Cannot Reuse Database Name After Deleting Old One
Apr 19, 2008
Hi. I'm starting to try out LINQ to SQL, and so I'm using SQL Express (on Vista) to experiment. My problem is that once I create and delete a database, I can never use the name again. If, after deleting the old database, I try to create another one with the same name (say Acct1), I get "Create failed for Database 'Acct1'. An exception occurred while executing a Transact-SQL statement or batch. The logical file name "Acct1" is already in use. Choose a different name. Error: 1828"
I am trying to create the database in SQL Server Management Studio Express. That database name does not appear in the list of databases: there is only AdventureWorks and the system databases. The .MDF and .LDF files have been deleted. Not just sent to the recycle bin, but permanently deleted.
I have already used up Acct1, Acct2, and Acct3, just to try out different scenarios. Each time, I delete the old database before trying to create a new one with the same name, but I am forced to always supply a new, different name. I have checked the directory with hidden files and system files showing to be sure there is no old file lurking there somewhere.
Is there a way to delete these old "logical file names"? I can't even find any reference to their existence except for the message that says they are already in use.
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Aug 9, 2007
Hi
i have to delete the master table data without deleting the child table records,is there any solution for this, parent table has relation with the child table.
regards
vinod.t.v
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Jul 18, 2014
/****** Object: StoredProcedure [dbo].[dbo.ServiceLog] Script Date: 07/18/2014 14:30:59 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER proc [dbo].[ServiceLogPurge]
-- Purge records dbo.ServiceLog older than 3 months:
-- Purge records in small portions to avoid locking production tables
-- for a long time. The process takes longer, but can co-exist with
-- normal usage of the tables.
[Code] ...
*** Getting this error below when executing the code ***
Msg 102, Level 15, State 1, Procedure ServiceLogPurge, Line 45
Incorrect syntax near 'Failed:'.
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Apr 30, 2007
Dear Folks,
I'm getting the error with application like this..............
"the transaction log for database "mydatabase" is full.....to find out why space in the log can not be reused, see the log_reuse_wait_desc column in sys databases. "
I've checked with the column, there are totally 3 options.(I've checked with all other databases)
1)checkpoint,
2)log_backup,
3)nothing
what can i choose for this error to be suppressed?
actually there was log_backup option.
please guide me in this regard.........
thanks in advace.
Vinod
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Mar 24, 2008
hi I Cant delete items in my grid view.. here is my code
"
DeleteCommand="DELETE FROM [aspnet_Membership] WHERE [UserId = @UserId]" SelectCommand="SELECT First, Last, Email, CreateDate, IsApproved, IsLockedOut FROM aspnet_Membership">
when i run it.. and clicked the delete button.. this appears:
Server Error in '/mapuaResearch' Application.
--------------------------------------------------------------------------------
An expression of non-boolean type specified in a context where a condition is expected, near 'UserId = @UserId'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: An expression of non-boolean type specified in a context where a condition is expected, near 'UserId = @UserId'.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SqlException (0x80131904): An expression of non-boolean type specified in a context where a condition is expected, near 'UserId = @UserId'.]
System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +95
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +82
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +346
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +3430
System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +186
System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +1139
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +334
System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +407
System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +149
System.Web.UI.WebControls.SqlDataSourceView.ExecuteDbCommand(DbCommand command, DataSourceOperation operation) +493
System.Web.UI.WebControls.SqlDataSourceView.ExecuteDelete(IDictionary keys, IDictionary oldValues) +922
System.Web.UI.DataSourceView.Delete(IDictionary keys, IDictionary oldValues, DataSourceViewOperationCallback callback) +176
System.Web.UI.WebControls.GridView.HandleDelete(GridViewRow row, Int32 rowIndex) +914
System.Web.UI.WebControls.GridView.HandleEvent(EventArgs e, Boolean causesValidation, String validationGroup) +1067
System.Web.UI.WebControls.GridView.RaisePostBackEvent(String eventArgument) +215
System.Web.UI.WebControls.GridView.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +31
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +32
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +244
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3839
--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:2.0.50727.832; ASP.NET Version:2.0.50727.832
PLEASE HELP ME!!!!! TNX
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Nov 23, 2004
Edited by SomeNewKid. Please post code between <code> and </code> tags.
