Hi, Can anybody please explain me, what is low level and high level locking in SQL Server 2005 database.
Also what is the name of process which converts low level locking into high level locking and vise versa.
-Sanjeev
Hi,
AM in need of SSRS 2005 design documents for a project purpose. Can somebody let me know where can i find these documents? Thanks in advance
The problem that I am having is that with Visual Web Developer I am creating a webpage and having it directly put online, so for example when I start a new ASP.NET page, I select the location to be HTTP, with the location http://MYWEBSERVER/Website and for the language and Visual BasicI notice a couple of things, first that there is no longer a a link under the Main toolbar "Website" selection called the ASP.NET configuration. So how can I configure what I want to have users be able to do? It seems that this choice is only available if I am building the ASP.NET page on my "localhost". So that is the first problem. So I am able to get the pages to work, atleast the things such as the textboxes to show up etc, (Even things as advanced as the "Login" box). How ever when I try to get someone to try to login I am taken to a page that has an server error. The error is:
"The SSE Provider did not find the database file specified in the connection string. At the configured trust level (below High trust level), the SSE provider can not automatically create the database file. "
The Stack Trace Errors are at the bottom. I think this is happening because the automatically generated databases are not getting built online as they are on my computer. On my computer I have MSSQL express. So either the databases are not getting built for some reason, (and I think that is the case as I don't see any in the folder). So I think that somehow I have to create a database on my server, and then somehow configure the ASP.NET file, perhaps in the Web.Config file to look for that new database. Is this the correct methodology? Is there some simpler way that I can just somehow upload things as they are and have them work correctly on my server? The error says that either the Server did not find the database or that the trust level was insufficient. I don't think that is it as I just looked again and I don't see any .MDF files. So how would I go about getting this to work right? Is there a way to do this with MySQL also? So that I don't have to use MSSQL? My server only allows 1 DataBase for that.
Thanks and I hope my question makes sense. It is basically how can I get it to be able to create and check users etc. online?
Brian
[ProviderException: The SSE Provider did not find the database file specified in the connection string. At the configured trust level (below High trust level), the SSE provider can not automatically create the database file.] System.Web.DataAccess.SqlConnectionHelper.EnsureSqlExpressDBFile(String connectionString) +2555237 System.Web.DataAccess.SqlConnectionHelper.GetConnection(String connectionString, Boolean revertImpersonation) +87 System.Web.Security.SqlMembershipProvider.GetPasswordWithFormat(String username, Boolean updateLastLoginActivityDate, Int32& status, String& password, Int32& passwordFormat, String& passwordSalt, Int32& failedPasswordAttemptCount, Int32& failedPasswordAnswerAttemptCount, Boolean& isApproved, DateTime& lastLoginDate, DateTime& lastActivityDate) +1121 System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved, String& salt, Int32& passwordFormat) +105 System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved) +42 System.Web.Security.SqlMembershipProvider.ValidateUser(String username, String password) +83 System.Web.UI.WebControls.Login.OnAuthenticate(AuthenticateEventArgs e) +160 System.Web.UI.WebControls.Login.AttemptLogin() +105 System.Web.UI.WebControls.Login.OnBubbleEvent(Object source, EventArgs e) +99 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35 System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +115 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +163 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102
Hi All
Perfmon shows max 3900 login/sec and avg is 1500.
ASP.NET v 2.0 application uses this SQL 2005 server consists of 10 webservers. Max Pool Size on each was changed today to 300 (was default so I suppose - 100) and it didnt change logins/sec graph at all. Application uses SqlConnection object from ADO.NET v 2.0 obviously.
Can someone explain - what could be reasonable explanation - is load that high? Do we need 3000 as Max Pool Size? (I cant imagine what could be maximum recommended size of pool for W2003 32-bit server)
Thank you
I have a busy transactional table , I wanna use row level locking mechanism in msSQL.
SELECT * FROM PARTY WITH (UPDLOCK ROWLOCK)
where LastName ='Clinton'
is there any downsides of this approach?
I used sp_indexoption to allow row locks and disallow page locks on all indexes of a heavily contented table (lots of concurrent selects/inserts/updates). The first error I saw was "The SQL Server cannot obtain a LOCK resource at this time. Rerun your statement when there are fewer active users or ask the system administrator to check the SQL Server lock and memory configuration.". I restarted the sql server and everything is ok (the server is not very powerful and will be beefed up).
My question is that with the above settings, will the select statements acquire row-level shared locks as well? Since our select queries are fairly complicated, my main concern is that we may frequently run of of resource even with a more powerful machine. Is my concern valid or I got everything wrong?
