Explanation Wanted About The Service Principal Name ( SPN )
Jun 26, 2007
Hello,
In the ErrorLog of my Sql Server , i found this line :
2007-06-26 05:35:18.37 Serveur The SQL Network Interface library could not register the Service Principal Name (SPN) for the SQL Server service. Error: 0x54b, state: 3. Failure to register an SPN may cause integrated authentication to fall back to NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies.
Operating System XP Home SP2
SQL Server 2005 Express Edition with Advanced SP1 )
( idem for another workstation with XP Pro SP2 and same version of SQL Server 2005 Express
My problem is :
i want use the windows authentification but my computers are on Worhkgroup linked by a router ( no window server )
i have read that's possible to connect from a remote computer to a computer having a SQL Server 2005 Express through SPN
How can i do it ? ( activating NTLM ? but how ?)
I'm writing a C# program which must be executing on several computers with a SQL Server 2005 Express installed on a particular computer. These computers will belong to a domain of Windows Server 2003.
As i can't connect to this "normal" network, i am trying to simulate this network at home because i want to test this program and especially the possible locks problems.
I don't know whether i'm querying with the "correct" forum.
I have a problem that has happened a couple of times now. I'm in the process of testing our 2005 deployment - Standard edition on 2003 x64 servers for principal and mirror and 2005 express witness. All are pre SP1. Two databases are being mirrored.
I have successfully set up mirroring which seems to work fine - but when I restart the MSSQL service on the principal, spurious things happen:
The server that *was* the principal before restart
database A is in (Mirror, Disconnected / In Recovery) state database B is in (In Recovery)
The server that *was* the mirror:
database A is in (Principal, Disconnected) database B is in (Principal, Disconnected)
I can connect to both servers via Studio Manager and when I try to go to the current principal database to stop mirroring, the Studio Manager hangs and becomes non-responsive.
We have mirroring setup for 5 dbs, 4 of which are synchronized and 1 which is in "synchronizing" state on the principal and "restoring" state on the mirror. Mirroring for all dbs has been working fine for the past several months and we have a witness that has allowed automatic failover in the past without problems.
This database has several bulk inserts performed throughout the day and am sure there is some latency due to the size of these transactions.
Not sure as to why this is happening all of a sudden, but the db in question has been in this state for the past 12 hrs. I checked the mirroring status on the principal and it states that it is "synchronizing: data is being transferred from principal to mirror", but the mirror server states that db is in "restoring" state. Can anyone suggest as to how I can get the database on the mirroring server to get back to "mirror, synchronizing/restoring..." state? Or suggest on how I can troubleshoot this?
Hi, I have a project that has been given to me and need help please. The complete class is as follows Public Class CarAccessData Public Function Getcarinfo() As List(Of CarInfo) Dim AllCarInfo As New List(Of CarInfo) Dim SQL As String SQL = "SELECT [SKU], [CarMake], [CarModel], [Carprice]" Dim MyConnection As SqlConnection MyConnection = New SqlConnection(ConfigurationManager.ConnectionStrings("AntConnectionString1").ConnectionString) Dim aCmd As SqlCommand aCmd = MyConnection.CreateCommand aCmd.CommandText = SQL aCmd.CommandType = CommandType.Text Dim aDataReader As SqlDataReader Try MyConnection.Open() aDataReader = aCmd.ExecuteReader While aDataReader.Read() AllCarInfo.Add(New CarInfo(aDataReader)) End While Catch ex As Exception Throw ex Finally aDataReader.Close() MyConnection.Close() End Try Return AllCarInfo End Function End Class
The bit I dont quite understand is the following snippet from above
Dim aCmd As SqlCommand aCmd = MyConnection.CreateCommand aCmd.CommandText = SQL aCmd.CommandType = CommandType.Text Dim aDataReader As SqlDataReader Try MyConnection.Open() aDataReader = aCmd.ExecuteReader While aDataReader.Read() AllCarInfo.Add(New CarInfo(aDataReader)) End While Catch ex As Exception Throw ex Finally
Can anyone explain this in real ABC style step by step please, just so I can start to understand this, ( I am quite new to this) many thanks, Anteater
the statement if ((columns_updated() & 2 + 4 + 8)) > 0) is supposed to tell me if the 2nd, 3rd or 5th columns were updated. My question is, what desginates the column 2,3,5, when 2,4,8 are in the statement
I am having some problems with transactions, although it seems that the problem exists within the vb code making the db call it may be that sql is the source of the problem.
