Admin Version Of WITH(UPDLOCK)?
Jul 26, 2006
Is there anything I can do from the Enterprise Manager console or from
within a JDBC connection to achieve the same effect as WITH(UPDLOCK)?
Yes, I could change all of my SQL statements to include the lock... but
isn't there any way to set or tweak something in SQL Server so that I won't
have to hack a lot of code* to make things concurrent? Perhaps a way to set
UPDLOCK as the default behaviour for the server, or schema, or table, or
something?
Jerry H.
* == The existing SQL has to remain as generic as possible so that it can be
implemented for four other databases.
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Sep 1, 2014
Is there any way to restore a database of higher version to lower version.
E.g. I have created a database in sql server 2012, created some tables & procedures in that.I took Full backup of that database. Can I restore it to sql 2008r2 or any lower version.
I know direct restore is not possible, I have to use either import or export option or generating script,but i want to know is there any easy step to do so.
Vimal Lohani
SQL DBA | MCP (70-461,70-462)
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Apr 21, 2008
Any locking experts?
Are these two queries functionally identical (identical locking)?
--QUERY 1
update MyTable with (UPDLOCK)
set MyField = 1 where MyField2 = 2
--QUERY 2
update MyTable
set MyField = 1 where MyField2 = 2
In other words, is UPDLOCK redundant in an UPDATE query?
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Oct 2, 2006
Hi all,
here my question :
I have 2 applications.
connection 1.
one does select max(grp) from orv and one does select max(grp) from orh. orh is the historical file from orv. We did this to know which is the greather grp between these 2 files.
After having did this, we add 1 at grp field.
we insert into orv the record max(grp) + 1
connection 2.
an other application could insert at the same time record in this table orv with same parameters.
my problem is the following. I need to block record in orv table either on the select ( connection 1) or Insert ( connection 2) to avoid having select max(grp) + 1 on orv at connection 1 and Insert a record into orv at connection 2.
I believe I need to use HOLDLOCK, UPDLOCK.
but I have not the habitude to use them.
Can I do this ?
connection 1
select max(grp) from orv WITH HOLDLOCK
connection 2
what should I use to avoid lock when I need to insert into orv. ?
thanks for your quick answer
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Jul 23, 2005
Hi all,Is this legal ?SELECT a.col1,b.col2,c.col3FROM tab1 a WITH (UPDLOCK) , tab2 b, tab3 cWHERE a.col1 = b.col1and b.col2 = c.col1WIll the above cause a UPDLOCK on tab1 and not tab2 and tab3?COmments,thoughts,criticisms?I have a problem with a query that performs a multi-table jointo get column values and then one of the tables in the join isbeing updated. I am getting DEADLOCKs and was wondering if I couldtry and reduce that.Also how can I find out what locks are in effect for a certainquery..Is it syslocks or are there any other tables..?DrD
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Dec 3, 2007
I've got a SELECT WITH (UPDLOCK, ROWLOCK) WHERE followed by an UPDATE WHERE statement. The results of the SELECT statement are deserialized in C# and updates are made to the deserialized object. Then the object is serialized back into the table with the UPDATE statement. I've got this code running within a transaction scope with the ReadCommited isolation level.
My service receives requests to update data and the requests can come in on different threads. What I'm seeing, is that once in a while, the log messages from my application indicate that two different threads are able to issue the above SELECT statement and both are receiving results. This is a problem since the thread that issues the last UPDATE will overwrite the changes made by the first. Each thread has its own connection and transaction scope.
I've researched all over the place and have tried a few different things, but all things point to the fact that query hints are just hints and that SQL may or may not pay attention to them. If that's the case, how am I suppose to perform a SELECT with the intention of updating so that no one else can do the same? I haven't tried table level locking, but I'd really like to avoid that if possible.
