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?
Hi,
I have recently taken up performance optimization activity for our database. Can any one suggest a really good source for articles/tutorials/guides etc. on Performance optimization for SQL server 2005.
Regards
Yogi
Hi,
our package have design like this,
OLEDBSource à Derived Column à Lookup
|
Matching Records Un Matched Records
| |
OLEDBCommand OLEDBDestination
(Update) (Insert)
and our source & destination table are oracle. when we execute the package the performance is very low and some times its showing like processing ( yellow color) even for 1 hrs .what could be the problem.can any one help us.is there any reason like when we use orcale database this will slow down the performance of package
Jegan
I am able to get this to work by using nested loops but they are very inefficient and with the size of my tables I cannot afford to use them. There must be a more efficient solution?
I have two tables...
Initial_Procedure
ID
Person_ID
Completed_DTTM
Procedure_2
ID
Person_ID
Completed_DTTM
I need the result to be...
Tbl_Final_Result
Initial_Procedure.ID
Initial_Procedure. Person_ID
Initial_Procedure. Completed_DTTM
Procedure_2.ID
Procedure_2.Person_ID
Procedure_2.Completed_DTTM
Some general rules...
(Hope these are clear enough)
- Each person has at least one Initial_Procedure.
- There may be zero, one, or more Procedure_2 for each Initial_Procedure.
- If there is more than one Procedure_2 for an Initial_Procedure get the most recent.
- To link Procedure_2 to Initial_Procedure the Initial_Procedure.Completed_DTTM < Procedure_2.Completed_DTTM and Initial_Procedure.Person_ID = Procedure_2.Person_ID
- If there is more than one Initial_Procedure where Initial_Procedure.Completed_DTTM < Procedure_2.Completed_DTTM:
Procedure_2.Completed_DTTM Between row 1: Initial_Procedure.Completed_DTTM and
row 2: Initial_Procedure.Completed_DTTM --(assuming Initial_Procedure is in order)
AND Initial_Procedure.Person_ID = Procedure_2.Person_ID
Some example data.....
Declare @Initial_Procedure table (ID int, Person_ID int, Completed_DTTM datetime)
Insert into @Initial_Procedure
Select 1, 1, '01/10/2007' union all
Select 1, 1, '02/15/2007' union all
Select 1, 1, '02/20/2007' union all
Select 1, 2, '01/02/2007' union all
Select 1, 3, '06/26/2007' union all
Select 1, 4, '03/14/2006' union all
Select 1, 4, '10/10/2006' union all
Select 1, 4, '08/27/2007'
Declare @Procedure_2 table( ID int, Person_ID int, Completed_DTTM datetime)
Insert into @Procedure_2
Select 2, 1, '01/09/2007' union all
Select 2, 1, '01/15/2007' union all
Select 2, 1, '01/16/2007' union all
Select 2, 1, '01/17/2007' union all
Select 2, 1, '02/19/2007' union all
Select 2, 1, '07/25/2007' union all
Select 2, 1, '09/02/2007' union all
Select 2, 2, '01/01/2007' union all
Select 2, 2, '01/14/2007' union all
Select 2, 2, '01/20/2007' union all
Select 2, 3, '05/04/2007' union all
Select 2, 3, '06/27/2007' union all
Select 2, 4, '11/06/2006'
The final result should be...