Thanks a lot.
Hi there,
yes, There is a 'insert row level locking' but
Is there anything for delete or update row level locking?
We keep geting deadlock problem with our application with multi-users. First we ran into the deadlock on INSERT. By setting 'insert row level locking' help us to go a little bit further but later we run into deadlock with DELETE. For my knowlege, DELETE and UPDATE requires exclusive page lock. Might be I am out of date.
Thanks in advance for your help
Tung Nguyen
How do I do row-level locking on SQL Server?Thanks,Nid
View 16 Replies View Relatedin a prior "legacy" life we couldn't imagine 24x7 implementations because it was important to 1) reorganize databases periodically to remove fragmentation that adversely affected performance and 2) back up databases just in case.
In a 24x7 SQL Server 2005 implementation, high level only, how are these and other maintenance related things accomplished with confidence?
I dont think SQL cleanses its own page splits unsolicited. Are DBAs totally reliant on logs in full recovery installations where db must be up 24x7? What if the devices those logs sit on fail? What if the logs become too large? Is it likely that if you want 24x7 you're looking at Enterrise Edition only?
I'm totally aware of and confident in the sliding window partitioning thing but it seems to me there must be more out there in terms of periodic, more frequent maintenance activity.
Hello, we have a customer-facing ASP.NET web reporting application that allows the user to a). select a report b). make report settings (filter, sort, include/exclude columns), and c). run the report. An Oracle stored proc is used to return the data into a DataSet. Today the output is displayed in a bound, paginated DataGrid.
We€™d like to €˜plug-in€™ Reporting Services for improved formatting, grouping, matrix reporting, drilldown, graphics, etc.. I have read through the online docs, examples, and tutorials but have not found the exact (high-level) information I€™m looking for.
We need to keep our report settings page, Oracle SP architecture, etc... Is there a way to simply hand off a dynamically created DataSet to a report for display €“ like binding to the DataGrid? The data (query) would be specific to a report but columns can be selected/unselected for display.
In terms of deployment, is it necessary to install SQL Server in each environment (DEV-Integration, QA, PROD) to support Reporting Services? Since we are essentially an Oracle shop, this could be a tough sell. Is it possible to develop the report on a dev workstation (perhaps with SQL Server), and then publish to a web server where SQL Server is not installed?
These are obviously high-level questions - any help will be appreciated (examples, how-to's, etc..) €“ thanks in advance.
-Bill
I am writing a VB program, which needs to update record A in one table using transaction control (BeginTrans & CommitTrans). But due to the page-level locking, before the "CommitTrans", other users couldn't not read other records in the same table.
Is there any way that I can do the record/row level locking? If possible, could you provide me some VB source code? Such as how to use "DBCC ROWLOCK" or how to set for row-level locking.
Thanks for your kind help.
SQL Server 6.5 on-line help states that IRL is only effective if the table has a unique clustered index defined on the table. IF this true and if so does anyone know why.
thanks,
Stu.
Hi,We have encountered deadlock on a table which is used to generatesequential numbers for different categories eg typical entriesCategory ValueTRADE_NO 1456JOB_NO 267.....The applications reference the relevant category applicable to themand updatethe Value accordingly. This is table is very small, occupying 1 page.However, it has no index as it was not seen to be appropriate for atable this size.However, can someone please advise whether1. An index is required for row level locking2. If an index on a table as small as above is likely to reduce thedeadlock rate.Also, please consider the following but which I am not sure isrelevant for above query.We noted that when we migrated the database concerned from SQL 6.5 toSQL 2000, using DTS, that the database was NOT strictly in SQL 2000format for non clustered indexes (NC) ie the clustered key was notpart of the NC index until the clustered index was rebuilt.Given this should I just rebuild this table with a fake index and dropit thereafter.We are aware of the different techniques used to avoid deadlocks (egtables accessed in same order etc) and have , as much as possible,implemented those practices.I thank you in advance for any help you may be able to offer.ThanksPuvendran
View 12 Replies View RelatedWe have one table.We have updated the status for one column to 1 and we did not committed the transaction. Can we do an another update on another row.
In below example i am updating GEO_D and transaction is not committed. Now my requirement is we have to update other records (not Geo_D). If  try to update GEo_D it should wait.Â
IF OBJECT_ID('TEMPDB..##TEMP_STSTUS') IS NOT NULL
DROP TABLE ##TEMP_STSTUS
CREATE TABLE ##TEMP_STSTUS
(
 ID INT IDENTITY(1,1)
 ,NAME VARCHAR(10)
 ,STSTUS VARCHAR(10)
)
INSERT INTO ##TEMP_STSTUS SELECT 'GEO_D','0'
[Code] ....
