How To &"Optimise&" An SQL 2000 Db?
Nov 14, 2006
Have built tables with stitistical data (very large)in SQL Server 2000
All with 2 fields in common: "Node" and "Datestamp"
At the moment none is indexed.
Tables will have joins added in Business Objects Universe.
How do I know if adding indicis would improve speed of queries?
And if so how are these best added?
Do all tables need indicis or just some?
What does it mean to Optimise the db above adding Index columns?
Can the DB be made optimise itself automatically?
Any prompts very appreciated,
Gezza
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Jun 2, 2006
Hello All,
I have a query that I could use some help with. I would like to see how I could make this query more optimised. I am not hte best at Joins so if someone could help me with this that would be great. Right now its taking about 24-30 secs to run which is a no go. Im wondering if some kind of join would work better?
thank you much
-jes
SELECTrecipes_signed_up_for.user_id,
recipes_signed_up_for.recipe_id,
recipes_signed_up_for.use_in_lesson_plan AS use_in_lesson_plan,
recipes_signed_up_for.attached_lesson_plan AS attached_lesson_plan,
recipes_signed_up_for.participate,
recipes_signed_up_for.authorized AS authorized,
recipes_signed_up_for.date_signed_up_for AS date_signed_up_for,
users.user_id,
users.f_name AS f_name,
users.l_name AS l_name,
users.email_address AS email_address,
users.primary_phone AS primary_phone,
recipes.recipe_name AS recipe_name,
recipes.recipe_id AS recipe_id,
recipes.number_served AS number_served,
recipes.last_day_to_sign_up_for AS last_day_to_sign_up_for,
recipes.recipe_instructions AS recipe_instructions,
recipes.active_recipe,
recipe_ingredients.recipe_ingredient_id,
recipe_ingredients.recipe_id,
recipe_ingredients.ingredient_id,
recipe_ingredients.ingredient_quantity AS ingredient_quantity,
recipe_ingredients.ingredient_unit,
recipe_ingredients.active_ingredient AS active_ingredient,
ingredients.ingredient_id,
ingredients.ingredient AS ingredient_name,
recipes_signed_up_for_ingredients_needed.ingredient_id,
recipes_signed_up_for_ingredients_needed.ingredient_needed AS ingredient_needed
FROMrecipes, recipe_ingredients, ingredients, recipes_signed_up_for_ingredients_needed, recipes_signed_up_for, users, locations, regions
WHERErecipes.recipe_id = recipe_ingredients.recipe_id
AND recipe_ingredients.ingredient_id = ingredients.ingredient_id
AND recipes_signed_up_for_ingredients_needed.user_id = #url.user_id#
AND recipes_signed_up_for_ingredients_needed.ingredient_id = recipe_ingredients.ingredient_id
AND recipes_signed_up_for_ingredients_needed.ingredient_needed = 1
AND recipes.recipe_id = recipes_signed_up_for.recipe_id
AND recipes_signed_up_for.user_id = users.user_id
AND recipes_signed_up_for.user_id = #URL.user_id#
AND recipes_signed_up_for.participate = 1
AND locations.region_id = regions.region_id
AND recipes_signed_up_for.recipe_id IN (SELECTrecipe_id
FROMrecipes
WHEREactive_recipe = 1)
ORDER BY recipes.recipe_name
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Oct 11, 2005
Hi guysIs there any way I can run this query faster? Should I take out the ORDER BYclause? This is supposed to return 17,000 rows and takes around 30 minutes orso. Is there no way at all to get this result faster?select r.AttorneyName, r.sitename, r.applicationid, r.clientsurname, r.clientinitials, r.clientidno, r.grantedamount, r.bankname,r.accountnumber, r.status, r.grantdate, r.consultantname, r.propertyaddress,r.erfdescription, r.commenthistory, br.expectedregdatefrom bondtrak..rptdetail rjoin ebondprd..bankresponse bron br.applicationid = r.applicationidwherer.rundate = '20051010'and r.primarybankind = 'Y'and r.status = 'granted'and r.statusdate between '20020101' and '20050930'and r.businessunit in ('bond choice', 'ppl')order by r.sitename, r.consultantname, r.statusdateThanks for any help.Driesen--Message posted via SQLMonster.comhttp://www.sqlmonster.com/Uwe/Forum...eneral/200510/1