Tbl_Final_Result
IP.ID IP.Person_ID IP.Completed_DTTM P2.ID P2.Person_ID P2.Completed_DTTM
1 1 01/10/2007 2 1 01/17/2007
1 1 02/15/2007 2 1 02/19/2007
1 1 02/20/2007 2 1 09/02/2007
1 2 01/02/2007 2 2 01/20/2007
1 3 06/26/2007 2 3 06/27/2007
1 4 03/14/2006 NULL NULL NULL
1 4 10/10/2006 2 4 11/06/2006
1 4 08/27/2007 NULL NULL NULL
Hello,I have a question regarding stored procedure desing that provides theoptimal performance. Let's say we have a table Products that consists ofthree columns: Name, Status, RegistrationTime. All columns are indexed andusers should be able to lookup data by any of the columns. We have two mainoptions to design stored procedures for data retrieval:1. Design separate stored procedures for each search criteria:LookupProductsByName, LookupProductsByStatus, LookupProductsByTime.2. Write a generic stored procedure that will fit any search criteria:CREATE PROCEDURE GetProducts (@Name varchar(20),@Status int = NULL,@FromTime datetime = NULL,@ToTime datetime = NULL)AS BEGINSELECT[Name],[Status],[RegistrationTime]FROM [Products]WHERE [Name]=CASEWHEN @Name<>NULL THEN @NameELSE [Name]ENDAND [Status]=CASEWHEN @Status<>NULL THEN @StatusELSE [Status]ENDAND [RegistrationTime]>=CASEWHEN @FromTimestamp<>NULL THEN @FromTimestampELSE [RegistrationTime]ENDAND [RegistrationTime]<=CASEWHEN @ToTimestamp<>NULL THEN @ToTimestampELSE [RegistrationTime]ENDORDER BY [RegistrationTime]END;The second option is very attractive, because it is obviously easier tomaintain such code. However, I am a little concerned about performance ofsuch stored procedure. It is not possible to foresee what index should beused, index can only be selected each during procedure execution, becausesearch criteria can include either Name, Status or RegistrationTime. Will itmake this SP inefficient? Or perormance difference in such case is not big(if any) and we should choose the second option because of its significantcode reduction?Thanks in advanceVagif AbilovJoin Bytes!
View 3 Replies View RelatedI am facing some performance issues in a Stored Procedure. The procedure
needs to return a resultset based on some search criteria. There are around
20 possible search criteria. Below is the SQL query used in my Stored
procedure. Any help to optimize the search will be great:
--get LOV details in table variables
INSERT INTO @tblLov (LovCode, LovDesc, ParamCode)
SELECT LovCode, LovDesc, ParamCode FROM tp_Lov WITH (NOLOCK)
WHERE ParamCode IN('FileSrc', 'CommTrailInd', 'CommTxnStatus',
'AgencyPrincipalInd','ProdSubType','AuditTransStatus')
--get commission transaction according to the search criteria
INSERT INTO @tblSearchResults
SELECT l1.LovDesc AS TransSource,
l2.LOVDesc AS CommTrailInd,
r.RemitCode as RemitNumber,
t.IntTransId as TransNumber,
CONVERT(VARCHAR, t.TrdDt, 110) AS TradeDate,
CONVERT(VARCHAR, t.SettlementDt, 110) AS SettlementDate,
rp.RepCode,
(ISNULL(rp.LstNm,'') + ', ' + ISNULL(rp.FstNm,'')) AS RepName,
(CASE WHEN ISNULL(t.IntClntId,0)=0
THEN ISNULL(t.ClntShortNM, '') +
(CASE WHEN (t.TransSrc = 'NSM' OR (t.TransSrc = 'MCE' AND