-Mike
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Nov 21, 2015
The benifit of UPDLOCK is that it avoids deadlock in case both sessions run the below query at the same time.The table has clustered index on ID column
----session 1 --------
begin transaction
select * from a1
update a1
set id = 22
where id = 2
----session 2 --------
begin transaction
select * from a1
update a1
set id = 22
where id = 2
Now to avoid deadlock in the above scenario we should use (UPDLOCK) hint in the select statement.Now my question is that deadlock will be avoided in this case when both the sessions use UPDLOCK hint. If only one session uses UPDLOCk and other does not then there will be deadlock .For example session 1 uses UPDLOCK hint this will hold the U lock on the row, but the session 2 does not use this hint and apply shared lock on the same row. Now there will be deadlock when session 1 tries to update the record and is blocked by shared locks of session 2. same will be the case with session 2 and both will wait for each other and hence dead lock.so what steps can be taken to avoid deadlocks in this case. I do not want to use Snapshot isolation.
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Jul 15, 2015
just see same kind of two sql statement
BEGIN TRAN
SELECT *
FROM authors AU
WITH (HOLDLOCK, ROWLOCK)
WHERE AU.au_id = '274-80-9391'
COMMIT TRAN
BEGIN TRANSELECT *
FROM authors AU
WITH (UPDLOCK, ROWLOCK)
WHERE AU.au_id = '274-80-9391'COMMIT TRAN
i like to know what is the difference between HOLDLOCK and UPDLOCK in sql server. explain with example to better understand.
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Apr 25, 2008
This article instructed me on how to process rows from a table used as a data queue for multiple processes.
http://www.mssqltips.com/tip.asp?tip=1257
I tested this against the AdventureWorks DB (SQL 2005) and multiple SQL connections inside of Sql Mgmt. Studio).
Connection1:
BEGIN TRANSACTION
SELECT TOP 1 * FROM Production.WorkOrder WITH (updlock, readpast) --skips over locked rows
--COMMIT TRANSACTION
Connection2:
BEGIN TRANSACTION
SELECT TOP 1 * FROM Production.WorkOrder WITH (updlock, readpast) --skips over locked rows
COMMIT TRANSACTION
This works like I want where connection 2 skips over the locked row from connection 1 and gets the next available record from the table / queue. However, when I add ORDER BY tsql to each sql statement, connection 2 is now blocked waiting for Connection 1 to commit. (This is not what I want)
Connection1:
BEGIN TRANSACTION
SELECT TOP 1 * FROM Production.WorkOrder WITH (updlock, readpast) order by DueDate
--COMMIT TRANSACTION
Connection2:
BEGIN TRANSACTION
SELECT TOP 1 * FROM Production.WorkOrder WITH (updlock, readpast) order by DueDate --is blocked until connection 1 commits transaction
COMMIT TRANSACTION
How do I prevent blocking when using these locking hints with ORDER BY?
thanks
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Nov 12, 2015
Does a UPDLOCK request incur a physical write in any isolation level? (including read committed snapshot)
For example:
BEGIN TRANSACTION
SELECT col FROM dbo.test WITH ( UPDLOCK )
ROLLBACK
Is there any physical write taking place here?
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Jul 25, 2006
Hi all,
Since some analysis services features are only available in Enterprise version , I have to upgrade my SQL 2005 server from standard edition to enterpise edition.
So I uninstall originial standard version of analysis service and install a Enterprise version. However, the analysis service is still a standard version after installation.
Is it possible to keep data engine as standard version and install a enterprise version of analysis service?
Thank you very much
Tony
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Feb 19, 2008
Hello,I have been searching and reading a lots of information on the microsoft website about the different version of SQL server, but still can not make my decision.In term of performance, is there a real big difference between the workgroup and the standard version? The workgroup is limited to 3 GB of RAM while the standard is unlimited, would that really change the performance if my server has 16Gb or RAM?The price difference is pretty substantial so if could only have to buy the workgroup , it would be better.One more question, regarding the type of licence, my server has 2 processors, could I avoid buying 2 licences and get the Server plus CAL instead. I am using this server to host 4 web-application running on SQL server. Each database is about 15 MB.Thanks in adavance for your advises.Arno
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Oct 30, 2007
I am wondering if it is possible to change from SQL Server Enterprise Evaluation Version to Developer Version. The reason is because the Enterprise Evaluation version expires after 180 days. So if I create reports and cubes in Enterprise Evaluation I can import them into Developer Edition right? Should I remove the Enterprise Evaluation version after 180 days or leave it then install Developer Edition?
