Tunning Up A SQL Database
Jan 18, 2007
This started on a Monday, SQL Server is straining the Server box,
I tried checking up on all the stored procs and changes that happened the previous week onto the Database, but nothing really major, So I tried archiving most of the data that's not needed,
Took down the MDF file from 1.2 GB to 633MB, and switched off the auto growth function on the Data File and Log File,
But the Server is still hammered,
I read a few articles on using the Index Tunning Up Wizard, but still
Curious if its safe,
Can anybody suggest anything, before i make my rough changes
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Apr 23, 2008
Hi
I m going through tunning part and fired query on table Code having 12500 rows
SET STATISTICS IO ON
GO
SELECT COUNT(*) FROM Code
GO
SET STATISTICS IO OFF
GO
sp_spaceused Code
got results as
Table 'Code'. Scan count 1, logical reads 60, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0.
Name: Code
rows : 12500
reserved: 7424 KB
data : 6272 KB
index_size: 1008 KB
unused : 144 KB
If we creat table from select * into table syntax and then create PK on the table then why there is difference in results of index_size?
got results as
Table 'TestCode'. Scan count 1, logical reads 394, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0.
Name: TestCode
rows : 12500
reserved: 3208 KB
data : 3136 KB
index_size: 16 KB
unused : 56 KB
here really index not playing part???
help me out
T.i.A
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Aug 10, 2003
Hi, Friends!
My problem is: Ms SQL 2000, Service Pack 2 (we should install Service Pack3), 1G RAM, database not so big- about 600M.
We have an application of our client running on it.After 15-20 minutes RAM reach the limit.
So what I can do in DB configuration to fix the problem without fixing SQL or stored procedures in application.
I'm new in Ms SQL, so every advance will be appreciated!!!!
Marina.
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Mar 7, 2008
hi,
pls help me,tel abt query tunning & performance tunning.
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Apr 8, 2008
Hi,
Somebody please help me with mostly asked question on Performance Tunning Section. I have my client interview schedule for this profile.
Thanks in advance.
-- Chetan
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Apr 19, 2008
Hi,
Is there any index tunning tools for MS SQL 2005 better than its own one?
Thanks,
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Jun 18, 2008
Dear All,
I am having the customer db and which is running since last 1995. it is having the simple customer table which record all the customer who is visiting our 4 star hotel. this table is having 19,23,499 records. i want to run before that it was running within 1 min to display result. but suddunly it was stop down. how to tune and performe to get much faster or prevent in feature..............
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Jun 27, 2007
In our environment we have a very high insert intensive OLTP table, this has 60 million rows. From some of our applications we are very rarely getting timeouts when inserting data into this table. We are expecting that this table would soon run into billion rows and continue to grow. below is the table description and indexes. What indexes should we keep/remove on this table?
Column Name Datatype computed Length Precision Scale Nullable
Col1 int no 4 10 0 no
Col2 smallint no 2 5 0 no
Col3 smallint no 2 5 0 yes
Col4 int no 4 10 0 yes
Col5 int no 4 10 0 yes
Col6 int no 4 10 0 yes
Col7 char no 10 yes
Col8 int no 4 10 0 yes
Col9 uniqueidentifier no 16 yes
Col10 datetime no 8 yes
Col11 smallint no 2 5 0 yes
Col12 varchar no 15 yes
Col13 varchar no 30 yes
Col14 varchar no 50 yes
Col15 int no 4 10 0 yes
Col16 int no 4 10 0 yes
Col17 varchar no 12 yes
Col18 smallint no 2 5 0 yes
Col19 smallint no 2 5 0 yes
Col20 int no 4 10 0 yes
Col21 bit no 1 no
Col22 int no 4 10 0 yes
Col23 bit no 1 no
Col24 bit no 1 no
Col25 datetime no 8 no
Col26 char no 6 yes
Col27 char no 6 yes
Col28 smallint no 2 5 0 yes
Col29 char no 2 yes
Col30 int no 4 10 0 yes
Col31 smallint no 2 5 0 yes
Col32 smallint no 2 5 0 yes
Col33 bit no 1 yes
Index1 nonclustered, stats no recompute located on FileGroup2 Col9, Col10, Col12
Index2 nonclustered, stats no recompute located on FileGroup2 Col9, Col12, Col11, Col10, Col4
Index3 nonclustered, stats no recompute located on FileGroup2 Col6
Index4 nonclustered, stats no recompute located on FileGroup2 Col6, Col4
Index5 nonclustered, stats no recompute located on FileGroup2 Col5, Col9
Index6 nonclustered, stats no recompute located on FileGroup2 Col4, Col9
Index7 nonclustered, stats no recompute located on FileGroup2 Col29
Index8 nonclustered, stats no recompute located on FileGroup2 Col9
Index9 nonclustered, stats no recompute located on FileGroup2 Col6, Col9
Index10 nonclustered, stats no recompute located on FileGroup2 Col7
Index11 nonclustered, stats no recompute located on FileGroup2 Col12
Index12 clustered, unique, primary key, stats no recompute located on FileGroup3 Col1
Any links to MS best practises on indexes for sqlserver 2000 appreciated.
thanks a lot in advance.
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Nov 15, 2007
We replicate a SQL2000 database (DataBaseA) to a SQL2000 database (DataBaseB) by using the Restore function and hasn't change its logical name but only the physical data path and file name. It is running fine for a year. We use the same way to migrate the DataBaseB to a new SQL2005 server with the Restore function and the daily operation is running perfect. However, when we do the Backup of DatabaseB in the SQL2005, it just prompt the error message
System.Data.SqlClient.SqlError: The backup of full-text catalog 'DataBaseA' is not permitted because it is not online. Check errorlog file for the reason that full-text catalog became offline and bring it online. Or BACKUP can be performed by using the FILEGROUP or FILE clauses to restrict the selection to include only online data. (Microsoft.SqlServer.Smo)
Please note we left the DataBaseA in the old SQL2000 server.