ISNULL(t.ProdType,'') <> 'VA')) AND ISNULL(t.FundAcctNum,'')<>'' THEN ' - ' +
ISNULL(t.FundAcctNum,'')
WHEN (t.TransSrc = 'NSV' OR (t.TransSrc = 'MCE' AND ISNULL(t.ProdType,'')
= 'VA')) AND ISNULL(t.PolicyNum,'')<>'' THEN ' - ' + ISNULL(t.PolicyNum,'')
WHEN t.TransSrc IN('PSH','MSR') AND ISNULL(t.ClrHouseAcctNum,'')<>'' THEN
' - ' + ISNULL(t.ClrHouseAcctNum,'')
ELSE '' END)
ELSE dev.udf_COMM_PCD_GetClientName(t.IntClntId, t.IntTransId)
END) AS Client,
(CASE WHEN ISNULL(t.CUSIP,'')='' THEN t.ProdName ELSE p.ProdNm END) AS
[Product],
t.InvAmt AS InvestmentAmt,
t.GDC AS GDC,
t.ClrChrg AS ClearingCharge,
t.NetComm AS NetCommission,
(CASE WHEN t.Status IN(@strLov_TxnStatus_Tobepaid, @strLov_TxnStatus_Paid)
THEN dev.udf_COMM_PCD_GetPayoutRateString(t.IntTransId) ELSE '' END) AS
PayoutRate,
(CASE WHEN t.Status IN(@strLov_TxnStatus_Tobepaid, @strLov_TxnStatus_Paid)
THEN dev.udf_COMM_PCD_GetPayoutAmountString(t.IntTransId) ELSE '' END) AS
Payout,
l3.LOVDesc AS TransStatus,
t.Comments,
t.OrderMarkup AS BDMarkup,
t.IntTransId,
rp.IntRepId,
sch.SchCode,
t.IntClntId,
t.CUSIP,
t.RepIdValue AS RepAlias,
t.RepIdType,
t.SplitInd,
l4.LOVDesc AS AgencyPrincipalInd,
t.AgencyPrincipalFee,
t.EmployeeTradeInd,
t.ShareMarkup,
t.UnitsTraded,
s.SponsorNm,
CASE WHEN t.TransSrc = 'NSM' OR (t.TransSrc = 'MCE' AND
ISNULL(t.ProdType,'') <> 'VA') THEN ISNULL(t.FundAcctNum,'') --Production
Defect #873 & 877
WHEN t.TransSrc = 'NSV' OR (t.TransSrc = 'MCE' AND ISNULL(t.ProdType,'') =
'VA') THEN ISNULL(t.PolicyNum,'')
ELSE t.ClrHouseAcctNum END,
CASE WHEN ISNULL(t.ProdSubType,'') IN ('', 'Z') THEN 'Not Defined'
ELSE l6.LovDesc END AS ProdSubType, --t.ProdSubType,
l5.LOVDesc AS TransAuditStatus, --t.TransAuditStatus,
t.TransAuditStatus AS TransAuditStatusCode,
t.OriginalTransId,
t.RowId,
t.Status,
t.intParentTransId,
t.CancelTrdInd,
t.ClrChrgOverrideInd,
9999 AS AuditKey
FROM tr_CommTrans t WITH (NOLOCK)
INNER JOIN @tblLov l1 ON t.TransSrc = l1.LOVCode and l1.ParamCode = 'FileSrc'
INNER JOIN @tblLov l2 ON t.CommTrailInd = l2.LOVCode and l2.ParamCode =
'CommTrailInd'
INNER JOIN @tblLov l3 ON t.Status = l3.LOVCode and l3.ParamCode =
'CommTxnStatus'
INNER JOIN td_Remit r WITH (NOLOCK) ON t.IntRemitId = r.IntRemitId
LEFT OUTER JOIN @tblLov l4 ON t.AgencyPrincipalInd = l4.LOVCode and
l4.ParamCode = 'AgencyPrincipalInd'
LEFT OUTER JOIN @tblLov l5 ON t.TransAuditStatus = l5.LOVCode AND
l5.ParamCode = 'AuditTransStatus'
LEFT OUTER JOIN @tblLov l6 ON t.ProdSubType = l6.LOVCode AND l6.ParamCode =
'ProdSubType'
LEFT OUTER JOIN tm_BDProd p WITH (NOLOCK) ON t.CUSIP = p.CUSIP
LEFT OUTER JOIN tm_BDSponsors s WITH (NOLOCK) ON t.IntBDSponsorId =
s.IntBDSponsorId
LEFT OUTER JOIN tm_Reps rp WITH (NOLOCK) ON t.IntRepId = rp.IntRepId
LEFT OUTER JOIN tm_PayoutSch sch WITH (NOLOCK) ON t.IntSchId = sch.IntSchId
WHERE t.IntTransId = (CASE WHEN @intTransId IS NULL THEN t.intTransId ELSE
@intTransId END) AND
t.TransSrc = @strTransSrc AND
r.RemitCode = (CASE WHEN ISNULL(@strRemitCode,'')='' THEN r.RemitCode ELSE
@strRemitCode END) AND
ISNULL(t.SettlementDt,'01-01-1900') BETWEEN @dtmFromSettlementDt AND
@dtmToSettlementDt AND