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Mar 11, 2006
Hi,
I have tried to attatch a database ,created by SQL server Express within a C# application , in SQL server 2005 Enterprise edition, but the following error message appears:
-----------------------------
TITLE: Microsoft SQL Server Management Studio
------------------------------
Attach database failed for Server 'MEDO'. (Microsoft.SqlServer.Smo)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft SQL Server&ProdVer=9.00.1187.00&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Attach database+Server&LinkId=20476
------------------------------
ADDITIONAL INFORMATION:
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
------------------------------
The database 'E:X.MDF' cannot be opened because it is version 611. This server supports version 607 and earlier. A downgrade path is not supported.
Could not open new database 'E:X.MDF'. CREATE DATABASE is aborted. (Microsoft SQL Server, Error: 948)
------------------------------
so , how can I solve this problem , I need to reed the data resides in the tables of 'X' database , how can I do it?? please help me.
Thanks in advance for any help.
Aya.
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Jan 7, 2008
I have an ssis package that downloads a SQL Server 2000 database and restores it to a SQL 2005 server. Ninety-five percent of the time it runs just fine, but every so often the job fails and I get the following set of error messages in the log file. (I have had to delete some of the proprietary information for this message to satisfy my boss like putting in [Database name] in place of the actual name of the database in the error message).
OnError, Restore backup file to DB,,,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,Converting database [Database name] from version 539 to the current version 611.
OnError,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,Converting database [Database name] from version 539 to the current version 611.
OnError,Restore backup file to DB,,,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,Database [Database name] running the upgrade step from version 539 to version 551.
OnError,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,Database [Database name] running the upgrade step from version 539 to version 551.
OnError,Restore backup file to DB,,,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,The transaction log for database [Database name] is full. To find out why space in the log cannot be reused, see the log_reuse_wait_desc column in sys.databases
OnError,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,The transaction log for database [Database name] is full. To find out why space in the log cannot be reused, see the log_reuse_wait_desc column in sys.databases
OnError,SQL5,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,RESTORE could not start database [Database name].
OnError,SQL5,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,RESTORE could not start database [Database name].
OnError,SQL5,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,-1073548784,0x,Executing the query "RESTORE DATABASE [Database name]
FROM DISK = '[Path to back up file]' WITH REPLACE,
MOVE 'ASP_Live_Data' TO [Path to MDF file],
MOVE 'ASP_Live_Log' TO [Path to LDF file]" failed with the following error: "RESTORE DATABASE is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
OnError,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,-1073548784,0x,Executing the query "RESTORE DATABASE [Database name]
FROM DISK = '[Path to backup file]' WITH REPLACE,
MOVE 'ASP_Live_Data' TO [Path to MDF file]',
MOVE 'ASP_Live_Log' TO [Path to LDF file]" failed with the following error: "RESTORE DATABASE is terminating abnormally.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
OnTaskFailed,Restore backup file to DB,,,1/6/2008 2:59:31 AM,1/6/2008 2:59:31 AM,0,0x,(null)
Does anyone have any suggestions?
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Jan 31, 2007
Want to upgrade Evaluation version of SQL 2005 to full retail version. How would I do that. Thanks very much for your hel
Sam Commar
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Sep 22, 2015
I have received the error message "Package migration from version 8 to version 6 failed".I have developed a SSIS package with Visual Studio 2013 which gives me PackageFormatVersion of 8. I then deploy my package to the ssisdb catalog that is running on a SQL Server 2012, this works fine but when I try to execute the package the error arises…due to SQL Server 2012 has a PackageFormatVersion of 6 and it can’t run something that has a greater version.I haven’t seen any good solution for this but one that would work for me would be to upgrade the Integration Services Server from 2012 to 2014, leaving everything else in 2012 (database, ssms, ssas, ssrs).Would this solve the package format problem? Would I then be able to execute my packages in the ssisdb catalog?