I have added a delete button to my datagrid, and put in what I think is the code to delete a member from the database at their Member ID, however when I have called a members details and the delete button is pressed, nothing happens!!??
Any ideas?
Here is the code:
<%@ Page Language="VB" %>
<script runat="server">
' Insert page code here
'
Function GetMember(ByVal iD As Integer) As System.Data.SqlClient.SqlDataReader
Dim connectionString As String = "server='localhost'; trusted_connection=true; Database='adp1SQL'"
Dim sqlConnection As System.Data.SqlClient.SqlConnection = New System.Data.SqlClient.SqlConnection(connectionString)
Dim queryString As String = "SELECT [oga].* FROM [oga] WHERE ([oga].[ID] = @ID)"
Dim sqlCommand As System.Data.SqlClient.SqlCommand = New System.Data.SqlClient.SqlCommand(queryString, sqlConnection)
sqlCommand.Parameters.Add("@ID", System.Data.SqlDbType.Int).Value = iD
sqlConnection.Open
Dim dataReader As System.Data.SqlClient.SqlDataReader = sqlCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection)
Return dataReader
End Function
Sub dgMember_Delete(sender as Object, e as DataGridCommandEventArgs)
dgMember.EditItemIndex = -1
dgMember.DataSource = GetMember(memberID.Text)
dgMember.DataBind()
End Sub
Sub btnView_Click(sender As Object, e As EventArgs)
dgMember.DataSource = GetMember(memberID.Text)
dgMember.DataBind()
End Sub
Sub dgMember_SelectedIndexChanged(sender As Object, e As EventArgs)
End Sub
Function DeleteMember(ByVal iD As Integer) As Integer
Dim connectionString As String = "server='localhost'; trusted_connection=true; Database='adp1SQL'"
Dim sqlConnection As System.Data.SqlClient.SqlConnection = New System.Data.SqlClient.SqlConnection(connectionString)
Dim queryString As String = "DELETE FROM [oga] WHERE ([oga].[ID] = @ID)"
Dim sqlCommand As System.Data.SqlClient.SqlCommand = New System.Data.SqlClient.SqlCommand(queryString, sqlConnection)
sqlCommand.Parameters.Add("@ID", System.Data.SqlDbType.Int).Value = iD
Dim rowsAffected As Integer = 0
sqlConnection.Open
Try
rowsAffected = sqlCommand.ExecuteNonQuery
Finally
sqlConnection.Close
End Try
Return rowsAffected
End Function
</script>
<html>
<head>
</head>
<body id="dgMemberInfo">
<font face="arial">
<h1><img src="thlogotop.gif" align="left" /> <img src="thlogotop.gif" align="right" />
<br />
<center><font color="red">T</font>albot <font color="red">H</font>eath <font color="red">O</font>ld <font color="red">G</font>irls <font color="red">A</font>ssociation
</center>
</h1>
<h2 align="center">Delete a Member
</h2>
<asp:HyperLink id="HyperLink1" runat="server" Width="94px" NavigateUrl="Default.aspx">Main Menu</asp:HyperLink>
<hr />
<br />
<br />
<br />
<p align="center">
</p>
<form runat="server">
<br />
<div align="center">Please Enter Member ID :
<asp:TextBox id="memberID" runat="server"></asp:TextBox>
</div>
<br />
<br />
<br />
<br />
<div align="center">
<asp:Button id="btnView" onclick="btnView_Click" runat="server" Width="204px" Text="View Member Details"></asp:Button>
</div>
<br />
<br />
<p align="center">
<asp:DataGrid id="dgMember" runat="server" BorderColor="Black" OnSelectedIndexChanged="dgMember_SelectedIndexChanged" AutoGenerateColumns="False" OnDeleteCommand="dgMember_Delete">
<Columns>
<asp:ButtonColumn Text="Delete" ButtonType="PushButton" CommandName="Delete"></asp:ButtonColumn>
<asp:BoundColumn DataField="ID" HeaderText="ID">
<HeaderStyle font-bold="True" horizontalalign="Center" verticalalign="Middle"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="Member No" HeaderText="Member No">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="Surname" HeaderText="Surname">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="Forenames" HeaderText="Forenames">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="Known as" HeaderText="Known As">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="Title" HeaderText="Title">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="Address" HeaderText="Address">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="Home Tel" HeaderText="Home Tel">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="Email" HeaderText="Email">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="DOB" HeaderText="DOB">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="StartDate" HeaderText="StartDate">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="LeaveDate" HeaderText="LeaveDate">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="clubsoc" HeaderText="Club/Society">