ISNULL(t.TrdDt,'01-01-1900') BETWEEN @dtmFromTradeDt AND @dtmToTradeDt AND
t.CommTrailInd = (CASE WHEN @chrShowTrails='Y' THEN t.CommTrailInd ELSE 'C'
END) AND
t.Status = (CASE WHEN ISNULL(@strStatus,'')='' THEN t.Status ELSE
@strStatus END) AND
ISNULL(t.ClrHouseAcctNum,'') LIKE (CASE WHEN ISNULL(@strAccountId,'')=''
THEN ISNULL(t.ClrHouseAcctNum,'')
WHEN (@strTransSrc = 'PSH' OR @strTransSrc = 'MSR' OR @strTransSrc
= 'MSA') THEN @strAccountId
ELSE ISNULL(t.ClrHouseAcctNum,'') END) AND
ISNULL(t.FundAcctNum,'') LIKE (CASE WHEN ISNULL(@strAccountId,'')='' THEN
ISNULL(t.FundAcctNum,'')
WHEN @strTransSrc = 'NSM' THEN @strAccountId
WHEN @strTransSrc = 'MCE' AND ISNULL(t.ProdType,'')<>'VA' THEN
@strAccountId
ELSE ISNULL(t.FundAcctNum,'') END) AND
ISNULL(t.PolicyNum,'') LIKE (CASE WHEN ISNULL(@strAccountId,'')='' THEN
ISNULL(t.PolicyNum,'')
WHEN @strTransSrc = 'NSV' THEN @strAccountId
WHEN @strTransSrc = 'MCE' AND ISNULL(t.ProdType,'')='VA' THEN
@strAccountId
ELSE ISNULL(t.PolicyNum,'') END) AND
ISNULL(t.IntBDSponsorId,-1) = (CASE WHEN @intSponsorId IS NULL THEN
ISNULL(t.IntBDSponsorId,-1) ELSE @intSponsorId END) AND
ISNULL(t.ProdType,'') = (CASE WHEN ISNULL(@strProdType,'')='' THEN
ISNULL(t.ProdType,'') ELSE @strProdType END) AND
ISNULL(t.ProdSubType,'') = (CASE WHEN ISNULL(@strProdSubType,'') ='' THEN
ISNULL(t.ProdSubType,'') ELSE @strProdSubType END) AND
ISNULL(t.CUSIP,'') = (CASE WHEN ISNULL(@strCUSIP,'')='' THEN
ISNULL(t.CUSIP,'') ELSE @strCUSIP END) AND
ISNULL(rp.SSN, 0) = (CASE WHEN @numRepSSN IS NULL THEN ISNULL(rp.SSN, 0)
ELSE @numRepSSN END) AND
ISNULL(rp.RepCode,'') = (CASE WHEN ISNULL(@strRepCode,'')='' THEN
ISNULL(rp.RepCode,'') ELSE @strRepCode END) AND
ISNULL(rp.LstNm, '') = (CASE WHEN ISNULL(@strRepLstNm,'')='' THEN
ISNULL(rp.LstNm,'') ELSE @strRepLstNm END) AND
ISNULL(rp.FstNm, '') = (CASE WHEN ISNULL(@strRepFstNm,'')='' THEN
ISNULL(rp.FstNm,'') ELSE @strRepFstNm END) AND
ISNULL(rp.RepStatus,'') <> (CASE WHEN @chrIncludeTerminated='Y' THEN 'Z'
ELSE 'T' END) AND
ISNULL(t.IntClntId,-1) = (CASE WHEN @intClientId IS NULL THEN
ISNULL(t.IntClntId,-1) ELSE @intClientId END) AND
( (@chrAuditReportFlag = 'N' AND
t.Status NOT IN(@strLov_TxnStatus_Loaded, @strLov_TxnStatus_Cancelled) AND
ISNULL(TransAuditStatus,@strLov_TransAuditStatus_Active) =
@strLov_TransAuditStatus_Active
)
OR
(@chrAuditReportFlag = 'Y' AND
t.Status NOT IN(@strLov_TxnStatus_Loaded)
DefectID# 880,895
IN(@strLov_TransAuditStatus_Active, @strLov_TransAuditStatus_Cancelled)
)
)
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?
Hi, all experts here,
Would any of you give me any ideas for how could we optimize the report on data mining models? (as we know, for the data mining report, we have to select the mining model and the case table)
Hope it is clear for your advices and help.
Thanks a lot in advance and I am looking forward to hearing from you shortly.
With best regards,
Yours sincerely,
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?
View 8 Replies View RelatedHello Everybody,
I have a small tricky problem here...need help of all you experts.