I'm running SQL Server 7.0. I have a DB running with 6.5 compatibility mode.
Do INSERT, UPDATE or DELETE queries use row level locking in this DB ?
(I know if I set the db compatibility mode to 7.0 row level locking will be enabled)
Thanks in advance for your help.
I m using sql server 2005
i have got one request ,to apply page level locking on database
can nyone how it is done
i can do that for a single script and for session(transaction isolation level)
but dont know about database level locking scheme
thanks in advance
HiIs it possible to force row level locking in one or more tables insome database. We have some problems when SQL Server decides to choosepage- or table-level locking.We are using SQL Server 2000.Best regardsAarno
View 1 Replies View RelatedHi all
We are writing a web-based multi-user call centre application application.
we are getting concurrency problems as you would expect with a multiuser application.
the application is made for callers who will bring up a different contact to call based on some predefined priority. now because the algorithm that prioritises the contacts takes a good 2 seconds to run, if 2 different caller request for the next prioritised contact, they will retrieve the same contact.
The only way that we think can resolve this problem is by building a queue. The queue would be implemented as a table, the particular implementation of this queue would be, when ever someone retrieves an entry from the queue, a background process will go on and generate a new queued item, i.e. in a FIFO manner. So that's how we think we should implement the queue.
Now come the question how to implement it. My idea is to have row level locking and a trigger to remove queue items from the queue. so that once one caller have looked at one of the item in the queue, another user can't look at the same item.
Any suggestions as to how i might be able to avoid concurrency problems?
What do you all think of my idea of implementing the FIFO queue?/
Is it possible to do row level locking in such a way that other users won't even be able to read the locked entry??
James :)
I am running one maintenance plan which includes just "Chech DB Integrity" and "Reorganised Index". But it failed and I am getting following error:-
 Â
Failed-1073548784) Executing the query "ALTER INDEX [CgiExclusion_ProfileId] ON [dbo].[CgiExclusion] REORGANIZE WITH ( LOB_COMPACTION = ON )" failed with the following error: "The index "CgiExclusion_ProfileId" (partition 1) on table "CgiExclusion" cannot be reorganized because page level locking is disabled.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
I have a question on locking pattern of read committed with snapshot isolation level that when two transaction update two different records then why do they block to each other even if they have previous committed value (old version of record).
I executed the below batch from a query window in SSMS
--Session 1:
use adventureworks
create table marbles (id int primary key, color char(5))
insert marbles values(1, 'Black')
insert marbles values(2, 'White')
alter database adventureworks set read_committed_snapshot on
set transaction isolation level read committed
begin tran
update marbles set color = 'Black' where color = 'White'
--commit tran
Before committing the first transaction I executed below query from second query window in SSMS
--Session 2:
use adventureworks
set transaction isolation level read committed
begin tran
update marbles set color = 'White' where color = 'Black'
commit tran
Here the first session blocks to second session. These same transactions execute simultaneuosly in snapshot isolation level. So my question is why this blocking is required in read committed with snapshot isolation level?
Thanks & Regards,
Subhash Chandra
When I deploy the cube which is sitting on my PC (local) the following 4 errors come up:
Error 1 The datasource , 'AdventureWorksDW', contains an ImpersonationMode that that is not supported for processing operations. 0 0
Error 2 Errors in the high-level relational engine. A connection could not be made to the data source with the DataSourceID of 'Adventure Works DW', Name of 'AdventureWorksDW'. 0 0
Error 3 Errors in the OLAP storage engine: An error occurred while the dimension, with the ID of 'Customer', Name of 'Customer' was being processed. 0 0
Error 4 Errors in the OLAP storage engine: An error occurred while the 'Customer Alternate Key' attribute of the 'Customer' dimension from the 'Analysis Services Tutorial' database was being processed. 0 0
Is it possible to force row level locking in Sql server 2015 before inserting the data and release the same afterwords..find the code for which we would like to impliment the same
DECLARE @TravelAgentid Varchar(20)
DECLARE @Date DATETIME2(7)
DECLARE @InsDate DATETIME2(7)
set @TravelAgentid ='A101'
[code]....
I want to perform column level and database level encryption/decryption....
Does any body have that code written in C# or VB.NET for AES-128, AES-192, AES-256 algorithms...
I have got code for single string... but i want to encrypt/decrypt columns and sometimes the whole database...
Can anybody help me out...
If you have Store procedure in SQL for the same then also it ll do...