<HeaderStyle font-bold="True" horizontalalign="Center"></HeaderStyle>
</asp:BoundColumn>
</Columns>
</asp:DataGrid>
</p>
<p align="center">
</p>
<p align="left">
<br />
<br />
</p>
<!-- Insert content here -->
</form>
</font>
</body>
</html>
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Mar 14, 2008
I have recently installed SQL server 2005 express edition along with Sql server management studio expressI have run the installation twice and during the installation I have created two instances of SQL server one named instance having Windows authentication and the other default instance having mixed mode authentication. Now I want to delete the named instance. Could anybody tellme I can delete the named instance?
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Apr 25, 2007
It's a pretty basic question but I haven't been able to find any examples out there. I dimmed a dataadapter and would like to reuse later in my code (line 3 in the code below). What is the correct syntax to do this? Dim da As New SqlDataAdapter("SELECT * FROM myTable", conn)da.Fill(myDataTable)da.______ ("SELECT * FROM myTable2", conn)da.Fill(myDataTable2)
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Jul 10, 2004
Hi,
I am getting the following error:
The SqlParameter with ParameterName '@pk' is already contained by another SqlParameterCollection
If I could work out what code to post I would, but I can say that I am managing my Sql data in my code by caching small arrays of SqlParameter objects as pulled from the database. If I need to update the DB I change the cached SqlParameter and re-insert it. If I perform a SELECT I check the cache first to see if I already have the SqlParameter.
However, currently, I am experiencing the above error when performing a select, then later an update, followed by another update.
Would I be correct in saying that a SqlParameter object can only be used once for a database operation and should be discarded? Would I be correct if I said that the SqlCommand object should be discarded? I am barking up the wrong tree entirely?
Distressed in DBLand,
Matt.
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May 1, 2006
I can create a SqlCacheDependency, and link it to a cached item in httpcontext cache. When something change, it will remove the cached item from the cache. I think I have to redo the process when that happens - prepare sql command, create SqlCacheDependency and insert the item into cache. Now I only need a notification from my SQL when something changes in one of my table, I don;t need read anything from db, and I think I should find a way to not recreate the SqlCacheDependency object everytime?
any suggestion?
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Nov 7, 2007
I have an old DATABASE that is not more in use , so I want to drop that database.
But before that I want to check that is there any application running on it or not.
can any one suggest me how to do this?
thanks
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Jul 16, 2013
i am deleating 8 Million rows from my database,I am wondering how to control T-Log,also I heard something about row lock and table lock
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Apr 2, 2006
Hello I have 16000 tables in a sql database and I need a sql query command to delete empty tables from that sql database please help.
F16 LÃ?GHTÃ?NÃ?NNNG
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Mar 6, 2008
I have been trying to develop a simple delete operation in VB using a local SQL Express database located inside the project. My selects, inserts, and updates are working ok, but for some reason my delete doesn't want to work.
I have the database file set to "copy if newer" in the properties and am only using a simple parameterized query to delete. I am not using an bound controls like datagrid and even when I do, the same problem occurs. I am also not using a dataset object.