Let me explain in detail. I have three tables
1. Emp Table: Columns-> EMPID and DeptID
2. Dept Table: Columns-> DeptName and DeptID
3. Team table : Columns -> Date, EmpID1, EmpID2, DeptNo.
There is a stored procedure which runs every day, and for "EVERY" deptID that exists in the dept table, selects two employee from emp table and puts them in the team table. Now assuming that there are several thousands of departments in the dept table, the amount of data entered in Team table is tremendous every day.
If I continue to run the stored proc for 1 month, the team table will have lots of rows in it and I have to retain all the records.
The real problem is when I want to retrive data for a employee(empid1 or empid2) from Team table and view the related details like date, deptno and empid1 or empid2 from emp table.
HOw do we optimise the data retrieval and storage for the table Team. I cannot use partitions as I have SQL server 2005 standard edition.
Please help me to optimize the query and data retrieval time from Team table.
Thanks,
Ganesh
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.
View 2 Replies View RelatedHi, 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..
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!!!
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
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
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
View 9 Replies View RelatedHi,
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.
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
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
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"
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.
Dear Advance,I used one stored procedure to retrive 3 different result set. and in the codebehind i seperate it. means from the dataset i seperate three different datatable and then show my data as my need.but the main problem is ... after retriving the datafrom the database i have to user foreach loop to bind the coulmns data to my different custom class.example: foreach (DataRow oDrow in MyDataTable.Rows) {oClass=new Class();oClass.Name1=oDrow["Name1"] .toString();oClass.Name2=oDrow["Name2"] .toString();.... } 1. so my first question is there any optimization possible ?2. my result set is too loong ... so should keep just one hit to database or hit more than one time Currently i am optimizing my web application. in the previous version 1 have to hit the database 3/4 times for different purposes. but now it hits only one time... but it takes time in the codebehind to perform different operation.Any Suggestion
View 1 Replies View RelatedI have a SP that calls about 10 stored procedures sequentially. The 10 SP's are basically complex update statements, each one individual. Is there any way to optimize this?
I know putting the 10 into 1 SP would make it compile faster but thats about it. Are there any execution tricks of Stored Procedures firing off sequentially?..or anything I should know?
-thanks
Bartman
Hello All,
What is the best way to optimize this code or rewrite it using ISNULL ?
CREATE PROCEDURE get_employees (@dept char(8), @class char(5))
AS
IF (@dept IS NULL AND @class IS NOT NULL)
SELECT * FROM employee WHERE employee.dept IS NULL
AND employee.class=@class
ELSE IF (@dept IS NULL AND @class IS NULL)
SELECT * FROM employee WHERE employee.dept IS NULL
AND employee.class IS NULL
ELSE IF (@dept IS NOT NULL AND @class IS NULL)
SELECT * FROM employee WHERE employee.dept=@dept
AND employee.class IS NULL
ELSE
SELECT * FROM employee WHERE employee.dept=@dept
AND employee.class=@class
Thanks in advance.
-Praveena
I am wondering if the size of the data file makes a difference in running Insert's and/or doing Fetch's. Our DB was 11GB in size, I ran a dbcc shrinkdatabase and it shrank it to 5.5 GB in size, now that it is smaller will it run a select query faster as opposed to when we run large inserts and it has to automatically grow to accommodate the insert. I am trying to figure out if I should leave my .mdf file large or keep it small or does it even make a difference. I am only doing large inserts while loading data to get ready for production after that the inserts will be hourly but much smaller, however our queries to the DB after it is in production will be much more intensive.
Hope this makes sense. Appreciate your help.
Hi All,
I am writing a script that runs the optimization process. I am not sure how to test it? Any help is greatly appreciated.
Hello,
Is there a tool to optimize SQL procedures code?