Thanks in advance
When you utilize transactions in ADO.NET are the locks put on the entire TABLE used or at the row level?
For instance if you do a SELECT within a transaction if you only pull 5 rows out of a 1000 row table can you just make it lock the rows that have been pulled? It seems like it locks the entire table?
Thanks
Hi..I'd very much appreciate it if someone would tell me how to translatea statement level trigger written in Oracle to its equivalent (if there isone)in MS SQL Server. Ditto for a row level trigger.If this is an old topic, I apologize. I'm very much a newbie to SQL Server.Regards,Allan M. Hart
View 2 Replies View RelatedProblem setting is a geography dimension with multiple user defined hierarchies in SSAS 2008.Â
Ex.:Â
Hierarchy 1 (political territory): level 6 --> level 5 --> level 4 --> level 3 (state) --> level 2 --> level 1
Hierarchy 2 (sales territory): level 4 --> level 3 --> level 2 (sales region) --> level 1
...
Hierarchy 9
The relationship between state and sales region is n:1, i.e. one state belongs to exactly one sales region, and one sales region can consists of one or multiple states.  Unfortunatly I can't define this attribute relationsship in the dimension because it would lead to a diamond-shaped relationsship without a user-defined-hierarchy to back it up. So far that isn't much of a problem, user don't drill down from sales region to state. But now I want to define a calculated member that multiplies a measure from the main measure group with another measure from a weighting factor measure group at the state level and above. The granularity attribute of the geography dimension in the dimension usage tab of the weighting factor measuregroup is the state.Â
So far what I've got is:
CREATE MEMBER Currentcube.Measures.[weighted measure state and above] AS NULL;
SCOPE (Measures.[weighted measure state and above],
Descendants(geography.[political territory].[all member],3,SELF_AND_BEFORE),
Descendants(geography.[salesterritory].[all member],2,SELF_AND_BEFORE),
... Descendants(geography.[hierarchy 9].[all member],1,SELF_AND_BEFORE)); this = sum(existing(geography.[political territory].state.members), measures.[main measure group measure] * measures.[weighting measure group measure]);END SCOPE;
This works from a functional point of view, but is rather slow when querying any other hierarchy than the political territory hierarchy, because SSAS first goes down from the state level to the key attribute of the geography dimension, and then aggregates from there to the sales region.In other words, I want SSAS to resolve the relationsship (which state belongs to which sales region) through the dimension, and not through the fact, and apply the calculation afterwards. Like some kind of currency conversion, but only from a certain level upwards.
Does anyone know if SQL Server 2005 as a built-in way (sp or func) to calculate a row-level CRC?
View 2 Replies View Relatedlets say user1 is reading row1, then user2 reads and updates row1, when user1 is about to update row1 i want him to be informed that his copy of row1 have been updated, so he has now the options to either get the new version of row1 or cancel his update process.
View 4 Replies View RelatedHow can i write a trigger which gets fired for each row that is being deleted
i.e. Row level Trigger
I tried something like this
ALTER TRIGGER [dbo].[Del_Msg]
ON [Seat27].[dbo].[Email_Messages]
AFTER DELETE
&.......
it gets executed once for the triggering SQL statement
In a Stored Procedure, I created a table in code:
CREATE TABLE TEMP ( ...)
, then ALTER TABLE TEMP ADD int1 int, varchar2 varchar(25)
I inserted some rows to the above table. Everything looks good.
Here's what puzzled me:
SELECT * FROM TEMP shows all the rows inserted.
But
SELECT int1, varchar2 FROM TEMP caused this error:
Server: Msg 207, Level 16, State 3, Line 5
Invalid column name 'int2'.
Server: Msg 207, Level 16, State 1, Line 5
Invalid column name 'varchar2'.
Thanks for any help.
I am looking for a way to implement row level security on my SQL Server 2005 Express database. Thanks in advance for any input.
View 1 Replies View RelatedHi,
I am asked to look into a DB which was upgraded from SQL65 to SQL70.
Problems:
1.The SQL was renamed from Server_old to Server_NEW.The Sysservers tables still have entry with Server_old name and srvid = 0(local).The server is running with this config.from last few months w/o any problem(this is what the present DBA working on this DB says)...whereas the name has changed from server-old to server_new.
2.2 user DB on this Server has compatibility level of 65.Any suggestion as should I set the compatibility level to 70 or leave it as it is.client is planning to first,go for replication from sql70/EE to SQl70/EE on Nt4/SP6.
Second,they are also planning to upgrade to sql2k.
Any thoughts appreciated.