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Jul 20, 2005
I have these 3 queries - they are the same except each fetches record countsfor one of 3 different record types, nSubsets (type 0), nAssets (type 1) andnImages (type 2). Is there any way I could get all 3 of these (based on theNode.Type integer) with a single query?IF @Error = 0BEGINSELECT @nSubsets = COUNT(*)FROM NodeINNER JOIN AdjacencyON Adjacency.ID_Node = Node.IDWHERE Adjacency.Path LIKE @nodepath + '%'ANDNode.Type = 0SET @Error = @ERRORENDIF @Error = 0BEGINSELECT @nAssets = COUNT(*)FROM NodeINNER JOIN AdjacencyON Adjacency.ID_Node = Node.IDWHERE Adjacency.Path LIKE @nodepath + '%'ANDNode.Type = 1SET @Error = @ERRORENDIF @Error = 0BEGINSELECT @nImages = COUNT(*)FROM NodeINNER JOIN AdjacencyON Adjacency.ID_Node = Node.IDWHERE Adjacency.Path LIKE @nodepath + '%'ANDNode.Type = 2SET @Error = @ERROREND
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May 29, 2008
hi,
I want to know how to optimise this query, the results almost reach 6000 rows, I want to speed this query.
condition2=Select Distinct A,B,B+C+D,E,F,G From a.table where condition1 order by A,B,B+C+D,E,F,G
Select Sum(amount) From b.table where condition2 And date=datetime.
Thanks in advance.
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Apr 18, 2008
Hi,
I use this piece of code in a trigger to check if new entered row has unique order number in the given year:
IF EXISTS
(
SELECT COUNT(*)
FROM SPD_Orders
GROUP BY ORD_Year, ORD_Number
HAVING COUNT(*) <> 1
)
RAISERROR('Order with this No exists in given year, 11, 1)
but this code causes deadlocks in my database.
Any suggestions how can I change it to avoid these deadlock?
1. Some constrain? If yes, so how to write it?
2. Index like to enable query optimiser to change execution plan?
CREATE NONCLUSTERED INDEX [_dta_index_SPD_Orders_10_1429580131__K8_K7] ON [dbo].[SPD_Orders]
(
[ORD_Year] ASC,
[ORD_Number] ASC
3. Same index as above but unique and then I will not have to use this trigger, cause database itself with return an error?
4. Any other, the best solution ?
Please help.
Thanks.
Przemo
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Apr 11, 2008
Ok I have the following SQL, I have a subquery in the SELECT part but also the same subquery in the WHERE part as well.What I'm trying to do is get all parents that have children OR get all parents with no children OR just get all parents regardless (@HasResponses is a BIT that can be 1, 0 or null). At the same time I want to count the total number of children in the select list, but I'm having to copy the same subquery in the SELECT and WHERE parts which doesn't seem terribly optimal to me (maybe it is, that's why I'm asking). I've tried referencing the column alias in the select list (AS [Responses]) for the where part (@HasResponses = 0 AND [Responses] = 0), but it doesn't seem to work.Is this the most optimal way to do it? Is there a better way? I'm working with SQL Server 2005.SELECTf.FeedbackText AS [Feedback Comment],u.Name AS [Feedback Author],f.CreatedDate AS [Created On],(SELECT COUNT(*)FROM FeedbackResponse frWHERE fr.FeedbackID = f.ID) AS [Responses]FROM Feedback fINNER JOIN [User] u ON f.StaffID = u.StaffIDWHERE f.CreatedDate >= @DateFromAND f.CreatedDate <= @DateToAND(@HasResponses IS NULLOR(@HasResponses = 1 AND(SELECT COUNT(*)FROM FeedbackResponse frWHERE fr.FeedbackID = f.ID) > 0)OR(@HasResponses = 0 AND(SELECT COUNT(*)FROM FeedbackResponse frWHERE fr.FeedbackID = f.ID) = 0))
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Mar 11, 2008
Hi,
Please can you help me,
I have created an database with 3 fields
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Mar 11, 2008
Hi,
Please can you help me,
I have created an database with 3 indexed (not clustered) fields
key : bytes 100
error : integer
status : bytes 6
I would like to know how to import 3 million or more records quickly.
