pritesh
    I have been working with SQL Server as a Developer a while. One thing I learnt is SQL Server manages Statistics which help Engine to create optimized execution plan. I could not figure out what exactly is stores in Statistics? (I read it saves Vector, but what Vector?) When/In which scenario SQL Server updates Statistics? How/why some time they go out of sync (old Statistics) In case of old Statistics is a manual DBA/Developer intervention is required or SQL Server Will get them updated. As a DBA/Developer how to find out if Statistics OLD? What should we do?

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  • SSAS OLAP MDX and relationships

    - by Sonic Soul
    I new to OLAP, and still not sure how to create a relationship between 2 or more entities. I am basing my cube on views. For simplicity sake let's call them like this: viewParent (ParentID PK) viewChild (ChildID PK, ParentID FK) these views have more fields, but they're not important for this question. in my data source, i defined a relationship between viewParent and viewChild using ParentID for the link. As for measures, i was forced to create separate measures for Parent and Child. in my MDX query however, the relationship does not seem to be enforced. If i select record count for parent, child, and add some filters for the parent, the child count is not reflecting it.. SELECT { [Measures].[ParentCount],[Measures].[ChildCount] } ON COLUMNS FROM [Cube] WHERE { ( {[Time].[Month].&[2011-06-01T00:00:00]} ,{[SomeDimension].&[Foo]} ) } the selected ParentCount is correct, but ChildCount is not affected by any of the filters (because they are parent filters). However, since i defined a relationship, how can i take advantage of that to filter children by parent filter?

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  • Null Value Statement

    - by Sam
    Hi All, I have created a table called table1 and it has 4 columns named Name,ID,Description and Date. I have created them like Name varchar(50) null, ID int null,Description varchar(50) null, Date datetime null I have inserted a record into the table1 having ID and Description values. So Now my table1 looks like this: Name ID Description Date Null 1 First Null One of them asked me to modify the table such a way that The columns Name and Date should have Null values instead of Text Null. I don't know what is the difference between those I mean can anyone explain me the difference between these select statements: SELECT * FROM TABLE1 WHERE NAME IS NULL SELECT * FROM TABLE1 WHERE NAME = 'NULL' SELECT * FROM TABLE1 WHERE NAME = ' ' Can anyone explain me?

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  • I can't seem to get my grand Total to calculate correctly

    - by Kenny
    When I run this query below, SELECT clientid, CASE WHEN D.ccode = '-1' Then 'Did Not Show' ELSE D.ccode End ccode, ca, ot, bw, cshT, dc, dte, approv FROM dbo.emC D WHERE year(dte) = year(getdate()) I get the correct results. It is correct result because ccode shows 'Did Not Show' when the value on the db is '-1' However, when I do a UNION ALL so I can get total for each column, I get the results but then 'Did Not Show' is no longer visible when valye for ccode is '-1'. There are over 1000 records with valuye of '-1'. Can someone please help? Here is the entire code with UNION. SELECT clientid, CASE WHEN D.ccode = '-1' Then 'Did Not Show' ELSE D.ccode End ccode, ca, ot, bw, cshT, dc, dte, approv FROM dbo.emC D WhERE year(dte) = year(getdate()) UNION ALL SELECT 'Total', '', SUM(D.ca), SUM(D.ot), SUM(D.bw), SUM(D.cshT), '', '', '' FROM emC D WHERE YEAR(dte)='2011' I also tried using ROLLUP but the real issue here is that I can't get the 'Did Not Show' text to display when ccode value is -1 ClientID CCODE ot ca bw cshT 019692 CF001 0.00 0.00 1.00 0.00 0.00 019692 CH503 0.00 0.00 1.00 0.00 0.00 010487 AC407 0.00 0.00 1.00 0.00 0.00 028108 CH540 0.00 0.00 1.00 0.00 0.00 028108 GS925 0.00 0.00 1.00 0.00 0.00 001038 AC428 0.00 0.00 3.00 0.00 0.00 028561 Did Not Show 0.00 0.00 0.00 0.00 0.00 016884 Did Not Show 0.00 0.00 0.00 0.00 0.00 05184 CF001 0.00 0.00 4.50 0.00 0.00

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  • created persisted computed columns when the user defined scalar function appears to be non-determini

    - by Ralph Shillington
    I have a scalar UDF that I know to be deterministic, however SQL doesn't. Is there a way to declare it as deterministic so that I can then use it in a persisted computed column definition? further clarification: The purpose of this exercise is that I need to harvest out specific values from an XML column on the row. I can't use the value method of the xml column in my computed column definition, but I can use it in a UDF. I know the xpath query in the value method will produce the same output give the same input so while I certainly understand that not all calls to value will be deterministic I want to assert that mine is.

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  • Creating a join based on data from other tables...

    - by Workshop Alex
    I'm dealing with a database structure that can be defined as "illogical". It has about 100 different schema's with all different table structures per schema. Only one common factor is a "Version" table in each schema containing about 4 fields. (Thus, there are about 100 Version tables in the database.) There's also another table (view, actually) containing a list of all the schema's in the database that have a version table. I need a stored procedure that walks through all the schema's and selects all data from the Version table, adding the schema name as a fifth field to the result. Basically, this stored procedure is to return a list of all version records per schema. My idea: first walk through the schema list to create one new SQL statements that will JOIN all the schema.version tables into one SQL statement. Then I return the result of that query. How to do this? Or does anyone have a better suggestion? (No, redesigning the structure is NOT an option.)

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  • SQL. Sorting by a field

    - by strakastroukas
    I have created a simple view consisting of 3 tables in SQL. By right clicking and selecting Design, in the Object explorer table, i modified my custom view. I just added sortby asc in a field. The problem is that the changes are not reflected in the outout of the View. After saving the view, and selecting Open view the sort is not displayed in output. So what is going on here?

