MSSQL Express 2005 Performance So Inconsistent!
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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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 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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Apr 25, 2006
Hi!
What is the best way to migrate MSSQL 2005 Express -> MSSQL 2005 Srv?
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Jun 8, 2006
One of my developers recently installed a backup of the production database onto his test site. His test server has the same configuration as the production server.
One of the Stored Procedures that is called takes 1:45 to run on his machine, but only 2 seconds on the production server. This same SP takes only 2 seconds on my development database.
The SP is called iteratively, up to 10 times... to run against 10 separate fields. Depending on a value for a parameter called @CriteriaClassID, depends on which portion of the SP runs.
The significant difference in processing time in itself is baffling (since the servers are same specs / configuration, as far as I can tell, and the data is identical, since he has a backup of the most recent production data).
But more baffling: if, in his data, I switch the values from field 1 to field 2, and vice versa, his results take 2 seconds (switching the values in field 1 to field 2 switches the value in @CriteriaClassID which is passed through to this SP).
It's exactly the same SP; the only difference is that field 1 is processed first, field 2 second, field 3 third etc. On the production site and my development site, it doesn't make a difference in the order they are processed. On his machine it does.
Any ideas? I though perhaps his Indexes were corrupted in the rebuild, but we ran a SQL Server maintenance schedule to clean it up, and no improvement.
This is the SP, if it is of any help:
CREATE procedure [dbo].[st_pull_model_data] @ModelID as integer, @CriteriaID as integer
as
declare @ClientID as integer, @CriteriaClassId as char(1)
/*Procedure to pull data from org_model_data and postalcode_model_data for modeling and media analysis */
/*Need to have table #temp_data created outside of SP with fields org_id and zip_code */
/*This procedure is used by SP st_model_data */
If @CriteriaID is not null
begin
set @CriteriaClassId = (Select model_criteria_type from model_criteria where model_criteria_id = @CriteriaID)
if @CriteriaClassID = 'G' -- changes client_id from specific to general, if General is required.
begin
set @ClientID = 0
end
else
begin
set @ClientID = (Select client_id from model where model_id = @ModelID)
end
If @CriteriaClassId in ('G','P')
Begin
update#temp_data
setdata1 = postal_criteria_value
from #temp_data t
left outer join
(select postalcode, postal_criteria_value
from postalcode_model_data pmd
join model_org_trade_area mota on mota.zip_code = pmd.postalcode
join model_org mo on mo.model_org_id = mota.model_org_id
where model_criteria_id = @CriteriaID
and client_id = @ClientID
and mo.model_id = @ModelID) as PMD
onPMD.postalcode = t.zip_code
end
else
Begin
update#temp_data
setdata1 = org_criteria_value
from#temp_data t
left outer join
(select distinct postalcode, org_criteria_value, omd.org_id
from org_model_data omd
join org o on o.org_id = omd.org_id
join model_org_trade_area mota on mota.zip_code = omd.postalcode
join model_org mo on mo.model_org_id = mota.model_org_id and mo.org_id = o.org_id
where model_criteria_id = @CriteriaID and o.client_id = @ClientID and mo.model_id = @ModelID) as OMD
on OMD.postalcode = t.zip_code and omd.org_id = t.org_id
end
end
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Feb 13, 2007
Basically, I have a web-based application that queries aggregates from several big tables that grow rather quickly. I feel I am fairly accomplished at tuning individual queries and have optimized these particular stored procedures as much as I can and often see great results for a period of time. However, after time passes, it seems the stored procedures begins performing really badly. What's frustrating is that I have traced the server, located a stored procedure that consistently executes with an abnormally high duration, but when I run the exact same text directly against the sql server it returns instantly.
If I recompile the stored procedure using my direct connection by including the WITH RECOMPILE clause to the EXEC statement, the problem remains for the web-app. However, if I add the WITH RECOMPILE to the actual stored procedure, it is instantly resolved. I can then remove the WITH RECOMPILE from the stored procedure text and things will remain speedy for a period of time before they again slip back.
I'm curious as to what I can do from a SQL standpoint to correct for this. For now, the app team is setting a counter for each execution and then issuing a WITH RECOMPILE when the counter limit is exceeded.