1. There is a number of stored procs that contain transactions most of which are inserts followed by a select statement to retrieve the most recently added ID. So to start with is a select the best way or is the @@Identity. I have read the @@Identity is global, so for a external server that is running a number of databases I stayed away from it. Did I take the right actions or is there a better way?
2. Is having sql transactions within a call from vb.net ok? I know that the sqlClient class doesn't support nested transactions, but does that include transactions within sql?
3. if a stored proc is called, from vb contained in a sqlClient transaction, are ALL the calls from within the sproc able to be rolled back?
If there is a reliable way to obtain the Identity without containing it in a transaction, and having the internal sql transactions in the problem, then I am home free, so I am hoping this is the case.
PREDICATESUsed as a clause.A. What does PREDICATES mean?B. What does it mean when used in a where clause?I checked BOL (Glossary) but get no explanation there.ThanksJay
I am wondering what are od1 and od2 used for in SQL Queries? Are they used for joining... can anyone explain their significance in the queries below... (especially the commands in red)
USE Northwind SELECT OrderID, CustomerID FROM Orders o WHERE 20 < (SELECT Quantity FROM [Order Details] od WHERE o.OrderID = od.OrderID AND od.ProductID = 23)USE Northwind SELECT DISTINCT ProductName, Quantity FROM [Order Details] od1 JOIN Products p ON od1.ProductID = p.ProductID WHERE Quantity = (SELECT MAX(Quantity) FROM [Order Details] od2 WHERE od1.ProductID = od2.ProductID)
Ok guys I have read everything in my previous post but unfortunately can not seem to get it to work properly. Would anyone like to do this 10 minutes work (I am sure). Obviously I dont expect it to be free but if I continue I am going to get a sledge hammer to this now.
In T sql for sql server, what is the technical difference between thecomparisons "is" and "="for example:set @test = nullprint @test is null -> trueprint @test = null -> false
Ok, here is a asample table representing the problem more clearlyA | B | C | D-----------------a1 b1 c1 d1a1 b2 c2 d2a3 b3 c1 d3a4 b4 c4 d3a5 b5 c5 d5a6 b6 c6 d3Tha duplications are:row 1+2 in param Arow 1+3 in param Crow 3+4+6 in param Donly row 5 is unique in all parameters.conclusion: row 1+2+3+4+6 are the same usergoal: to find all duplicated rows & to delete them all accept oneinstance to leave.Note:Finding that row 1similar to 2 in A & deleting it will loose databecause we won't know that row 1 is ALSO similar to 3 on C & later onfinding that 3 is similar to 4 & 6 on D & so onThe simple time consuming (about 2 weaks) query to acomplish the taskis:SELECT count(*),A.B,C,DFROM tblGROUP BY A,B,C,DHAVING count(*)>1I THANK YOU ALL
Hi, does somebody recognize the problem with my code? -Thanks! Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: This is an unexpected token. The expected token is 'NAME'. Line 58, position 52.Source Error: <sessionState mode="SQLServer"stateConnectionString="Jensen"sqlConnectionString= "datasource=Database;userid=username;password=pass"cookieless="false"timeout="60"/>
Always looking for people who are strong with microsoft technology for new oppurtunities in the Seattle area. If you are good, we can help you find your ideal next position.
I am looking for strong SQL developers and/or DBA's for some really sweet companies here in Seattle. Anyone interested that is good and wants to hear about new oppurtunities? I would love to help you out.