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  • Insert Statment with Case for avoid duplicate record insertion

    - by rama
    I have written the below SP for Precheck for Duplicate records before insert into Table . but it is not allow me yo write insert staement inside the CASE . how can I write Stored Procedure for fist Check the value @Ordername into table After that if it is not present then it should inserted into Database . CREATE PROCEDURE [Test Procedure ] ( @section varchar(70), @mark varchar(70), @qty decimal(18,2), @Weight decimal(18,2), @dateupdateremark int, @OrderName varchar(70) ) AS BEGIN SET NOCOUNT ON; select case(@OrderName) when (select OrderName from dbo.tbl_insertxmldetails where(@OrderName) not in (select OrderName from tbl_insertxmldetails)) then insert into dbo.tbl_insertxmldetails (Section, Mark, QTY,Weight,Dateupdateremark ,OrderName,SystemDate) values (@Section, @Mark, @QTY,@Weight, @Dateupdateremark,@OrderName,GETDATE()) else 'File already Exists' end

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  • Best approach to cache Counts from SQL tables ?

    - by pixel3cs
    I would like to develop a Forum from scratch, with special needs and customization. I would like to prepare my forum for intensive usage and wondering how to cache things like User posts count and User replies count. Having only three tables, tblForum, tblForumTopics, tblForumReplies, what is the best approach of cache the User topics and replies counts ? Think at a simple scenario: user press a link and open the Replies.aspx?id=x&page=y page, and start reading replies. On the HTTP Request, the server will run an SQL command wich will fetch all replies for that page, also "inner joining with tblForumReplies to find out the number of User replies for each user that replied." select tblForumReplies.*, tblFR.TotalReplies from tblForumReplies inner join ( select IdRepliedBy, count(*) as TotalReplies from tblForumReplies group by IdRepliedBy ) as tblFR on tblFR.IdRepliedBy = tblForumReplies.IdRepliedBy Unfortunately this approach is very cpu intensive, and I would like to see your ideas of how to cache things like table Counts. If counting replies for each user on insert/delete, and store it in a separate field, how to syncronize with manual data changing. Suppose I will manually delete Replies from SQL.

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  • MFC: 'Gluing' two windows/dialogs together

    - by John
    I'm trying to set something up so my main dialog has one or more child dialogs, and these are glued/docked to the outside of the main dialog - when the main dialog is minimised, the children are too, when main dialog moves, children move with it. I'd tried setting child dialogs as having main dialog CWnd as parent, with CHILD style. But then they get clipped by the parent's boundary. If I set them as POPUP, they can be outside but then don't move with the parent. I'm looking at putting an OnMove handler on the parent dialog, but is there something built-in? And, should child dialogs still be children of the main dialog... I assume they should? This is VS2005 (I think VS2008 has some related functionality so I mention this).

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  • How can I pivot these key+values rows into a table of complete entries?

    - by CodexArcanum
    Maybe I demand too much from SQL but I feel like this should be possible. I start with a list of key-value pairs, like this: '0:First, 1:Second, 2:Third, 3:Fourth' etc. I can split this up pretty easily with a two-step parse that gets me a table like: EntryNumber PairNumber Item 0 0 0 1 0 First 2 1 1 3 1 Second etc. Now, in the simple case of splitting the pairs into a pair of columns, it's fairly easy. I'm interested in the more advanced case where I might have multiple values per entry, like: '0:First:Fishing, 1:Second:Camping, 2:Third:Hiking' and such. In that generic case, I'd like to find a way to take my 3-column result table and somehow pivot it to have one row per entry and one column per value-part. So I want to turn this: EntryNumber PairNumber Item 0 0 0 1 0 First 2 0 Fishing 3 1 1 4 1 Second 5 1 Camping Into this: Entry [1] [2] [3] 0 0 First Fishing 1 1 Second Camping Is that just too much for SQL to handle, or is there a way? Pivots (even tricky dynamic pivots) seem like an answer, but I can't figure how to get that to work.

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  • Assign the results of a stored procedure into a variable in another stored procedure

    - by RHPT
    The title of this question is a bit misleading, but I couldn't summarize this very well. I have two stored procedures. The first stored procedure (s_proc1) calls a second stored procedure (s_proc2). I want to assign the value returned from s_proc2 to a variable in s_proc1. Currently, I'm calling s_proc2 (inside s_proc1) in this manner: EXEC s_proc2 @SiteID, @count = @PagingCount OUTPUT s_proc2 contains a dynamic query statement (for reasons I will not outline here). CREATE dbo.s_proc2 ( @siteID int, @count int OUTPUT ) AS DECLARE @sSQL nvarchar(100) DECLARE @xCount int SELECT @sSQL = 'SELECT COUNT(ID) FROM Authors' EXEC sp_ExecuteSQL @sSQL, N'@xCount int output', @xCount output SET @count = @xCount RETURN @count Will this result in @PagingCount having the value of @count? I ask because the result I am getting from s_proc1 is wonky. In fact, what I do get is two results. The first being @count, then the result of s_proc1 (which is incorrect). So, it makes me wonder if @PagingCount isn't being set properly. Thank you.

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  • Trigger on database using a web application and a winform application

    - by Michael
    Hello all, Situation: I have a web application which shows errors and where you can accept those error messages. I also have a service, which checks errors from a system and sets the error messages in the database. When I accept an error in the web application, i would like the service to know which error message has been accepted, so that it can do some other actions. My guess is that this could be done through some sort of trigger, but i can't figure out how. Can anyone help me with this?

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