Thanks,
Miguel
We're building a company wide network monitoring systemin Java, and need some advice on the database design andtuning.The application will need to concurrently INSERT,DELETE, and SELECT from our EVENT table as efficiently aspossible. We plan to implement an INSERT thread, a DELETEthread, and a SELECT thread within our Java program.The EVENT table will have several hundred million recordsin it at any given time. We will prune, using DELETE, aboutevery five seconds to keep the active record set down toa user controlled size. And one of the three queries willbe executed about every twenty seconds. Finally, we'llINSERT as fast as we can in the INSERT thread.Being new to MSSQL, we need advice on1) Server Tuning - Memory allocations, etc.2) Table Tuning - Field types3) Index Tuning - Are the indexes right4) Query Tuning - Hints, etc.5) Process Tuning - Better ways to INSERT and DELETE, etc.Thanks, in advance, for any suggestions you can make :-)The table is// CREATE TABLE EVENT (// ID INT PRIMARY KEY NOT NULL,// IPSOURCE INT NOT NULL,// IPDEST INT NOT NULL,// UNIXTIME BIGINT NOT NULL,// TYPE TINYINT NOT NULL,// DEVICEID SMALLINT NOT NULL,// PROTOCOL TINYINT NOT NULL// )//// CREATE INDEX INDEX_SRC_DEST_TYPE// ON EVENT (// IPSOURCE,IPDEST,TYPE// )The SELECTS areprivate static String QueryString1 ="SELECT ID,IPSOURCE,IPDEST,TYPE "+"FROM EVENT "+"WHERE ID >= ? "+" AND ID <= ?";private static String QueryString2 ="SELECT COUNT(*),IPSOURCE "+"FROM EVENT "+"GROUP BY IPSOURCE "+"ORDER BY 1 DESC";private static String QueryString3 ="SELECT COUNT(*),IPDEST "+"FROM EVENT "+"WHERE IPSOURCE = ? "+" AND TYPE = ? "+"GROUP BY IPDEST "+"ORDER BY 1 DESC";The DELETE isprivate static String DeleteIDString ="DELETE FROM EVENT "+"WHERE ID < ?";
View 2 Replies View RelatedThere are two main tables in my app,in order to optimize search via scope condition, I set many indexs for these two tables
however,at the same time the two tables are also used for my etl app,everyday there are more than thousands of data need to be updated or inserted, but index is not suitable for huge modification,any idea about how to handle this?
thanks in advance
Hello,
what is the meaning about <MissingIndexGroup Impact="99.9521"> in the Queryplan? Should I create a Grouped Index? An what is the meaning about Impact="99.9521"?
If the Impact =100 you get a 100% better performance, and if the impact =20 ypu get a 20% better performance, is this the meaning?
finchen
Hi,
Can anyone help me optimize the SELECT statement in the 3rd step? I am actually writing a monthly report. So for each employee (500 employees) in a row, his attendance totals for all days in a month are displayed. The problem is that in the 3rd step, there are actually 31 SELECT statements which are assigned to 31 variables. After I assign these variable, I insert them in a Table (4th step) and display it. The troublesome part is the 3rd step. As there are 500 employees, then 500x31 times the variables are assigned and inserted in the table. This is taking more than 4 minutes which I know is not required :). Can anyone help me optimize the SELECT statements I have in the 3rd step or give a better suggestion.
DECLARE @EmpID, @DateFrom, @Total1 .... // Declaring different variables
SELECT @DateFrom = // Set to start of any month e.g. 2007-06-01 ...... 1st
Loop (condition -- Get all employees, working fine)
BEGIN
SELECT @EmpID = // Get EmployeeID ...... 2nd
SELECT @Total1 = SUM (Abences) ...... 3rd
FROM Attendance
WHERE employee_id_fk = @EmpID (from 2nd step)
AND Date_Absent = DATEADD ("day", 0, Convert (varchar, @DateFrom)) (from 1st step)
SELECT @Total2 ........................... same as above
SELECT @Total3 ........................... same as above
INSERT IN @TABLE (@EmpID, @Total1, ...... @Total31) ...... 4th
Iterate (condition) to next employee ...... 5th
END
It's only the loop which consumes the 4 minutes. If I can somehow optimize this part, I will be most satisfied. Thanks for anyone helping me....
Hi guys,
Could any one tell me what is the best way to declare a connection from ASP .net to a SQL database so the sql could support the maximum users, because it seems that the way i'm using is not correct cuz when i make some transactions from my website to the database, the database send an error message saying that there are no more free connections.
Thnx
This may sound a little silly, but does anyone have any words of wisdom on how to optimize a server/database for minimim rollback? We have some multimillion row tables we were trying to do updates against, and after several days they increased the size of the transaction log to the point they filled up the drive the database files/logs were on. We've now been running a rollback for about five days. I'd like to make sure this doesn't happen again.
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