In the First DELETE and bcp I was getting the thread being launched by xp_cmdshell was being blocked by the parent thread...
put in WAITFOR...sometime it worked...started with an empty table..it worked....left the 28k rows, blocked...
Now, put SELECT COUNT(*)...works each and every g-d damn time...
HUH?
Now I get to the bcp out..
added the same code WAITFOR/SELECT *...
blocks each and ever g-d damn time....
I'm very reticent to COMMIT and start another tranny block...
Anyone have any ideas?
SET NOCOUNT ON
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[wrk_DataHold]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[wrk_DataHold] GO
CREATE TABLE wrk_DataHold(Col1 varchar(8000)) GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[wrk_OldNew]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[wrk_OldNew] GO
CREATE TABLE wrk_OldNew(Old varchar(255),New varchar(255)) GO
INSERT INTO wrk_OldNew(Old,New) SELECT 'SEVERAL EE~S', '' GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[usp_ModifyRows]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) drop procedure [dbo].[usp_ModifyRows] GO CREATE PROC usp_ModifyRows @Path sysname , @FName sysname AS
SET NOCOUNT ON
BEGIN TRAN
DECLARE @cmd varchar(8000), @Servername sysname, @rc int, @error int, @rowcount int , @Old varchar(255), @New varchar(255), @x int
CREATE TABLE #bcpLog(Col1 varchar(8000))
SET @rc = 0
DELETE FROM wrk_DataHold
SELECT @error = @@error, @rowcount = @@ROWCOUNT IF @error <> 0 BEGIN SET @rc = -1 GOTO usp_ModifyRows_Error END
SELECT @x=COUNT(*) FROM wrk_DataHold WAITFOR DELAY '000:00:10'
SET @cmd = 'bcp wrk_DataHold in ' + @Path + @FName + ' -S ' + @@SERVERNAME + ' -U -P -c' INSERT INTO #bcpLog(Col1) EXEC master..xp_cmdShell @cmd
DECLARE OldNew CURSOR FOR SELECT Old, New FROM wrk_OldNew
OPEN OldNew
FETCH NEXT FROM OldNew INTO @Old, @New
WHILE @@FETCH_STATUS = 0 BEGIN
UPDATE wrk_DataHold SET Col1 = REPLACE(Col1,@Old,@New) WHERE Col1 LIKE '%'+@Old+'%'
SELECT @error = @@error, @rowcount = @@ROWCOUNT IF @error <> 0 BEGIN SET @rc = -1 GOTO usp_ModifyRows_Error END
INSERT INTO #bcpLog(Col1) SELECT 'REPLACE "'+ RTRIM(@Old) + '" With "' + RTRIM(@New)+ '"' UNION ALL SELECT '('+CONVERT(varchar(25),@rowcount)+' row(s) affected)'
FETCH NEXT FROM OldNew INTO @Old, @New END
CLOSE OldNew DEALLOCATE OldNew
SELECT @x=COUNT(*) FROM wrk_DataHold WAITFOR DELAY '000:00:10'
I have a SQL Server (Express) database that I use in a Visual Studio (Visual Basic) 2005 application.
The application is of the Decision Support type, that routine deletes the contents of some of the database tables and then re-populates them with new data. There is no reason for keeping the "old" contents and no reason to restore the old content.
(It does this using "BULK INSERT" statements, as in:
"BULK INSERT SharePrices FROM "C:SharePrice.txt")
Because of all the data replacing, the log file gets huge quickly. I don't need the log file at all.
(I suspect that the logging is also taking up time unncessarily.)
Is there any way I can set the database not to have a log file at all, or to have a small log file?
(I've tried deleting the log file from SQL Server Management SQL Express, but get a message that there has to be a log file.)
When I restrict the log file size, my application returns error messages that the log file is too small, and the application can't do what it needs to do.
I have already made sure that in the database that the recovery mode is set to "Simple" and that "AutoShrink" is set to true.