I apologize if this question has most been asked before and I have attempted a review of the forums but was unable to find any material. Any suggestions, advice, links or general assistance would be most appreciated.
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Jul 23, 2005
Hi,I am facing a peculiar problem while looking ahead in a live Databasecurrently under operation in one of my client’s Project. AnApplication that is updating 3 - tables in the Database is missing toupdate a certain number of Fields in one of the Tables. The fact isnot frequent and I have checked through the Server Performance Monitorthat there is no performance slag of the Server during any point oftime.The Tables are indexed with common Key fields. Can anybody help me inthis regard ?Thanks & Regards.--Posted using the http://www.dbforumz.com interface, at author's requestArticles individually checked for conformance to usenet standardsTopic URL: http://www.dbforumz.com/General-Dis...pict193836.htmlVisit Topic URL to contact author (reg. req'd). Report abuse: http://www.dbforumz.com/eform.php?p=655931
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Nov 13, 2006
Hi everyone! I have a very brief question... I have 10 queues in my database and each of them are sent equal number of messages... There are instances where they execute/activate the stored procedures very fast but there are times where they don't, does anyone have an idea why this happens?
Thank you very much for taking the time to read my post. :)
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May 16, 2008
I've been working with SQL Server 2005 for a while now and I've noticed some odd behavior that I want to bounce of other members of the community. I should preface that I've been a forum viewer (and occasional contributer) here at SQL Team for a while and I've naturally developed a keen sense for optimizations.
Fundamentally, longer stored procedures with perfectly fine/optimized execution plans are inconsistent with real world performance. In some of these cases, a low subtree cost on a 4 core machine with 16gb of ram and 2 15 drive SAS arrays with little load takes excessively long to run or in some cases doesn't complete.
This isn't due to blocking or resource bottlenecks as I'm quite familiar with built in tools to troubleshoot and resolve those issues. In all cases, I am able to rearchitect the stored procedure into a higher subtree cost variant and get reasonable performance, but it's frustrating to have to redo work and there seems to be no common theme other than longer multi-statement procedures.
I've used SQL Server 2000 extensively and did not notice this level of inconsistency in performance with that product version. Just wondering if others in the community have experiences similar or if I'm just crazy.
Thanks for reading my rant.
- Shane
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Feb 13, 2006
Hi -Trying to chase down a baffling performance issue. Our database has beenrunning very slow lately. So we are performance tuning the database. Indoing so, we created a copy of our production database. In that database, Ichanged one clustered index on a table to try to improve performance. I ranone query - saw a slight improvement - but saw "lazy spool" in the executionplan.I tried to change it back to the original index by dropping the changedindex, and recreating the original index. I then ran the original query -which now went from 5 seconds to 36 seconds.I then ran DBCC REINDEX on that table. Performance of the query was stillmarkedly worse. I then reran the DBCC REINDEX on all tables, and then Iupdated each tables statistics. Performance of that query has never returnedto the original 5 seconds.What could be at issue here? Is there something else that I caused inchanging the index and changing it back?Ideas much appreciated.
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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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Dec 5, 2007
I have a query that joins two large partitioned tables and depending on the values in the where clause, I can get dramatically different performance results.
The first query completed in around 7s and has 47,000 logical reads.
select mo.monitor_id,
mo.site_id,
mo.testtime,
sum(mo.NumBytes),
sum(mo.DNSTime),
sum(mo.ConnectTime),
sum(mo.FirstByteTime),
sum(mo.ContentTime),
sum(mo.RelocTime)
from monitor_raw mr(nolock), monitor_object mo(nolock)
where mr.monitor_id in (5339, 5341, 5342, 943842, 943866)
and mr.testtime between 'Oct 31 2007 3:00:00:000PM' and 'Nov 30 2007 3:00:00:000PM'
and mo.returncode = 200
and mr.site_id in (101,102,105,109,110,112,115,117,119,122,126,151,132,139,129,135,121,138,143,142,159,148,128,171,176,177,178,111,113,116,118,120,127,133,131,130,174,179,185,205,200,202,203,204,210,211,208,209,212,213,216,199,214,224,225,229,230,232,235,241,245,247,250,254,261,267,264,265,266,268,269)
and mr.escalationlevel = 0
and mr.monitor_id = mo.monitor_id
and mr.testtime = mo.testtime
and mr.site_id = mo.site_id group by mo.monitor_id, mo.site_id, mo.testtime
The second query takes 188s to complete and has 1.8m logical reads. The only difference between the two is the value of the monitor_ids in the where clause.
