MSSQL Performance
May 12, 2008
Without fail, whenever I try to access my simple "to-do" list on my ASP.NET 2008 Express page, I get this:
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
This error occurs one time, and then it works ok for a couple of hours. I have seen the help saying to add "Connect Timeout=120" to your connection string, but as a long-time Oracle and Interbase user, I have to say that 2 minutes is FAR FAR too long for a user to have to wait to access 10 rows of simple text data. Most internet users have shut off their browsers or gone over to another site long before that. Or worse, they are clicking reload 55 times.
It's like the MSSQL libraries shut down after a time and must be restarted and reinitialized.
My question is this: What causes this unacceptable snoring delay (hard-drive sleep mode, caching issues, SQL Server asleep), and what can be done (other than putting my users to sleep for 2 minutes) to make it better?
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Sep 12, 2004
1. Use mssql server agent service to take the schedule
2. Use a .NET windows service with timers to call SqlClientConnection
above, which way would be faster and get a better performance?
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Oct 5, 1998
Does anyone know any good references (web, books etc) about optimizing performance for MSSQL Server 6.5, not seen from a developers perspective but more the admin of the SQL Server?
I`m using a very data comprehensive application and I have the feeling things would run a lot smoother if the database/server was optimized once in a while (like you can do with Access).
Anyone?
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Aug 10, 2005
Hi,Can anyone put a name to the following type of design...I need to be able to modify the amount/names of data "fields" storedfor an entity so instead of representing the data stored for an entityin fields associated with that entity you would relate it to an anotherentity which would contain a datafield type field and its associatedvalue, so different rows in the parent table could possibly havedifferent datafields associated with it.E.gThe parent table is "person" and it holds common data amongst allpeople - it has primary key of personID.There is another table assoicated with person called "personDetails".This would have fields "personID", "dataType" and "dataValue". Itmight have records like the following:personID, dataType, dataValue1,phone,1234561,email,t...@test.com1,state,NSW2,phone,9874563212,state,VIC3,phone,789456123Of course this is just an example - the parent entity could beanything.I've seen a few XML files implement this type of design. e.g<job><jobNumber>XYZ12345</jobNumber*><jobCreated>12-03-2005</jobCre*ated><jobdeatils><jobdetail type="WEIGHT">167</jobdetail><jobdetail type="WEIGHTMEASURE">KGS</jobd*etail><jobdetail type="CUBIC">45</jobdetail><jobdetail type="CUBICMEASURE">M3</jobdet*ail><jobdetail type="NUMPIECES">345</jobdetai*l></jobdetails></job>Hope someone can put a name to this sort of design. I want to researchinto this to see how people search effectively in this design and itsperformance compared to traditional methods etc etc.I would be implementing this design in MS SQL and it would be accessedby an 400-500 users via ASP.NET.Any help would be appreciated. Thanks Adam.
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Jan 26, 2007
Hi, just wondering if anyone noticed the MSSQL Express 2005 is so inconsistent with its performance. I was testing out a query with 2 joins, with the main table having about 13,600,000 records. With the same criteria value, sometimes it finished executing in 3 secs. sometimes almost a 1 min.
Could it be just the volume of the data? This is really driving me crazy!
Any advise will be greatly appreciated.
Rick..
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Feb 18, 2008
Hello, we currently have our database (MSSQL 2005) on our web server however to do increased traffic and business we are now moving our database to its own server. I was wondering if anyone here knew of some good ways to setup/tune Windows Server 2003 and SQL 2005 for best performance. MSSQL will be the only application running on the server and want to make sure it is as fast as possible!
Thanks in advance!!!
