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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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  • LINQ to SQL left outer joins

    - by César
    Is this query equivalent to a LEFT OUTER join? var rows = from a in query join s in context.ViewSiteinAdvise on a.Id equals s.SiteInAdviseId where a.Order == s.Order select new {....}; I tried this but it did not result from s in ViewSiteinAdvise join q in query on s.SiteInAdviseId equals q.Id into sa from a in sa.DefaultIfEmpty() where s.Order == a.Order select new {s,a} I need all columns from View

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  • How can I improve my select query for storing large versioned data sets?

    - by Jason Francis
    At work, we build large multi-page web applications, consisting mostly of radio and check boxes. The primary purpose of each application is to gather data, but as users return to a page they have previously visited, we report back to them their previous responses. Worst-case scenario, we might have up to 900 distinct variables and around 1.5 million users. For several reasons, it makes sense to use an insert-only approach to storing the data (as opposed to update-in-place) so that we can capture historical data about repeated interactions with variables. The net result is that we might have several responses per user per variable. Our table to collect the responses looks something like this: CREATE TABLE [dbo].[results]( [id] [bigint] IDENTITY(1,1) NOT NULL, [userid] [int] NULL, [variable] [varchar](8) NULL, [value] [tinyint] NULL, [submitted] [smalldatetime] NULL) Where id serves as the primary key. Virtually every request results in a series of insert statements (one per variable submitted), and then we run a select to produce previous responses for the next page (something like this): SELECT t.id, t.variable, t.value FROM results t WITH (NOLOCK) WHERE t.userid = '2111846' AND (t.variable='internat' OR t.variable='veteran' OR t.variable='athlete') AND t.id IN (SELECT MAX(id) AS id FROM results WITH (NOLOCK) WHERE userid = '2111846' AND (t.variable='internat' OR t.variable='veteran' OR t.variable='athlete') GROUP BY variable) Which, in this case, would return the most recent responses for the variables "internat", "veteran", and "athlete" for user 2111846. We have followed the advice of the database tuning tools in indexing the tables, and against our data, this is the best-performing version of the select query that we have been able to come up with. Even so, there seems to be significant performance degradation as the table approaches 1 million records (and we might have about 150x that). We have a fairly-elegant solution in place for sharding the data across multiple tables which has been working quite well, but I am open for any advice about how I might construct a better version of the select query. We use this structure frequently for storing lots of independent data points, and we like the benefits it provides. So the question is, how can I improve the performance of the select query? I assume the nested select statement is a bad idea, but I have yet to find an alternative that performs as well. Thanks in advance. NB: Since we emphasize creating over reading in this case, and since we never update in place, there doesn't seem to be any penalty (and some advantage) for using the NOLOCK directive in this case.

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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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  • SQL use comma-separated values with IN clause

    - by user342944
    I am developing an ASP.NET application and passing a string value like "1,2,3,4" into a procedure to select those values which are IN (1,2,3,4) but its saying "Conversion failed when converting the varchar value '1,2,3,4' to data type int." Here is the aspx code: private void fillRoles() { /*Read in User Profile Data from database */ Database db = DatabaseFactory.CreateDatabase(); DbCommand cmd = db.GetStoredProcCommand("sp_getUserRoles"); db.AddInParameter(cmd, "@pGroupIDs", System.Data.DbType.String); db.SetParameterValue(cmd, "@pGroupIDs", "1,2,3,4"); IDataReader reader = db.ExecuteReader(cmd); DropDownListRole.DataTextField = "Group"; DropDownListRole.DataValueField = "ID"; while (reader.Read()) { DropDownListRole.Items.Add((new ListItem(reader[1].ToString(), reader[0].ToString()))); } reader.Close(); } Here is my procedure: CREATE Procedure [dbo].[sp_getUserRoles](@pGroupIDs varchar(50)) AS BEGIN SELECT * FROM CheckList_Groups Where id in (@pGroupIDs) END

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  • SSIS (missing) Pre-Build and Post-Build

    - by Raj More
    For the warehouse work under progress, we have a single solution with multiple projects in it OLTP Database Project Warehouse Database Project SSIS ETL project After the SSIS project is built, I want to move the binaries (XML, really) from the Bin folder to "C:\AutomatedTasks\ETL.Warehouse\" and "C:\AutomatedTasks\ETL" I cannot find the Post-Build events to do that for the SSIS project. Where are they? If they aren't available, how do I achieve this?