select mo.monitor_id,
mo.site_id,
mo.testtime,
sum(mo.NumBytes),
sum(mo.DNSTime),
sum(mo.ConnectTime),
sum(mo.FirstByteTime),
sum(mo.ContentTime),
sum(mo.RelocTime)
from monitor_raw mr(nolock), monitor_object mo(nolock)
where mr.monitor_id in (152682, 5339, 5341, 5342, 268080)
and mr.testtime between 'Oct 31 2007 3:00:00:000PM' and 'Nov 30 2007 3:00:00:000PM'
and mo.returncode = 200
and mr.site_id in (101,102,105,109,110,112,115,117,119,122,126,151,132,139,129,135,121,138,143,142,159,148,128,171,176,177,178,111,113,116,118,120,127,133,131,130,174,179,185,205,200,202,203,204,210,211,208,209,212,213,216,199,214,224,225,229,230,232,235,241,245,247,250,254,261,267,264,265,266,268,269)
and mr.escalationlevel = 0
and mr.monitor_id = mo.monitor_id
and mr.testtime = mo.testtime
and mr.site_id = mo.site_id group by mo.monitor_id, mo.site_id, mo.testtime
The two tables have clustered indexes on monitor_id, testtime and site_id. Comparing the execution plan, I can see why there is such a difference in performance. The second query performs a clustered index seek on the monitor_object table starting at the lowest monitor_id, testtime & site_id through the highest monitor_id, testtime & site_id. The first query performs a clustered index seek where the monitor_id, testtime and site_id equals the same values from the monitor_raw table.
My question is, how can I force the second query to use the same execution plan as the first so that I can get better performance?
One possible workaround that I could use is to execute five individual queries, one for each monitor_id and then union the results together but this would require significant code changes to my stored procs.
Thanks,
Tim
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Jul 14, 2007
Hello, im shure this must have been up before and i apologize for that. But i wonder if there is a way to convert the SQL server express databases to MSSQL 2005 databses?
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Sep 10, 2007
Hi,
I'd like to get the experts' advice on whether SQL server 2005 Express edition (SSE) is suitable for medium scale web applications.
I have looked through the reviews of SSE. From what I understand, its limitations over the MSSQL 2005 Standard are:
1. SSE limits database size to 4GB and memory to 1GB.
2. Support for only 1 CPU.
3. No analysis or reporting services.
4. No full text indexing
5. No SQL Agent.
I have a web application that is currently running on a shared web host with a shared MSSQL 2000 database. I'm thinking of shifting to a Virtual Private Server, where I can install SSE for free.
Currently my app has about 14,000 page views a month, and each of them pulls out data from the database. I don't use any analysis or reporting services, or full text indexing or SQL Agent (for now).
My questions:
1. Is 1GB memory sufficient for this type of application?
2. Is there any reason I should not be using SSE for my type of application?
Thanks in advance for the help.
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May 23, 2007
How can I connect to a MSSQL 2005 database with MS VB Studio Express?
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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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Jul 5, 2006
Hi,
Does anybody know if MSSQL 2000 and SQL Server 2005 Express Edition can live together on the same machine?
I need to keep MSSQL 2000 up and running while evaluating the SQL Server 2005 Express Edition.
Thank you,
Paul
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Jul 20, 2007
i Have this stored procedure below that creates a backujp copy of tblpersons from database db1 into another database db2 with a table1 pressing f5 to create it it goes fine up to around 5 seconds and after that the error below appears and looking at the stored procedure it is not created either. I already activated the default settings SQL Server to allow remote connections but still the error appears.