I have setup a SqlConnection object and a SqlCommand object in my code. The command is set to the Sql text of
Code Snippet
DELETE FROM Providers
WHERE (PaymentDate BETWEEN @StartingDate AND @EndingDate)
In my Database, I have a field called ID which is the primary key and is set as an identity field. PaymentDate is a datetime value and the two parameters "@StartingDate and @EndingDate" are also datetime values passing only the date value from a datetimepicker control in VB.
Code Snippet
SqlCommand1.Parameters("@StartingDate").Value = CType(dateTimePicker1.Text, Date)
. . .
sqlCommand1.ExecuteNonQuery()
and so on.
Anyway, when I run the code, and even when I pass a return value back, it shows it deleted the record without any errors. However, I normally have a query window open selecting all records and before closing the program, I refresh this query and no changes have occurred. The record I tried to delete is still there.
I have tried several time and using several different method (Stored Procedures, databound controls, ete) and am getting the same result each time.
In asking this question in the MSDN VB Forums since I figured it was more than likely a VB problem and not a SQL issue, I was eventually directed here.
For details on the other posting, please see: http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2933961&SiteID=1
Thanks in advanced for the help.
Nate (aka Socnorb)
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Dec 15, 2007
Hello, Can I reuse the deleted primary key id? I'm using SQLServer2005. cheers,imperialx
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Nov 14, 2006
What is the best code pratice to use do the following code,
SELECT
fo.no as LNum,
fo.name as LName,
sum(CASE fo.docnome WHEN "In" THEN fo.etotal ELSE 0 END) as In1,
sum(CASE fo.docnome WHEN "In2" THEN fo.etotal ELSE 0 END) as In2,
sum(In1+In2)/10 as inDec,
from fo group by fo.no,fo.name order by fo.name
instead of
SELECT
fo.no as LNum,
fo.name as LName,
sum(CASE fo.docnome WHEN "In" THEN fo.etotal ELSE 0 END) as In1,
sum(CASE fo.docnome WHEN "In2" THEN fo.etotal ELSE 0 END) as In2,
((sum(CASE fo.docnome WHEN "In" THEN fo.etotal ELSE 0 END))+sum(CASE fo.docnome WHEN "In2" THEN fo.etotal ELSE 0 END)))/10 as inDec,
from fo group by fo.no,fo.name order by fo.name
I cant use functions and procedures. Is there any better and cleaner way to code this, reusing the calculated values?
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Jul 23, 2005
I wonder if there is a solution for this in SQL 2000 (or do I have towait for SQL 2005)?I am currently in the middle of developing a 'Yahoo' style portal whichwill be rolled out in about 20 or so countries. I have set up in SQLServer one database per country. All the portals have the samefunctionality - but show different data.Is it possible to have a single database which holds storedproceedures, functions and views and have the individual countrydatabases use these?Note: I want to avoid using EXEC sp_executesql.I look forward to some good news on this! Thank you in advance.Dadou.
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Jul 29, 2015
with c1 As (
select 1 As '1' , 2 Â As '2' , 3 As '3'
)Â
, c2 As (
select 4 Â As '4', 5 Â As '5', Â 6 As '6'
union all
select 1 , 2 ,3 from c1 Â -- >>>>> Â select from c1 hereÂ
) select * from c2Â
 union all
 select * from c1 -- >>>>>> and select from c1 hereÂ
According to the query above , I try to reuse the subquery by put  the subquery into 'with cte'  name (c1)  then i select this  2 times .
if I do this way , how many time this subquery (c1) execute ?
if 1 time then this is the right way to reuse this subquery .
if 2 times  , it is not then what should i do to reuse this subquery ?