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  • computed column calculate a value based on different table

    - by adnan
    i've a table c_const code | nvalue -------------- 1 | 10000 2 | 20000 and i've another table t_anytable rec_id | s_id | n_code --------------------- 2 | x | 1 now i want to calculate the x value with computed column, based on rec_id*(select nvalue from c_const where code=ncode) but i get error "Subqueries are not allowed in this context. Only scalar expressions are allowed." how can i calculate the value in this computed column ? thanks.

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  • C# SQL create table IF it doesn't already exist

    - by jakesankey
    Hey, I am trying to put a little logic into my C# app that will create a table called Import, IF it doesn't already exist.. here is my code, it doesn't seem to work tho. con.Open(); using (SqlCommand cmd = con.CreateCommand()) { cmd.CommandText = @" IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'RX_CMMData' AND TABLE_NAME = 'Import')) BEGIN CREATE TABLE Import ( RowId integer PRIMARY KEY NOT NULL, PartNumber varchar(200) NOT NULL, CMMNumber varchar(200) NOT NULL, Date varchar(200) NOT NULL, FeatType varchar(200) NOT NULL, FeatName varchar(200) NOT NULL, Value varchar(200) NOT NULL, Actual decimal, Nominal decimal, Dev decimal, TolMin decimal, TolPlus decimal, OutOfTol decimal, FileName varchar(200) NOT NULL ); END"; cmd.ExecuteNonQuery(); } con.Close();

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  • Insert into ... Select *, how to ignore identity?

    - by Haoest
    I have a temp table with the exact structure of a concrete table T. It was created like this: select top 0 * into #tmp from T After processing and filling in content into #tmp, I want to copy the content back to T like this: insert into T select * from #tmp This is okay as long as T doesn't have identity column, but in my case it does. Is there anyways I can ignore the auto-increment identity column from #tmp when I copy to T? My motivation is to avoid having to spell out every column name in the Insert Into list. EDIT: toggling identity_insert wouldn't work because the pkeys in #tmp may collide with those in T if rows were inserted into T outside of my script, that's if #tmp has auto-incremented the pkey to sync with T's in the first place.

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  • How to get only the date from the sql server

    - by Pradeep
    this is what i want. but i have put only a specified date. SELECT BookName, Author, BookPrice FROM Book WHERE Book.Book_ID = ( SELECT Book_ID FROM Temp_Order WHERE Temp_Order.User_ID = 25 AND Temp_Order.OrderDate='3/24/2010' ) this is the date function i used. but it takes the time also. how to stop it. please help me SELECT Book_ID, BookName,Author,BookPrice FROM Book INNER JOIN FavCategory ON Book.Category_ID = FavCategory.Category_ID WHERE FavCategory.User_ID = " + useridlabel.Text + " AND OrderDate = **GETDATE()**

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  • Oracle SQL: Query results from previous X isoweeks () (where X might be > 52)

    - by tommy-o-dell
    How could I adapt this query to show the previous 61 weeks? (still exlcluding the current week). My query currently shows me the total weekly sales for 2010 grouped by ISO Week and ISO Year (exlcuding the current week). select to_char(order_date,'IYYY') as iso_year, to_char(order_date,'IW') as iso_week, sum(sale_amount) from orders where to_char(order_date,'IW') <> to_char(SYSDATE) and to_char(order_date,'IYYY') = 2010 group by to_char(order_date,'IYYY') to_char(order_date,'IW') I realize I could probably just omit the "2010" requirement, order by desc and limit results to a certain bnumber of rows. But that just doesn't seem right! Much appreciate any help pointing me in the right direction!