CREATE PROCEDURE makebackup
BEGIN
SELECT * INTO table1 FROM sql1.database1.dbo.tblpersons
END
GO
OLE DB provider "SQLNCLI" for linked server "amps" returned message "Login timeout expired".
OLE DB provider "SQLNCLI" for linked server "amps" returned message "An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections.".
Msg 126, Level 16, State 1, Line 0
VIA Provider impossible to find the module
THANKS
ALEX
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Nov 6, 2006
Hi,
i have installed MS SQL Server Express 2005 on my local machine. Also the managment Studio. I can connect to the MS SQL Server Express 2005 with my c# programm and with the mangament studio.
I have in Windows/system32 the file ntwdblib.dll version 2000.80.2039.0. The TCP/IP and Ip Protocl are active. But i cant connect with php to the local MS SQL Server Express 2005.
My php code is:
mssql_connect('192.168.0.2,1433', 'martin', '');
I get the return code Warning: mssql_connect() [function.mssql-connect]: Unable to connect to server: 192.168.0.2,1433 in c:InetpubwwwrootProjekteSkriptemssql_connection.php on line 2
Does anyone know what i made wrong or i have forgotten?
mfg martin
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Jun 1, 2008
I am new to mssql
I am not sure when I should use windows authentication and when to use sql server authentication
I set it to sql server installation when sql server was installed
I am using it right now on xp-pro platform on my home computer but I also have a website where I would like also to use it
right now I do not have problem accessing the server with windows authentication but I keep getting errors when I switch to sql server authentication
Your help is appreciated
Dory
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Mar 18, 2008
I need to install the 'MSSQL 2005 Express Client' on a computer that will be hosting a copy of an MSSQL 2005 Standard Edition database.
Question: Should I install both the DataBase Services feature and the Client Components feature?
Many thanks, for your help on this.
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Feb 2, 2007
Hello, we are running MSSQL 2005 express on a windows 2003 machine. I have looked in SQL Server Management Studio for close to an hour and could not find a way to setup automatic backups of databases. Where is this feature, and short tutorial would be great. Thanks!
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May 15, 2008
This may be an idiotic question:
I am attempting to use Visual Web Developer Express with a connection to a SQL Express db from a non-admin account on my XP Pro SP2 machine.
I can do everything in the app under an admin login, but can't seem to configure the db to allow the non-admin account access to the db. I've tried tweaking WMI, using Network Service, Local Service, and Local System with NT AUTHORITY, individual logins, and group permissions, but I'm stuck.
Any thoughts?
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Jan 1, 2008
hi ,
this is my first post on MS Forums .
Q: my question is that , i want to format a date column .. d/m/yyyy .. but there is no any format facility ..
anybody can help me here ??
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Aug 26, 2006
Is there a way of extracting data from MS Excel using MS SQL Server 2005 Express?
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Feb 20, 2008
Hi all.
I've had a web service developed in PHP5 running on an Apache webserver for the last 9 months. It handles a lot of XML requests and stores/reads from an MSSQL Server 2005 DB (Express, if that matters).
Occasionally, I will come across the error 'Could not connect to database'. Refreshing the page works 99% of the time removes the error and the system continues as normal. I'd say this is happening about 1/100 requests at the moment, and my client is steadily becoming more irritated by it.
As far as I know, the system settings are mainly stock. It was set up by another developer.
I'm out of ideas with regards to debugging this problem.
Can anybody shed some light, or some possible solutions?
Kind Regards,
Jomn
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Aug 24, 2006
I have been testing one of our Apps under SQL 2005 Express and I am seeing a big downgrade in performance compared to MSDE on the same hardware. Has anyone else experienced this?
Cheers
Aussie Coder
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Feb 25, 2008
Wondering if anyone has any experience with SQL Server Express Edition (SSEXP). We're looking at a mobile sales force type model, so a local database on a laptop with no real time network connection. So the users would collect data locally, then connect up to the network every few days to replicate the data to a central server.
So questions.. Has anyone tried anything similar? How stable/mature is SSEXP? Any other thoughts, alternatives or gotchas anyone can think of?
Thanks for the input.