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Aug 11, 2004
How many result-rows does mssql return should be used asynchronous method to use mssql cursor, can get the best performance in any time in any result offset?
i want to make the cursor fast in any time whatever how many results returned
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Feb 10, 2008
Hi,
i was planning to create a database migration tool ..
its a certain database of a DMS (document management system) to
another DMS (two different DMS)... from DMS using msde 2000 server .. and tranfer to a DMS using a postgre sql or mssql .. depends ..
they have different table structures and names . . :D
i was thing of what language shall i use.. or what language is the best to work on this kind of project :)
hoping for your kind help guys. thanks :)
br
Frozenice
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Sep 6, 2006
Does enabling/disabling Data Execution Prevention have a performanceimpact on SQL 2000 or SQL 2005?For SQL best performance - how should I configure for:Processor Scheduling:Programs or Background servicesMemory Usage:Programs or System Cache
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Mar 24, 2008
Hi,
I am a bit new to the MSSQL server. In our application, we use so many SQL queries. To imporve the performance, we used the Database enigine Tuning tool to create the indexes. The older version of the application supports MSSQL 2000 also. To re-create these new indexes, I have an issue in running these "CREATE INDEX" commands as the statements generated for index creation are done in MSSQL 2005. The statements include "INCLUDES" keyword which is supported in MSSQL 2005 but not in MSSQL 2000.
Ex:-
CREATE INDEX IND_001_PPM_PA ON PPM_PROCESS_ACTIVITY
(ACTIVITY_NAME ASC, PROCESS_NAME ASC, START_TIME ASC, ISMONITORED ASC)
INCLUDE
(INSTANCE_ID, ACTIVITY_TYPE, STATUS, END_TIME, ORGANIZATION);
Any help in creating such indexes in 2000 version is welcome.
Thanks,
Suresh.
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May 3, 2008
Hello
We are using SQL 2005 and now we are planning to use SQL 2000. what are the ways to do the process.
We taken the script spcificall for 2000 and run it in SQL 200. But we are getting the error in SCRIPT?
Could you please give me the step to do?
Thanks,
Sankar R
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Oct 26, 1999
Hello:
I am currently work on mssql 6.5. On my workstation, I have mssql 6.5
cient software.
However, I would like to install mssql 7.0 server on my nt workstation
and work with it to become familiar with 7.0. Can I install mssql 7.0
server on my nt workstation? Can mssql 6.5 client coexist with mssql 7.0
on the same machine if they are in different directories?
Thanks.
David Spaisman
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Jun 15, 2006
Ben writes "I have a sql script that doesn't function very well when it's executed on a SQL 2000 server.
The scrpt looks like this:
---------------------------------------------------------------------------------------------------
USE [master]
GO
IF NOT EXISTS (SELECT * FROM master.dbo.syslogins WHERE loginname = N'SSDBUSERNAME')
EXEC sp_addlogin N'SSDBUSERNAME', N'SSDBPASSWORD'
GO
GRANT ADMINISTER BULK OPERATIONS TO [SSDBUSERNAME]
GO
GRANT AUTHENTICATE SERVER TO [SSDBUSERNAME]
GO
GRANT CONNECT SQL TO [SSDBUSERNAME]
GO
GRANT CONTROL SERVER TO [SSDBUSERNAME]
GO
GRANT CREATE ANY DATABASE TO [SSDBUSERNAME]
GO
USE [master]
GO
If EXISTS (Select * FROM master.dbo.syslogins WHERE loginname = N'SSDBUSERNAME')
ALTER LOGIN [SSDBUSERNAME] WITH PASSWORD=N'SSDBPASSWORD'
GO
GRANT ADMINISTER BULK OPERATIONS TO [SSDBUSERNAME]
GO
GRANT AUTHENTICATE SERVER TO [SSDBUSERNAME]
GO
GRANT CONNECT SQL TO [SSDBUSERNAME]
GO
GRANT CONTROL SERVER TO [SSDBUSERNAME]
GO
GRANT CREATE ANY DATABASE TO [SSDBUSERNAME]
GO
USE [master]
GO
IF EXISTS (select * from dbo.sysdatabases where name = 'ISIZ')
DROP DATABASE [ISIZ]
GO
USE [SurveyData]
GO
exec sp_adduser 'SSDBUSERNAME'
GRANT INSERT, UPDATE, SELECT, DELETE
TO SSDBUSERNAME
GO
USE [SurveyManagement]
GO
exec sp_adduser 'SSDBUSERNAME'
GRANT INSERT, UPDATE, SELECT, DELETE
TO SSDBUSERNAME
---------------------------------------------------------------
I need to be converted to a script that can be executed on both MSSQL 2000 and MSSQL 2005.