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  • how to filter an id for subcategory in sql

    - by Naim Nsco
    i have create one table with A is 1,2,3 and B is 3,5,5,9,10,10 For example, i want to change from this table NP A B C 1 1 3 why not 1 1 5 weigh 1 1 5 hello 1 1 9 no way 1 1 10 now or never 1 1 10 float the boat, capt ain 1 1 12 no nelp 2 2 4 why 2 2 6 way too much 2 2 11 help 3 3 1 not now 3 3 2 not 3 3 7 milky way 3 3 7 this is stupid 3 3 8 one way To be like this:- A B C ---------- -- -------- 1 3 why not 5 weigh 5 hello 9 no way 10 now or never 10 float the boat, capt ain 12 no nelp 2 4 why 6 way too much 11 help 3 1 not now 2 not 7 milky way 7 this is stupid 8 one way How to do like that?. Anyone know about this?.

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  • question in sql server 2005 Proc

    - by bassam
    i have this Proc CREATE Proc [dbo].Salse_Ditail -- Add the parameters for the stored procedure here @Report_Form varchar(1) , @DateFrom datetime , @DateTo datetime , @COMPANYID varchar(3), @All varchar(1) , @All1 varchar(1) , @All2 varchar(1) , @All3 varchar(1) , @All4 varchar(1) , @All5 varchar(1) , @Sector varchar(10), @Report_Parameter nvarchar(max) as BEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. DECLARE @STRWhere nvarchar(max) IF @All5=0 AND @All4=0 AND @All3=0 AND @All2=0 AND @All1=0 and @All=1 set @STRWhere= N'and Sector_id = @Sector' if @Report_Form =1 or @Report_Form =3 or @Report_Form =4 SELECT RETURNREASONCODEID, SITE,SITE_NAME,Factory_id,Factory_Name,Sector_id,sector_name,Customer_name, Customer_id,ITEMID,ITEMNAME,SALESMANID,SALESMAN_NAME,Net_Qty,Net_Salse,Gross_Sales,Gross_Qty, NETWEIGHT_Gross,NETWEIGHT_salse_Gross,NETWEIGHT_NET,NETWEIGHT_salse_NET,Return_Sales,Free_Good, CollectionAmount FROM hal_bas_new_rep WHERE DATAAREAID =@COMPANYID AND INVOICEDATE >= @DateFrom AND INVOICEDATE <= @DateTo and Report_Activti = @Report_Form if @Report_Form =2 SELECT RETURNREASONCODEID , RETURNREASONDESC, SITE , SITE_NAME , Factory_id , Factory_Name , Sector_id , sector_name , Customer_name , Customer_id , ITEMID , ITEMNAME , SALESMANID , SALESMAN_NAME , Return_Sales FROM dbo.hal_bas_new_rep WHERE DATAAREAID =@COMPANYID AND INVOICEDATE >= @DateFrom AND INVOICEDATE <= @DateTo and Report_Activti = @Report_Form and RETURNREASONCODEID in ( SELECT Val FROM dbo.fn_String_To_Table(@Report_Parameter,',',1) ) /* @STRWhere question how i can but the virble here */ end GO i want to but virble put a variable under where Expression and from this function buc I have many function i want to add if any one have answer pls send me

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  • SQL Stored Procedure fired from C# Code-Behind not working on UPDATE

    - by CSSHell
    I have a stored procedure called from a C# code-behind. The code fires but the update command does not get performed. The stored procedure, if run directly, works. I think I am having a brain fart. Please help. :) CODEBEHIND protected void btnAbout_Click(object sender, EventArgs e) { SqlConnection myConnection = new SqlConnection(strConnection); SqlCommand myCommand = new SqlCommand("spUpdateCMSAbout", myConnection); myConnection.Open(); myCommand.CommandType = CommandType.StoredProcedure; myCommand.Parameters.Add("@AboutText", SqlDbType.NVarChar, -1).Value = txtAbout.Text.ToString(); myCommand.ExecuteNonQuery(); myConnection.Close(); } STORED PROCEDURE ALTER PROCEDURE fstage.spUpdateCMSAbout ( @AboutText nvarchar(max) ) AS BEGIN SET NOCOUNT ON; UPDATE fstage.staticCMS SET About = @AboutText; END HTML <asp:Button ID="btnAbout" runat="server" Text="Save" CausesValidation="False" onclick="btnAbout_Click" UseSubmitBehavior="False" /> C# .NET 4.0