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Feb 4, 2007
Hello, all, I started out thinking my problems were elsewhere but as Ihave worked through this I have isolated my problem, currently, as adifference between MSDE and SQL Express 2005 (I'll just call itExpress for simplicity).I have, to try to simplify things, put the exact same DB on twosystems, one running MSDE and one running Express. Both have 2 Ghzprocessors (one Intel, one AMD), both have a decent amount of RAM(Intel system has 1 GB, AMD system has 512 MB), and plenty of GB offree disk space. MSDE is running on the Intel system, Express isrunning on the AMD system. To keep things fair I use the exact sameDB's and query on both systems. The DB's were created on MSDE so Isp_detach_db'd them from MSDE and then sp_attach_db'd them to Express(this is how MS says to do a "side-by-side" upgrade, so it'sacceptable to do so). After fighting problems in performancedifferences in different situations I have narrowed the problem downto this:Executing a simple select statement with join clause on the databasesyields a difference in execution time that is quite great. Using theExpress Management program I can run the query against either system(MSDE or Express, the two systems are connected via crossover cable toeliminate any network problems/issues). When running the queryagainst the MSDE system (which is over the network) I consistently get<20 ms response times on the query. When running the query againstthe Express installation (which is in shared memory) I consistentlyget 700 ms or longer response times. Both times are for the TotalExecution Time.The query is simply this: select db1.* from db1.owner.tablename as db1inner join db2.owner.tablename as db2 on db1.pkey = db2.someid wheredb1.criteria = 3So, gimme all the columns from one table in one DB (local to theinstallation), matching the records in another DB (also local to theinstallation), where one field in the first db matches a field in thesecond db and where, in the first db, one column value = 3.The first table has a total record count of 630 records of which only12 match the where clause. The second table has a total record countof about 2,700 of which only 12 match up on the 12 out of 630.Even though the data is the same and I've done the detach and attach,and even done the sp_updatestats, the difference in execution time isremarkable, in a bad way.Checking the Execution Plan reveals that both queries have the samesteps, but, on the MSDE system the largest consumer in the process isthe Clustered Index Scan of the 630 record table (DB1 in my queryexample), using 85%. The next big consumer is a Clustered Index Seekagainst the other table (2,700 rows), using 15%.The Execution Plan against the Express system reveals basically theexact opposite: 27% going to the Clustered Index Scan of the 630record DB1, and 72% going to the Clustered Index Seek of the 2,700record DB2.I'm sorry to be stupid but I have this information but I don't knowwhat to do with it. The best that I can tell from this is that thisis the source of my problems. My problems are that on my currentsystems that my clients use the data is returned to them faster thanthey can click the mouse and that the new system (that is, when theychose (or are forced by attrition) to move to Vista and thus Express2005) the screen pop is like 1.5 seconds. This creates poor userexperience. Worse, one process I allow the users to do goes fromtaking 14-30 seconds to over 4 minutes (all on the same machine withthe same OS and version of my program, so it's not a machine or OS ormy app problem).Anyway, I hope someone can shed some light on this now that I've paredit down some.Thanks in advance.--HC
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Nov 14, 2007
Hi,
I have upsized my access database to Mssql 2005 and I notice that SQL 2005 is much slower in data access than the access databse.
Is there something that needs to be done after the upsize? Have I missed something?
If you want to compare the dataabses here are the links:
Access: http://ozeldersverenler.net/beta/www
SQL2005: http://ozeldersverenler.net/alpha/www
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Dec 29, 2006
Hi,
Recently we have migrated our application from MSDE 2000 to SQL Server Express 2005(SP 1). This has significantly reduced the performance of our Windows.NET application which is developed using C#.
For example : While logging in to the application two databases are being attached.
Time taken in MSDE: 16 secs
Time taken in SQL Server Express 2005 : 58 secs
Also note performance is degraded for normal screens where data is retrived from database using inline queries.
Questions:
1) Is there any special(optimum) configuration(installation parameters) while installing the SQL Server Express 2005 setup?
2) Is there any query optimization to be done w.r.t SQL Server Express 2005 ?
We highly appreciate any help towards resolving the above problem.
Regards,
Sasi
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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 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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