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Jul 16, 2007
Now, I checked and verified that my backup version of SQL Server is the same as the version installed on the computer I'm restoring too.
I have SQL Server on a production machine that I backed up and want to test a full restore on a dev machine to make sure it will work when I need it to.
Now that I've run the restore command on my tape backup and go to restart the SQL server service I receive:
Configuration block version 0 is not a valid version number. SQL Server is exiting. Restore the master database or reinstall.
I'm afraid I don't understand why this is happening. If the builds are the same, then shouldn't restoring the MASTER database have worked normally and I'd be able to restart the service now?
Any thoughts or suggestions?
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Apr 20, 2007
We want to licence a trail version 2005 EN with an fullversion of MS Sql server 2005 EN. Is that possible?
Conworx
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Dec 7, 2007
I have the trial version of SQL Server 2005 installed and have setup a couple of databases. This trial version will expire in another few weeks. I recently purchased a copy of the software and want to install it. Will I lose my databases, user info, etc? How do I go about installing without losing anything?
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Mar 12, 2007
We have a 64bit os machine that we accidently loaded the 32 bit version of sql server on. We now want to upgrade it to 64 bit sql server, but we now have a production database on it. My understanding is that all I have to do is detach the production database, upgrade to 64bit sql server, then reattach the database. Is this really all I have to do?
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Dec 12, 2007
I started this thread as the last attempt to sort the issue out.
I have an SSIS package that loads data from a .csv file into my database. It works fine on my developer machine. I start it programmatically or from Management Studio or from Visual Studio, and it works. Then I deploy it to the MSDB database on the computer on which it will have its final place. There again I can start it from Management Studio or from Visual Studio (using the source file), and it works. But when I start it programmatically, it just fails telling me:
Package Warnings:
Package Errors:
The version of component "****" (11773) is not compatible with this version of the DataFlow.
Component "component "Derived Column" (13627)" could not be created and returned error code 0x80070005. Make sure that the component is registered correctly.
The component is missing, not registered, not upgradeable, or missing required interfaces. The contact information for this component is "Flat File Source;Microsoft Corporation;Microsoft SqlServer v9; (C) 2005 Microsoft Corporation; All Rights Reserved; http://www.microsoft.com/sql/support;1".
component "Agreement File" (11773) failed validation and returned error code 0xC0048021.
One or more component failed validation.
There were errors during task validation.
Maybe the source of the problem is that this machine is a 64-bit one, while the developer machine is 32-bit one. But why does the package run fine when I start it from Management Studio?
Any help would be appreciated.
FMikee
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Nov 8, 2007
Can some one here give me more insight about how to upgrade a SQL Server 2005 Standard Version (32 bits) to a SQL Server 2005 Enterprise Version (32 bits) as default instance on a Windows 2003 enterprise OS (32 bits). I want to know what is the easist way and what is the safest way. May I preserve some settings I have for the STD version, or I have to start from strach again to configure the server? Is there any catches, anything I should have attention to (We are using heavily about CLR and fulltext indexing)?
Thanks a milliom
Ning
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Aug 27, 2015
I want to set up a database role so that users can use sp_readerrorlog through SSMS. It does a check on membership in the securityadmin role.
I have tested it and can see you can grant execute on xp_readerrorlog but the SSMS GUI uses sp_readerrorlog.
I thought I could create a user/certificate and add the signature to sp_readerrorlog but it's not permitted (likely because it's not a normal database object).
So the other solution is to add the users to the securityadmin role but then explicitly deny alter any login (best done with a custom server role in 2012+ but otherwise just manually in 2008). I tested this out and it works, I'm not able to alter any logins or increase my own permissions, I also did a check of what's reported from fn_my_permissions(null, null) and it shows minimal permissions like I'd expect.
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Apr 11, 2004
Hello,
I installed the SQL Server 2k EnterPrise version and developer version on the same version, and the developer version is an instance "Development".