I was wondering if somebody there could help me with this problem?!
Thanks,
Ben"
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Nov 17, 2007
I've been tasked to move our production databases on MSSQL 2000 to 2005. I've supported MSSQL since version 6.5 and performed migrations to successor versions.
Current Environment is MSSQL 2000 32-bit with current Service Packs.
I've performed mock migrations on Test servers upgrading all Production instances simultaneously from MSSQL 2000 to 2005 32-bit. The Test environment is identical to Production minus server name, IP etc. Also I have a separate server with MSSQL 2005 installed where I use the DETACH / ATTACH and BACKUP / RESTORE method for migration / acceptance testing. There are approximately 30 databases totaling 70 GB. This has gone as expected and fairly successful. Vendors have been coordinated with to update code and staff for acceptance testing.
I'd prefer going directly to MSSQL 2005 64-bit instead if possible due to memory benefits etc. This is where I'd like some feedback prior to borrowing a 64-bit server for testing.
Upgrade options:
1. Is it better to migrate from MSSQL 2000 32-bit to 2005 64-bit via:
a. DETACH / ATTACH
b. BACKUP / RESTORE
c. Is one method more advantageous relating to the end result?
2. Regarding XP clients, have issues been experienced with the default SQL Server driver or is an alternate recommended for XP clients to connect to a MSSQL 64-bit server databases?
3. If you have performed this migration and have relevant experience please pass them along.
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Sep 29, 2006
DB is developed on local computer with MSSQL 2005 Express. My host is on MSSQL 2005 workgroup. Are they compatible, because I am getting errors? Is my approach wrong?
I have tried several approaches.
A) I created a backup of database on my local, then placed a copy on the server. Then I tried to restore through Server Management Studio. I get this error.
TITLE: Microsoft SQL Server Management Studio
------------------------------
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
------------------------------
ADDITIONAL INFORMATION:
The backed-up database has on-disk structure version 611. The server supports version 539 and cannot restore or upgrade this database.
RESTORE FILELIST is terminating abnormally. (Microsoft SQL Server, Error: 3169)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=08.00.2039&EvtSrc=MSSQLServer&EvtID=3169&LinkId=20476
------------------------------
BUTTONS:
OK
------------------------------
B: I also have tried copying the database. I put it in the same path as the other databases that can be read with server management studio on the server. Then, tried to get to it through server managements studio and it did not appear. So I tried to attach it. Then I received this error:
TITLE: Microsoft SQL Server Management Studio
------------------------------
Attach database failed for Server 'MROACH1'. (Microsoft.SqlServer.Smo)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=9.00.2047.00&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)
------------------------------
Could not find row in sysindexes for database ID 10, object ID 1, index ID 1. Run DBCC CHECKTABLE on sysindexes.
Could not open new database 'LodgingDB'. CREATE DATABASE is aborted. (Microsoft SQL Server, Error: 602)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=602&LinkId=20476
------------------------------
BUTTONS:
OK
------------------------------
C: I have also tried opening the Database, and back up file through Server Management Studio. without success.
D: I also tried Windows and Software update at microsoft update, but no updates were recommended for Version on Server.
I'm surprised this is so hard. My original data base was created in same family of software. 2005 MS SQL Express. I could use some direct help from someone experienced with this. Am I doing it wrong or are the DB versions incompatible.