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  • Oracle Merge vs Select then Insert or Update

    - by DRTauli
    What is faster? the Merge statement MERGE INTO table USING dual ON (rowid = 'some_id') WHEN MATCHED THEN UPDATE SET colname = 'some_val' WHEN NOT MATCHED THEN INSERT (rowid, colname) VALUES ('some_id', 'some_val') or querying a select statement then using an update or insert statement. SELECT * FROM table where rowid = 'some_id' if rowCount == 0 INSERT INTO table (rowid,colname) VALUES ('some_id','some_val') else UPDATE table SET colname='some_val' WHERE rowid='some_id'

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  • Why won't sql server express 2008 service restart after I enable TCP/IP Protocol?

    - by John
    Whenever I enable TCP/IP connections on my SQL Server Express 2008 database server running on Windows XP SP3, I cannot restart the service, it simply states "The request failed or did respond in a timely fashion". Any suggestions of what I may have configured incorrectly? [update] Here is the applicable part of the Error Log: MSSQL$SQLEXPRESS Server failed to list on 'any' 3060. Error: 0x2747. To proceed, notify you system administrator. MSSQL$SQLEXPRESS TDSSNIClient initialization failed with error 0x2747, status code 0xa. Reason: Unable to initialize the TCP/IP listener. An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full. MSSQL$SQLEXPRESS TDSSNIClient initialization failed with error 0x2747, status code 0x1. Reason: Initialization failed with an infrastructure error. Check for previous errors. An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full. MSSQL$SQLEXPRESS Could not start the network library because of an internal error in the network library. To determine the cause, review the errors immediately preceding this one in the error log. MSSQL$SQLEXPRESS SQL Server could not spawn FRunCM thread. Check the SQL Server error log and the Windows event logs for information about possible related problems.

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  • Sql join, 2 tables, same fields

    - by Lobuno
    I have 2 tables. To simplify: Table 1, users: userId int, userName nvarchar(50) Table 2 , messages: msgId int, msgFrom int, msgTo int... msg1 and msg2, both contain userId. Now I want to get all messages, but instead of the msgFrom I want the user name. I know what to do here: select tabMessages.*, tabUsers.userName as Sender from tabMessages inner join tabUsers on msgFrom=userId where msgId = @someParameter; Everything works fine and dandy. The same to get the user name instead of msgTo. Now the problem is, how do I do to get BOTH fields in the same call? I want to get the table as msgId, msgFrom, msgTo, Sender, Recipient. I have tried as: select tabMessages.*, tabUsers.userName as Sender, tabUsers.userName as Recipient from tabMessages inner join tabUsers on msgFrom=userId and msgTo=userId where msgId = @someParameter; but that doesn't work. I'm using Ms sql2000 by the way.

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  • How i can do the following querry to get needed information

    - by Night Walker
    Hello there I have two tables CompList table with following columns : CompId , McID , station , slot ,subslot , and several others BookingTable with columns: CompId , LineID , McID , station , slot ,subslot. I want to get following result: rows only that CompList.CompId == BookingTable.CompId (only CompId that is in both tables) and i need in the result columns from CompList: CompId , McID , station , slot ,subslot . and from BookingTable: LineID , McID , station , slot ,subslot and how i will be able to distinguish between same columns with same table in the result table them in the result table? Thanks for help.

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  • Figuring out the resource a lock in SQL Server 2000 affects

    - by Michael Lang
    I am adding a simple web-interface to show data from a commercial off the shelf (COTS) application. This COTS issues locks on any record the user is actively looking at (whether they intend to edit and update it or not). I have found sp_lock and the Microsoft sp_lock2 scripts and can see the locks, so that's all well and good. However, I cannot figure out how I can tell if a specific record I am about to update has been affected by one of these locks. If I submit the update request and there is in fact a lock, the web-interface will wait indefinitely until the user closes the window in the COTS. How can I either: a) determine before issuing an update that the record has been locked OR b) issue an update that will immediately return with a LOCKED status rather than indefinitely waiting on the COTS user to close their window on that record?

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