If I don't index the the fields, the operation takes 3 hours. With indexed fields it takes overnight. Therefore, how can i optomise the import operation from a .txt file.
Thanks and regards.
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Sep 18, 2006
Hi, please excuse me if this seems like a daft or badly formed question.
A colleage mentioned that when constructing the where clause in a query that it was important what order the criteria were entered. They weren't sure themsleves but the idea was that starting from the bottom of the query you should add the criteria that will have the effect of reducing the data the most and then work 'up' the query back to the from clause.
As a dodgy example, if you have a staff table and you want to run a specific query on all staff over 75 that are male, then:
where gender = "male"
and age >- 75
The reasoning being that the age criteria would reduce the size of the data being worked on more than the gender criteria.
It's been a while since I've had to look at intermediate tables etc but i'm pretty sure this suggestion will not make any difference to the performance of a query.
Thanks,
Matt
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Apr 30, 2008
Hello,
If i want to optimise stored procedure response time.
Which things i need to be considered?
Thanks in advance.
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Mar 15, 2006
Thanks in advance. What is maximum SQL Server database (*.mdf) file size with SQL Server 2000 as part of Microsoft Small Business Server 2000? (Database files were limited to 10 GB in SBS 4.5 with SQLServer 7.0... has this changed?).
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May 21, 2005
Can you install Sql Server 2000 Developer Edition with MSDE 2000 release A already installed?
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Feb 17, 2004
My objective is to use Enterprise Manager to move (copy) my SQL db from the server to my windows desktop computer.
I downloaded MSDE and am having trouble installing it, no doubt because I do not understand the documentaion (ReadMeMSDE2000A.htm).
When I try to run setup, I get that message that says:
"A strong SA password is required for security reasons. Please use SAPWD switch to supply the same."
Considering my purpose, do I need a "strong" SA password? If not, how do I get around it? If yes, how do I set it up?
I am a Mac user so I have poor windows skills, please make it as painless as possible for me, thanks!
Ron
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Feb 16, 2006
venu writes "Hi,
Am very new to MS SQL adminstration
Can anybody help me out how to work on Microsoft SQL Server 2000 Desktop Engine (MSDE 2000) Release A just for the practice.
The activity which am going to workout on MSDE is below.
How to install SQL(on XP)
How the layout will be(like if i insall MSDE what are all Application will be and how they depends on each other)
How to create/delete tables if so, how can we do it either by GUI or CUI
just i need a clarifications reg same
Thank you,
venu"
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Jul 23, 2005
Hi,Simple question: A customer has an application using Access 2000frontend and SQL Server 2000 backend. Data connection is over ODBC.There are almost 250 concurrent users and is growing. Have theysqueezed everything out of Access? Should the move to a VB.Net frontendtaken place ages ago?CheersMike
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Oct 8, 2007
Hi,
Just upgraded some development desktops to Vista Business. However we need
to still connect to some older remote windows 2000/SQL 2000 servers.
Trying to setup an ODBC system DSN on our Vista Business local desktop we get the
following errors -
-START ERROR WINDOW-
Connection Failed:
SQLState: '01000'
SQL Server Error: 772
[Microsoft][ODBC SQL Server Driver][TCP/IP Sockets]ConnectionOpen
(SECDoClientHandshake()0.
Connection failed:
SQLState: '08001'
SQL Server Error: 18
[Microsoft][ODBC SQL Server Driver][TCP/IP Sockets]SSL Security Error
-END ERROR WINDOW-
Any help greatly appreciated as this is stopping us from making
database/table connections etc. We've checked the firewall setup and all is well there.
PS - we can still connect fine using XP or windows 2000 desktops and their
local DSNs.