Mark Roach
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Jun 23, 2006
Hello Everyone,I have a very complex performance issue with our production database.Here's the scenario. We have a production webserver server and adevelopment web server. Both are running SQL Server 2000.I encounted various performance issues with the production server with aparticular query. It would take approximately 22 seconds to return 100rows, thats about 0.22 seconds per row. Note: I ran the query in singleuser mode. So I tested the query on the Development server by taking abackup (.dmp) of the database and moving it onto the dev server. I ranthe same query and found that it ran in less than a second.I took a look at the query execution plan and I found that they we'rethe exact same in both cases.Then I took a look at the various index's, and again I found nodifferences in the table indices.If both databases are identical, I'm assumeing that the issue is relatedto some external hardware issue like: disk space, memory etc. Or couldit be OS software related issues, like service packs, SQL Serverconfiguations etc.Here's what I've done to rule out some obvious hardware issues on theprod server:1. Moved all extraneous files to a secondary harddrive to free up spaceon the primary harddrive. There is 55gb's of free space on the disk.2. Applied SQL Server SP4 service packs3. Defragmented the primary harddrive4. Applied all Windows Server 2003 updatesHere is the prod servers system specs:2x Intel Xeon 2.67GHZTotal Physical Memory 2GB, Available Physical Memory 815MBWindows Server 2003 SE /w SP1Here is the dev serers system specs:2x Intel Xeon 2.80GHz2GB DDR2-SDRAMWindows Server 2003 SE /w SP1I'm not sure what else to do, the query performance is an order ofmagnitude difference and I can't explain it. To me its is a hardware oroperating system related issue.Any Ideas would help me greatly!Thanks,Brian T*** Sent via Developersdex http://www.developersdex.com ***
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Jan 18, 2008
How to convert a database in MSSQL 2000 to MSSQL 2005 database.Is there any tool or documentation available for this?
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Sep 25, 2007
I have my MSSQL hosted, any interface i can use so i can't connect to the data source?
for Mysql, i know i can use phpmyadmin, or mysql interface.
i have no idea for MSSQL, any advices?
i know there is one, which is Toad, but it has a lots of limitations, any good idea?
thanks.
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Feb 17, 2008
Hi,
till now i have used mysql with php.now i want to use mssql with php.my php and apache versions are
php 5.2.3
apache 2.2.4
from where i can get mssql and what i need to run my php scripts with mssql database.iam newbie in mssql.any of your help will be surely appreciated
thanks
mrjameer
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Apr 25, 2006
Hi!
What is the best way to migrate MSSQL 2005 Express -> MSSQL 2005 Srv?
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Jun 22, 2006
Hello Everyone,I have a very complex performance issue with our production database.Here's the scenario. We have a production webserver server and adevelopment web server. Both are running SQL Server 2000.I encounted various performance issues with the production server witha particular query. It would take approximately 22 seconds to return100 rows, thats about 0.22 seconds per row. Note: I ran the query insingle user mode. So I tested the query on the Development server bytaking a backup (.dmp) of the database and moving it onto the devserver. I ran the same query and found that it ran in less than asecond.I took a look at the query execution plan and I found that they we'rethe exact same in both cases.Then I took a look at the various index's, and again I found nodifferences in the table indices.If both databases are identical, I'm assumeing that the issue isrelated to some external hardware issue like: disk space, memory etc.Or could it be OS software related issues, like service packs, SQLServer configuations etc.Here's what I've done to rule out some obvious hardware issues on theprod server:1. Moved all extraneous files to a secondary harddrive to free up spaceon the primary harddrive. There is 55gb's of free space on the disk.2. Applied SQL Server SP4 service packs3. Defragmented the primary harddrive4. Applied all Windows Server 2003 updatesHere is the prod servers system specs:2x Intel Xeon 2.67GHZTotal Physical Memory 2GB, Available Physical Memory 815MBWindows Server 2003 SE /w SP1Here is the dev serers system specs:2x Intel Xeon 2.80GHz2GB DDR2-SDRAMWindows Server 2003 SE /w SP1I'm not sure what else to do, the query performance is an order ofmagnitude difference and I can't explain it. To me its is a hardware oroperating systemrelated issue.Any Ideas would help me greatly!Thanks,Brian T
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May 3, 2007
Hey guys, im trying to write an application to connect to a database on a mssql server using asp.net. Thus far any code i've seen and tried seems to not recognize the ODBC connections, so i was hoping you guys can offer some suggestions. For the example lets say the server is mssql9.aaa.com the db name is xyz with a username of welsh_welsh and the password is q with a table named abc in the database. How exactly would you go about connecting. The code i've tried so far is below:
<%
"Data Source = mssql9.aaa.com;Initial Catalog = xyz;UserID = welsh_welsh;Password = q;"
%>
The error i get from the sever is
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: BC30035: Syntax error.