I've tried manual "Shrinks". These work. However, as soon as the application accesses the database, the log file gets huge again.
I realise I may have to do (unnecessary) backups before/after my bulk insert statements. If so, I'd appreciate some help on how to do this from within a Visual Basic 2005 application. (I'm actually using the Data Access block from the Enterprise Library for my data access.)
Can anybody provide sample t-sql procedures coding to do the following tasks?
I want to call a sql stored procedures with parameter passing. I write down the pseudo codes as follows:
In the SQL server side, write a stored procedure which performs the following:
With input parameter "ABCDE"; execute SQL statement "select * from table A where tableA.field B = "ABCDE"; For each record from the result of the above SQL statement, "select * from tableB where tableB.field C=tableA.fieldX" if the record can be found in tableB, "update tableB set tableB.fieldD=something"; if the record cannot be found in tableB, "insert a new record in tableB"
My actual application requirement is that I have an input file of over hundred thousand records which acts as a primary file to update or to add records to another file. My client side application, which is VB.NET, call a sql procedures once to perform this task. I don't want the VB.NET program to loop through all the input records and call a sql procedure a hundred thousand times!
What do each of these files contain? I can figure out that the main database is the DB_Data.DAT, but why is the transaction log a .DAT and why is there four files instead of two? etceterea.
I went to Microsoft to find some info about the function Instr. I need to perform a search with a string similar to their example I found below. Can anyone explain to me Microsoft's example?? I am little confused by the parameters used and the explanation it gives back to me??
Dim SearchString, SearchChar, MyPos SearchString ="XXpXXpXXPXXP" ' String to search in. SearchChar = "P" ' Search for "P". MyPos = Instr(4, SearchString, SearchChar, 1) ' A textual comparison starting at position 4. Returns 6. MyPos = Instr(1, SearchString, SearchChar, 0) ' A binary comparison starting at position 1. Returns 9. MyPos = Instr(SearchString, SearchChar) ' Comparison is binary by default (last argument is omitted). Returns 9. MyPos = Instr(1, SearchString, "W") ' A binary comparison starting at position 1. Returns 0 ("W" is not found).
My problem is this:
I need to scan within SearchString for blanks/spaces characters. When I find one, then place the values to the left and right of it in seperate columns. For example, I would need to scan 'John Smith A' and then place 'John' in FirstName column, 'Smith' in LastName column, and 'A' in MidName column.
I think this is how my code would read, but I am confused on how to place the results into my table to the correct columns?
my search string would be SearchString = 'John Smith A' my SearchChar would be SearchChar = ' ' (note I am searching for a space/blank character)
So would then my code be like:
Dim SearchString, SearchChar, MyPos SearchString = 'John Smith A' SearchChar = ' ' MyPos = Instr(1, SearchString, SearchChar, 0)
How do I get whatever is returned from the Instr function to a column in a table??
We've read about a single installation of SSIS applies to all SQL instances on a server. We've also read how by default SQL Server stores SSIS packages in the MSDB database on the default instance and if you want to have packages stored on a named instance you must modify msdtssrvr.ini.xml. Here are our questions.
1 - If msdtssrvr is modified to reference a named instance, such as <ServerName>SQLTESTINST1<ServerName>, when I connect to Integration Services through Management Studio do I still specify the default instance name in the login window? That's the only way we have been able to connect and despite specifying the default instance name, the packages displayed are those of the named instance.
2 - If I am correct that you must always specify the default instance name when connecting to Integration Services, then in order to eliminate confusion regarding what SQL instance's SSIS packages I am viewing under the folder structure I can create SQL Server folders by modifying msdtssrvr.ini.xml. For example:
I then restart the SSIS service and can now see the following folder structure.
Running Packages Stored Packages
+ File System + MSDB + MSDB-INST1 + MSDB-INST2
If I expand MSDB-INST1 I will only see packages saved on the instance named INST1. The same is true for INST2. If I expand MSDB I will only see packages saved on the default instance.