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Jul 19, 2007
I am attempting to move some SQL 2000 databases to SQL 2005. My main production database does not seem to want to move. When I use the SQL 2005 GUI the .bak backup file is marked 'Incomplete'. When I attempt to restore the backup file I get a 'RESTORE detected an error on page (0:0) in database' message. I saw a thread in the SQL Express forum suggesting trying to restore from the T-SQL level to get the GUI out of the picture and I get the same 'error on page (0:0)' message. However when I take the same file and use SQL 2000 Enterprise Manager it restores with no problems.
Any ideas?
Thanks
Mike Mattix
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May 27, 2008
Parameter
Access 2000/XP
SQL Server 7.0
SQL Server 2000
MSDE 2000
Number of instances per server
n/a
n/a
16
16
Number of databases per instance / server
n/a
32,767
32,767
32,767
Number of objects per database
32,768
2,147,483,647
2,147,483,647
2,147,483,647
Number of users per database
n/a
16,379
16,379
16,379
Number of roles per database
n/a
16,367
16,367
16,367
Overall size of database (excluding logs)
2 GB
1,048,516 TB
1,048,516 TB
2 GB
Number of columns per table
255
1024
1024
1024
Number of rows per table
limited by storage
limited by storage
limited by storage
limited by storage
Number of bytes per row
(Excluding TEXT/MEMO/IMAGE/OLE)
2 KB
8 KB
8 KB
8 KB
Number of columns per query
255
4,096
4,096
4,096
Number of tables per query
32
256
256
256
Size of procedure / query
64 KB
250 MB
250 MB
250 MB
Number of input params per procedure / query
199
1,024
2,100
2,100
Size of SQL statement / batch
64 KB
64 KB
64 KB
64 KB
Depth of subquery nesting
50
32
32
32
Number of indexes per table
32
250 (1 clustered)
250 (1 clustered)
250 (1 clustered)
Number of columns per index
10
16
16
16
Number of characters per object name
64
128
128
128
Number of concurrent user connections
255
32,767
32,767
5
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May 19, 2008
Hi, I am trying to edit some data from a SQL2000-datasource in ASP.NET 2.0 and have a problem with a column that has bit-data and is used for selection. SQL2005 works fine when declaring <SelectParameters> <asp:Parameter DefaultValue="TRUE" Name="APL" Type="boolean" /> </SelectParameters>When running this code with SQL2000, there are no error-msgs, but after editing a record the "APL"-column looses its value of 1 and is set to 0. Looks like an issue with type-conversion, we've hit incompatibilities between SQL200 and 2005 with bit/boolean several times before. So, how is this done correctly with SQL2000? (I've tried setting the Type to "int16" -> err. Also setting Defval="1" gave an err) ThanksMichael
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Jan 25, 2005
Hi, I wanted to see what are all the users in a windows nt group that has a group access to sql server 2000. I have a windows 2000 group access to sqlserver 2000 as "xxxsomegroup". How can I list all users that belongs to this windows 200 group? is there any stored procedure to find out this?
any information could be greatly appreciated.
thanks
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Jul 27, 2004
I recently had to reinstall a new instance of SQLServer 2000, but was unable to use the previous server name. As a result, my Access2000 front end is not happy with it's linked tables. I can't seem to find anyplace within Access to universally change the address of the SQLServer used as the back-end for all linked tables.
When I do try to access the linked tables through Access, I get an error, and the option to change the server location. When I try to type-in the new SQLServer location, there is an attempt to reconnect to SQLServer, but a whole lot of errors are generated, and none of the data is transferred into the Access table.
I really don't want to have to re-do my Access front end, so it seems it would be easiest to somehow reinstall SQLServer to have the same server location it used to. Is there a good way to completely erase all traces of SQLServer so that I can have better luck reinstalling it to the same location it used to be in? Just using the uninstall program from SQLServer doesn't seem to be cutting it.
Thanks!