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Jul 2, 2007
any free videos to study mssql server 2000 queries
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Mar 31, 2008
Im trying to write a very basic stored porcedure that looks up some data and performs simple calculations, the results of which are then saved (updated) to a specific table. To be more specific, I use the avg function in a simple select statement to average some figures based on a where clause:
SELECT AVG(exactskip)FROM HistoryWHERE Exact = '023'
...This should return 425.66, but it returns either 425 or 425.0000.
The results which are returned and being saved are being shown as a rounded integer or shown with 4 zeros after the decimal. I know it should be ending with a decimal in almost all cases. The column in the table that the result are being saved to is formated as smallmoney. The column in the table whos data is being averaged is set as an integer. Question, how can I make the avg function calculate the decimal values and save the appropriate decimal results. What changes do I need to make to my select statement. Any help would be appreciated.
I am still very new to all this, so please be specific and somewhat step by step in any reply
Thanks
Scott
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Sep 20, 2005
I have an SQL 2000 server set up that runs perfectly, and an IIS set up that runs perfectly but I can not get the webpage to read data from the dbase. Is there a connection that I have to make or a program I have to load? The page is a .asp page, and when I run the page that should connectI do not get any errors in the dbase at all, so I can only imagine that it is not even seeing an attemptat a connection. Any help is appreciated.
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Aug 1, 2000
hi,
I'm starting to write web application using ASP, the backend is MSSQL7.
Can I have some sample codes to look at. How to get connection and
select statements and get results and display onto the web.
thanks
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Sep 5, 2000
Hi, is there an easy way to open a SQL 7 db using DAO code. Seems like a simple
set db = currentdb
won't do the trick. I also tried to open a workspace first, but I keep getting error when I try to do something with the recordsets, and I can't RunSQL. Any suggestions?
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Oct 28, 2005
I am trying to run a DTS from a vbs but I am pulling my hair out at this point (grey anyway). Here is the script.
set objDTSPackage = CreateObject("DTS.Package")
objDTSPackage.LoadFromSQLServer "(local)", "sa", "", DTSSQLStgFlag_Default, "", "", "", "dts_download", 0
it is not doing it, and giving me error on all steps within the package
your help is greatly appreciated
thank you
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May 15, 2007
Hey Guys, are you aware of anyone moving from MYSQL to MSSQL or vice versa - what were your experiences - Mark Smith
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Dec 27, 2005
I just installed windows server update services on a 2k3 system. I am using mssql dekstop edition as the database. trend micro office scan also uses mysql. When I try to approve an update it sometimes just times out. When it does work it takes for ever. The CPU usage shoots through the roof. about %99 by the sqlservr process. It also take 190,000 k of RAM. Is this normal and how can I fix it? I think its a problem with the mysql but i don't know what. I have tried restarting. Its a 2.4 GHz system with 1gb of RAM. It only has 2 machines connected to the WSUS(more to come) Anyone any ideas would be great
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Jul 23, 2005
-- =============================================-- Create table with IDENTITY column-- =============================================create table logviewer(idLog smallint IDENTITY(1, 1),timeLog, Char(14) NOT NULL,dateLog, Char(14) NOT NULL,typeLog, Char(14) NOT NULL,adressLog, Char(90) NOT NULL,messageLog, Char(254) NOT NULL)Server: Nachr.-Nr. 173, Schweregrad 15, Status 1, Zeile 8Die Definition für die timeLog-Spalte muss einen Datentyp enthalten.eng. define timLog colom as datatypeCould anyone help me please?
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May 15, 2007
Hey Guys, are you aware of anyone moving from MYSQL to MSSQL or vice versa - what were your experiences - Mark Smith
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Jul 21, 2006
For some reason Sql 2005, by default, creates different folder paths (such as MSSQL.1, MSSQL,2, etc) for different services.
1. Is there a utiltiy that can tell me what service is stored in what folder?
2. I noticed that Integraiton Servcies does not seem to have a seperate ("MSSQL.x") folder. Why?
Any help much appreciated,
Barkingdog
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