I am reading DataMining Tutorial and right now I am at the Mining Algorithms section. I cannot understand any of the algorithms. For example take the following text... what a bunch of mouthful bla bla bla it is ....
"The Microsoft Decision Trees algorithm supports both classification and regression and it works well for predictive modeling. Using the algorithm, you can predict both discrete and continuous attributes. In building a model, the algorithm examines how each input attribute in the dataset affects the result of the predicted attribute, and then it uses the input attributes with the strongest relationship to create a series of splits, called nodes. As new nodes are added to the model, a tree structure begins to form. The top node of the tree describes the breakdown of the predicted attribute over the overall population. Each additional node is created based on the distribution of states of the predicted attribute as compared to the input attributes. If an input attribute is seen to cause the predicted attribute to favor one state over another, a new node is added to the model. The model continues to grow until none of the remaining attributes create a split that provides an improved prediction over the existing node. The model seeks to find a combination of attributes and their states that creates a disproportionate distribution of states in the predicted attribute, therefore allowing you to predict the outcome of the predicted attribute"
In the above text what is meant by discrete and continious attributes? what is regression? what is predicted attributes? what are input attributes? what is distribution of states?
Is there a source which explains these algorighms in a easier way ....
I've been reconfiguring my Windows service accounts for the SQL Server service and the SQL Agent service to comply with the security best practices for SQL Server 2005. Specifically, I created two new network accounts. One account runs the SQL Server service, the other runs the SQL Agent service.
I have a table called tblsample, where i have information stored row wise. Ther four quarter information is stored for many years. I want those information column wise for a given year.
say
select col1, col2 from tblsample where rqtr=1 and ryear = 2000 select col1, col2 from tblsample where rqtr=2 and ryear = 2000 select col1, col2 from tblsample where rqtr=3 and ryear = 2000 select col1, col2 from tblsample where rqtr=4 and ryear = 2000
hi! I'm still fairly wet behind the ears when it comes to databases, especially sql server 2000. But I just got a copy from my University and I really want to spend some time messing with it. The first thing I want to try is making a shopping cart that stores the items in the database rather than in the session. I'm using asp.net (VB) and I had previously made a simple shopping cart for a SMALL site that stored all the information in a dataset stored in the session... but I've been told that isn't a good idea and reccomended I store the data in the sql database. so that's what I want to do!
I'm looking for resources that can help me get this started. These are the first questions I have about this approach, and any advice from you experts would be most appreciated!
1) do I store the data in a temporary table or do I use the regular table and make temporary rows? if the former how do I transfer the rows from the temp table to the order table? if the latter how do I change it from temporary to peromanent? in either case, how do I eliminate rows if the user abandons their cart?
2) how do I first initialize an order and keep track of the orderID for each user and ensure that no one is assigned a duplicate orderID?
those are my biggest confusions about this approach. I've looked for books on this but most are either too much about sql syntax and big-time server management, or they are too general and not specific to sql server. I've tried looking online, but I can't find much information on doing this using asp.net 2.0. thanks again for your help!
I'm new to SSIS (and quite new to SQL Server). I have a process which I'd like to automize via SSIS - just don't know how and couldn't figure it out yet by playing around with the program. Shouldn't be too difficult though.
First of all, that's the process as I do it now:
1) Load several flatfile sources (dumps of SQL tables) into an SQL database. 2) Add identifier rows (to some tables), set the primary and foreign keys so the database is "recreated" and I can work on it. 3) Do several simple transformations, aggregations and selects across tables and finally write a new table containing information for reporting stuff.
I succeded in loading flatfiles within the data flow view, doing some transformations and saving the output to a flatfile. What I didn't find out: how can I "recreate" the database enabling me to perform "SELECT/FROM/WHERE" statements across tables? Will I have to write the imported files to tables within a db (how?) or can I avoid this step?
A little guide (newbie friendly) would be great help!