How do I expose both of them to internet? Just open both of them to port 1433? And on the client side, just say IP and IP/Development? Do I need specific set up, will they conflict?
Thanks,
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Nov 12, 2007
The version of the report server database is either in a format that is not valid, or it cannot be read. The found version is 'C.0.8.54'. the expected version is 'C.0.8.40'. To continue, update the version of the report server database and verify access rights. I'm getting this whenever try to access the report server via SSMS, I have tried to upgrade via the Reporting Service Configuration Manager but get an error message similar to above except it says: The database version (C.o.8.54) does not match your Reporting Services installation. This version of the database cannot be upgraded. You must use a different database. Has anyone seen this before? I can create a new database, but don't want to loose all my reports. Any ideas. Oh, not even sure if the backups exist from before this error, I've spent 2 weeks trying to get access to the server so I could try to upgrade, only to get the above results. Thanks for your help, David
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Apr 27, 2006
I downloaded the 101 Samples installation (i.e. 101SamplesCS.msi) from Microsoft's website, which contains SQL Server database files.
While working with the databases in the "Data Access" samples from the 101 Samples projects, I get the following error:
"Database <mdf_name> cannot be upgraded because its non-release version (600) is not supported by this version of SQL Server. You cannot open a database that is incompatible with this version of sqlservr.exe. You must re-create the database..."
I assume the database files were created with a beta or CTP version of SQL Server 2005. Does anyone know where I can get an updated version of these database files or scripts to update them?
Please help.
Mike.
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Mar 18, 2002
Can I set up sql server 7.0 standard version in cluster enviorment, what the
different betwent sql server 7.0 enterprise version and standard version? any problem I may encouter when I install the SQL server 7.0 standard version in Cluster enviorment?
Thank you very much.
Judy
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Apr 2, 2008
Hi Guys,
We have a Sqlserver 2005 Installed on One of our servers.I wanted to know whether the installed database is a Evaluation copy or Licensed Copy.How to Evaluate this.
Do we have to check any Log files etc for knowing whether it is evaluation copy or Licensed copy.
Please help me Asap.
thanks in Advance
Regards
Arvind
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Mar 12, 2007
Here is the situation i am stuck with, see the example first and below explained the problem:
-- 'SESSION A
create table foo (
id integer,
pid integer,
data varchar(10)
);
begin transaction
insert into foo values ( 1, 1, 'foo' )
insert into foo values ( 2, 1, 'bar' )
insert into foo values ( 3, 1, 'bozo' )
insert into foo values ( 4, 2, 'snafu' )
insert into foo values ( 5, 2, 'rimrom' )
insert into foo values ( 6, 2, 'blark' )
insert into foo values ( 7, 3, 'smeg' )
commit transaction
create index foo_id_idx on foo ( id )
create index foo_pid_idx on foo ( pid )
begin transaction
insert into foo values ( 9, 3, 'blamo' )
-- 'SESSION B
begin transaction
select id, data from foo with ( updlock, rowlock ) where id = 5;
-- Problem:
-- Uncommitted transaction in session A, with insert into table FOO, aquires lock on index foo_pid_idx which BLOCKS select with ( updlock, rowlock ) in session B.
-- Insert should aquire only exclusive rowlock. Why does insert block select with ( updlock, rowlock )?
Appreciate your help,
Rajesh.
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Jul 23, 2005
Does anyone know how to get SQL Server versions, Service pack versionsand the Server that instance of SQL is running on a network. I haveseen some threads on how to list SQL servers in a network but I need tofind more info about these SQL servers.Any help appreciated..!Thx...
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Feb 23, 2007
is there a tsql or stored proc to find when was the sqlserver got upgraded from 2000 to sqlserver 2005?
thanks in advance
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Aug 18, 2006
we have a backup of a database from a release version with version number 9.00.1399 and we wanted to restore it to a server with version number (9.00.1116) CTP release. we were issued a version incopatibility message. is it possible to backup from a 9.00.1399 release with a backup file compatible for a CTP release, is there an available option during backup? thanks!
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