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Nov 26, 2007
I have read the articles posted online concerning different dialog reuse strategies. Most of them create a new table in the sender to hold dialog ids. I was wondering what is wrong, if anything, with the following approach:
Code Block
declare @dlg uniqueidentifier
select top 1 @dlg = conversation_handle from sys.conversation_endpoints where state IN ('CO')
if @dlg is null
begin
begin dialog conversation @dlg
from service [tcp://SFT3DEVSQL01:4022/TyMetrix360Audit/DataSender]
to service '//TyMetrix360Audit/DataWriter','386DDD04-7E55-466A-BE83-37EFC20910B9'
on contract [//TyMetrix360Audit/Contract] with encryption = off;
end
;send on conversation @dlg
message type [//TyMetrix360Audit/Message] (@msg)
Here I simply select a conversation handle directly from the sys.conversation_endpoints table. Can anyone see any issues with this approach?
Thanks in advance....
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Jan 3, 2007
I have been working with SQL for quiet a while but think this perhaps is a very basic question that has always escaped me:
At my work I was exposed to both, MS SQL Server 2000 and Sybase Adaptive Server Anywhere/Sybase SQL Anywhere.
Under Sybase I was able to use aliases in other calculations and filters but i have never been able to do the same with SQL.
Example:
In Sybase I can write this:
Select Price * Units as Cost Cost * SalesTax as TotalTaxFrom Invoice Where TotalTax > 3.5
However if i want to do this in MS SQL 2000 i have to go trough
Select
Price * Units as Cost
Price * Units * SalesTax as TotalTax
From Invoice
Where (Price * Units * SalesTax) > 3.5
In the long run this is costing me a lot of code redundancy, not to mention a debugging nightmare. Is there a way to replicate this alias usage in MS SQL Server?
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Jun 5, 2007
I am working on a project developing a fairly large number of reports with a team of developers. Many of these reports have common elements and code, such as common headers with user-selectable colors. Additionally, many of the common parts of the reports are at mockup stage currently, and many features will have to be added to the reports as time goes on.
We're attempting to create a generalized framework that will minimize the duplication of effort as we develop these reports, and as we go back and modify or fix them later.
What is the best way to approach this?
My first attempt was to create a report template and base all the reports off of the same template. That was fine for the first pass, but as we need to make changes later, they will not be propagated to the already existing reports.
My second attempt was to have each componant of that template reference a subreport, so that changes to the actual report template will be minimized as we go forward. This works great for minimizeing work, but it appears that you lose many features with the use of subreports, and there seems to be a pretty serious performance impact as well. I have posted about one such issue here: Pagination
If anyone has pointers about how to go about this, and where I should start, they would be greatly apreciated!
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Aug 24, 2015
I'm trying to delete some records from some tables in a SQL Server 2008 R2 database. There's a foreign key relationship between the two tables. To make things easier here's the definition of both tables:
-- Parent table
CREATE TABLE [dbo].[PharmInvInItemPackages](
[InventoryInDetailID] [int] IDENTITY(1,1) NOT NULL,
[InventoryInID] [int] NOT NULL,
[ItemPackageID] [int] NOT NULL,
[code]....
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Jun 19, 2014
I have a table in which there is a column of type identity(1,1),in the same table i have bulk data, and i have deleted a row from my table, so now i want to reuse that same Id again, how to do that.
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Mar 4, 2008
Hello,
I have an ID column which is an Identity column, and it counts from 1 upwards.
If I have 10 records, I have ID's number 1 to 10.
If I then add another record, it will give the ID number 11.
Imagine I then delete ID number 9
Is it possible to get the next record I create to take number 9 instead of 12 ?
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Feb 7, 2006
Hello
I have some common functions that i use in several script tasks. How du i store a function globaly so that i can use it from different projects and still only have to edit it one place ?
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Jun 12, 2007
I have several stage to star (i.e. moving data from a staging table through the key lookups into a fact table) ETL transformations in a single SSIS package. Each fact table has a different set of measures but the identical foreign key set, e.g. ConsultantKey, SubsidiaryKey, ContestKey, ContestParamKey and MonthKey.
Currently I have to replicate the key lookup (Surrogate Key Pipeline, or SKP) for each data flow. If I could cache each dimension one time in the package and reuse it for each stage to fact it would be much more efficient.
Is there a way for me to reuse a common data flow?