I created a report which has duplicates on one field. I want the report to display the duplicates, but cannot figure out how. Anywhere I have found where there is a "Hide Duplicates" option I have it turned off (in matrix properties), but the report matrix still hides the duplicates. I don't understand why this would happen since the other fields on the same record are not duplicates. I tried grouping but that was no help.
The query in the dataset DOES return the duplicates as expected.
If you know the answer please explain what you're doing if possible, that'll help me :)I have the following tables:CREATE TABLE [dbo].[tblUserData]( [UserCode] [int] IDENTITY(1,1) NOT NULL, [UserName] [nvarchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL, [DisplayName] [nvarchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,) ON [PRIMARY]CREATE TABLE [dbo].[tblFriends]( [UserCodeOwner] [int] NOT NULL, [UserCodeFriend] [int] NOT NULL, [createdate] [datetime] NOT NULL CONSTRAINT [DF_tblFriends_createdate] DEFAULT (getdate())) ON [PRIMARY]in tblFriends relations are stored twice, so for a relation between user 5 and 6, there will be 2 rows: 5-6 and 6-5Now, I want to get the columns (UsercodeOwner,UsercodeFriend,createdate,username,displayname) for relations that were created in tblFriends in the last 10 days for the FRIENDS of a person with usercode 5.Example:tblUserdata5 peter Petertje6 john Johnny11 simon SimonSays15 monique MontjetblFriends5 6 'createdate 30 days ago'5 11 'createdate 5 days ago'6 5 'createdate 30 days ago'6 11 'createdate 3 days ago'6 15 'createdate 7 days ago'11 5 'createdate 5 days ago'11 6 'createdate 3 days ago'15 6 'createdate 7 days ago'The resultset for a query on usercode 5 would now be (usercode1, username1, displayname1,usercode2, username2, displayname2,createdate):6 john Johnny 11 simon SimonSays 'createdate 3 days ago'6 john Johnny 15 monique Montje 'createdate 7 days ago'As you can see each relation is only returned twice even though there are always two entriesWhat would be the SQL statement, if possible without temp table..Thanks!
I am getting a new server online at a customer, and our system shows very funny erorrs under full load. No explanations could be found. Anyone has some? Here we go: Server failed to resume the transaction, desc: 360000054a. The transaction active in this session has been committed or aborted by another session., at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() and New request is not allowed to start because it should come with valid transaction descriptor. System.Data.SqlClient.SqlException I am a little lost on those. Simple fact is that I do not find any description of those. Anyone an idea what causes these?
Hi,I can see that by using the object ID rather that the object name, thefollowing SQL query works. Has anybody got any idea what is causing theerror?-- Works OKselect o.id,checksum_agg(binary_checksum(m.text))from sysobjects o,syscomments mwhere o.id = m.idand o.xtype in ('FN','IF','P','TF','TR','V')group by o.id-- Error-- Server: Msg 1540, Level 16, State 1, Line 1-- Cannot sort a row of size 8096, which is greater than the-- allowable maximum of 8094.select object_name(o.id),checksum_agg(binary_checksum(m.text))from sysobjects o,syscomments mwhere o.id = m.idand o.xtype in ('FN','IF','P','TF','TR','V')group by object_name(o.id)-- Error-- Server: Msg 1540, Level 16, State 1, Line 1-- Cannot sort a row of size 8096, which is greater than the-- allowable maximum of 8094.select o.name,checksum_agg(binary_checksum(m.text))from sysobjects o,syscomments mwhere o.id = m.idand o.xtype in ('FN','IF','P','TF','TR','V')group by o.name-- Workaroundselect getdate(),object_name(x.id),check_sumfrom (select m.id,checksum_agg(binary_checksum(m.text)) as check_sumfrom syscomments minner joinsysobjects oon m.id = o.idwhere o.xtype in ('FN','IF','P','TF','TR','V')group by m.id) as xRegardsLiam
The results we got are a model with intercept only. if we don't use the nested variable (the red line) we get a rigth model . (we had more variable ....)