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Jul 23, 2005
I've created a small company database where the tables reside in a SQLServer database. I'm using Access 2000 forms for a front end.I've got a System DSN set-up to SQL Server and am using links withinAccess 2000 to get to the SQL Server tables.My forms worked fine until I made a few minor changes to the databaseschema on SQL Server (e.g. added a foreign key, or added a column).After that, all the links break - I click on a table link and get anerror msg like "invalid object name."Deleting the links after a schema change and re-adding the links seemedto fix the problem. The forms I'd already created seemed to work fineafter re-creating the links.But then I got more advanced with my forms. I have it set up so thatfor certain entry fields, the combobox gets populated with values froma table (the description appears in the drop-down and the correspondingprimary key value gets populated in the table). I created a number offorms using this technique, entered data, and everything worked fine.Made a small schema change and it broke everything -- not the actualtable links, but the functionality for the drop-downs. My values nolonger appeared, and this was true for forms that accessed tables whoseschemas did not change.This is driving me nuts. Is there any way to keep my forms frombreaking each time I make a small schema change?Thanks.- Dana
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Jul 20, 2005
Hello,I received the error message below when i'm trying to install SQLServer 2000 standard edition into a Windows 2000 Professionaleworkstation.Error :Microsoft SQL server 2000 Standard Edition server components is notsupported on this operating system. Only client components will beavailable for installation.Any request modification ?Best regards,Thanks
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Sep 7, 2007
I've just started getting this EXCEPTION_ACCESS_VIOLATION (0xc0000005) on machines using Windows 2000 sp4 connecting to SQLServer. This is crashing JVMs (multiple Sun versions and BEA also) in the Java VM frame (outside our code). This has just started recently - perhaps with the last set of patches? Has anyone else seen this or know what I could do to get more information? Could this be related to updates to named pipes?
Thanks!
-Brian Temple
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Aug 20, 2007
We are using an Access 2000 project to view our SQL Tables and using Access 2000 Runtime to Access the forms in the project. We have written in a locking system in VB and removed the video controls to prevent users from accessing the same records. But of course now we need to make the video controls available. This has now thrown up the problem of multiple users accessing the same records. We have tried to write code to lock records when then video controls are used but this is not working as well as we hoped. Can anyone please suggest any way of setting up locking on SQL using triggers from the Access frontend? or any other types of locking systems that could be written in the Access front end.
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Nov 21, 2006
Cannot see the Colums in the "design view" of Queries. All i see when i want to design a new query is *columns
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In enterprise manager i see all the columns.
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Oct 18, 2004
Hi,
I worked on a project in ASP.NET using SQL server 2000 as the back end. Its a conversion application that I rewrote in ASP.NET using C#. I need to import the old data in Access db into SQL server 2000 and I have very little knowledge about doing it. The data in not a direct one -one transformation. There are considerable changes to the Database design and data types. Any help and suggestions wud be really helpful. Also, any article links wud be great.
Thanks
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Mar 13, 2001
We have a SQL Server 7.0 system in NT 4.0 environment. We upgraded our users to Access 2000 and started to work with this. Now we installed a new
server which is Windows 2000 based and the domain is different from
the SQL servers domain. We then installed Access 2000 on Windows 2000
to use with terminal server. But I noticed that there was a problem
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I can't see the views and tables. Another thing is access disconects from SQL Server when I want to see the tables. So what can be the problem.
In one part there is an Access 2000 on Windows 2000 server. On the other part SQL Server 7.0 on Windows NT 4.0. And Access can't see the tables in SQL server.
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Dec 18, 2001
When I try to make a connection to an Access .mdb I get the following error:
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May 9, 2002
I have a public mailbox that gets information mailed to it (in a pre-determined format).
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Thanks for any and all help!
Ron
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Mar 13, 2006
Hi,i have SQL 2000 and 2005 on same machine(with different intance names,of course), my laptop - XP with SP2. The 2005 works fine but i can'tconnect on SQL 2000. All the the SQL services are started.Any idea? Have i to reinstall 2000?Tks,Lourival
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Jul 20, 2005
Hi,I have a problem to set a JDBC connection as READ UNCOMMITED.setTransactionIsolation(Connection.TRANSACTION_REA D_UNCOMMITTED)This is causing lots of blocking on tablesand update or insert doesn't work properly.Does anyone have any idea what I'm missing here?I asked i-net support and they suggested to callsetAutoCommit(false) after the above functionand it didn't work.also suggested impltrans = true, and I changed that option on SQLand it caused more blocking.Thanks in advance for any info.
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