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Feb 20, 2008
Hi,
I was running out of space and thus deleted some rows from a table. To my surprise the db size increased. I then shrunk it to bring it back to what it was earlier.
When i deleted some 5000 rows, some space must have been released. Where did the space go and why did the db size increase after deleting the records?
I thght it might be log files..but db is set to Simple Recovery which does not utilize a Log File.
Any reasons?
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Jan 25, 2008
I've added a typed DataSet and dragged a table across from the server explorer. When I click configure on the table adapter, then click previous back to the "Choose Your Data Connection" dialog. The only option is the new connection that was just created when I added the sql server to the server explorer. Is there anyway to reuse my existing web.config connection string? My goal is to have a single connection string in my web.config.
Thanks.
-David
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May 2, 2008
I'm trying to implement a configurable way of executing a group of SQL statements using either an Oracle or SQL database as the source for the data.
I'm currently building a connection string with a Script Task and then assigning it to a package variable so that it can be used by a connection manager but this only works with a SQL OLEDB connection.
I'm holding all the connection details in a database table, hence the need for the scripting but would it be possible to extend the task to reuse a single connection manager by changing it's properties?
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May 11, 2007
Hello,
We have a recurring problem with one of our MS SQL Servers (MS SQL Server 2005 SP 1).
The SQL Server serves as a database server for a Web application with approximately 1500 users, the server is dedicated for the DataBase server.
The scenario is that the database servers cpu peaks at 100% and stays there until restart of the SQL Server service.
The error message from the applicatoion log:
Event Type: Error
Event Source: MSSQLSERVER
Event Category: (2)
Event ID: 18056
The client was unable to reuse a session with SPID 94, which had been reset for conection pooling. This error may have been caused by an earlier operation failing. Check the error logs for failed operations immediately before this error message.
SPID varies.
Anybody that knows anything why this error occurs?
Regards
John
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Apr 13, 2006
Hello,
We are running SQL2K5 and have a Web server with a family of sites all sharing an identical connection string to enable ADO connection pooling between them. Today for about 20 minutes we had several (all?) connections from one site that uses a specific DB get a connection reuse error which showed in out SQL logs:
DESCRIPTION: The client was unable to reuse a session with SPID #, which had been reset for conection pooling. This error may have been caused by an earlier operation failing. Check the error logs for failed operations immediately before this error message.
We also have SQL Server slowdown and log in problems from other applications that seemed a symptom of this, or some third unknown cause. Note, the # means the run-time spid number was inserted. The misspelling "conection" comes right out of sys.messages (it is not our custom error):
select top 10 * from sys.messages where message_id = 18056
The immediately preceeding error in the SQL Log was always:
Message
Error: 18056, Severity: 20, State: 29.
Where Severity and State vary, but "Error: 18056" is consistent, although I can find no documentation on "Error: 18056" through Google or MSDN.
Also, the "The client was unable to reuse a session ..." error seems not to be referred to anywhere.
In our IIS logs, the matching entries are of the form:
[DBNETLIB][ConnectionRead (recv()).]General network error. Check your network documentation.
and
Invalid connection string attribute
My questions: Does anyone have experience with this error? We have real good history with ADO connection pooling, but can a "bad" connection be pooled, and if so can it be "flushed" or the pool "drained"?
Thank you for anything you have to offer!
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Aug 24, 2006
I guess this is a fairly common topic but couldn't find the right words to find anything in a search.
What I'm getting at, is there any tsql functions or combination of commands for the following.
You have identity columns in your tables, if you set the a seed and autoincrement, I enter in rows 1 -10 and then I delete 4, 6, 7, 8.
My next new record uses 11. Is there any logic that allows you to check and reuse 4, 6, 7 & 8 described above? Not looking for something that consists of having to create an extra ID table for each table and handle configuring what the next available number is everytime an Insert or delete is called.
Thanks.
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Aug 29, 2007
Hello,
Is it possible to use existing data flow components (Merge Join, aggregation,...) in a custom data flow component?
Thanks,
Yoann
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