Please help on how we can delete the Full-text catalog from DatabaseB so we can do a backup
Many Thanks
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Oct 14, 2015
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Oct 9, 2007
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Aug 18, 2005
I want to create a duplicate database in sql 2000 using asp.net from a webform
I created a database using CREATE DATABASE .......
But how to copy tables, views, stored procedures to newly created
database from old using asp.net from webform
Is there any another method to create a duplicate database with another name
from existing database on same server ?
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Sep 2, 2007
Greetings, I have just arrived back into the country (NZ) and back into ASP.NET.
I am having trouble with the following:An attempt to attach an auto-named database for file (file location).../Database.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
It has only begun since i decided i wanted to use IIS, I realise VWD comes with its own localhost, but since it is only temporary, i wanted a permanent shortcut on my desktop to link to my intranet page.
Anyone have any ideas why i am getting the above error? have searched many places on the internet and not getting any closer.
Cheers ~ J
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Apr 9, 2008
I have a problem when i restore my .DAT_BAK file. I am getting error like "The backup set holds a backup of a database other than existing database. Restore Database is terminating abnormally".
I tried by using
RESTORE DATABASE <DATABASENAME>
FROM DISK = 'D:DATAMYTEST.DAT_BAK'
WITH MOVE 'VZAI_DATA' TO D:PROGRAM FILES..MSSQLTEST.MDF',
MOVE 'VZAI_LOG' TO D:PROGRAM FILES..MSSQLTEST.LDF',
REPLACE
And also i tried like
RESTORE DATABASE <DATABASENAME>
FROM DISK = 'D:DATAMYTEST.DAT_BAK'
WITH REPLACE
When i use like this,
RESTORE FILELISTONLY FROM DISK = 'D:DATAMYTEST.DAT_BAK'. I am able to get the output as LogicalName, PhysicalName, Type, FileGroupName, Size, etc.
Can i anyone please help me out?
Thanks in Advance,
Anand Rajagopal
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Oct 2, 2007
I am using SQL express and Visual web developer on windows Vista.
When I try to create a new database the following message appears.
CREATE DATABASE permission denied in database master (error 262)
I log on to my computer as an administrator.
Help appreciated
Prontonet
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Jan 14, 2008
Hi all,
From the http://msdn.microsoft.com/en-us/library/bb384469.aspx (Walkthrough: Creating Stored Procedures for the Northwind Customers Table, I copied the following sql code:
--UpdateSPforNWcustomersTable.sql--
USE NORTHWIND
GO
IF EXISTS (SELECT * FROM sysobjects WHERE name = 'SelectCustomers' AND user_name(uid) = 'dbo')
DROP PROCEDURE dbo.[SelectCustomers]
GO
CREATE PROCEDURE dbo.[SelectCustomers]
AS
SET NOCOUNT ON;
SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax FROM dbo.Customers
GO
IF EXISTS (SELECT * FROM sysobjects WHERE name = 'InsertCustomers' AND user_name(uid) = 'dbo')
DROP PROCEDURE dbo.InsertCustomers
GO
CREATE PROCEDURE dbo.InsertCustomers
(
@CustomerID nchar(5),
@CompanyName nvarchar(40),
@ContactName nvarchar(30),
@ContactTitle nvarchar(30),
@Address nvarchar(60),
@City nvarchar(15),
@Region nvarchar(15),
@PostalCode nvarchar(10),
@Country nvarchar(15),
@Phone nvarchar(24),
@Fax nvarchar(24)
)
AS
SET NOCOUNT OFF;
INSERT INTO [dbo].[Customers] ([CustomerID], [CompanyName], [ContactName], [ContactTitle], [Address], [City], [Region], [PostalCode], [Country], [Phone], [Fax]) VALUES (@CustomerID, @CompanyName, @ContactName, @ContactTitle, @Address, @City, @Region, @PostalCode, @Country, @Phone, @Fax);
SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax FROM Customers WHERE (CustomerID = @CustomerID)
GO
IF EXISTS (SELECT * FROM sysobjects WHERE name = 'UpdateCustomers' AND user_name(uid) = 'dbo')
DROP PROCEDURE dbo.UpdateCustomers
GO
CREATE PROCEDURE dbo.UpdateCustomers
(
@CustomerID nchar(5),
@CompanyName nvarchar(40),
@ContactName nvarchar(30),
@ContactTitle nvarchar(30),
@Address nvarchar(60),
@City nvarchar(15),
@Region nvarchar(15),
@PostalCode nvarchar(10),
@Country nvarchar(15),
@Phone nvarchar(24),
@Fax nvarchar(24),
@Original_CustomerID nchar(5)
)
AS
SET NOCOUNT OFF;
UPDATE [dbo].[Customers] SET [CustomerID] = @CustomerID, [CompanyName] = @CompanyName, [ContactName] = @ContactName, [ContactTitle] = @ContactTitle, [Address] = @Address, [City] = @City, [Region] = @Region, [PostalCode] = @PostalCode, [Country] = @Country, [Phone] = @Phone, [Fax] = @Fax WHERE (([CustomerID] = @Original_CustomerID));
SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax FROM Customers WHERE (CustomerID = @CustomerID)
GO
====================================================================================
I executed the above code in my SQL Server Management Studio Express (SSMSE) and I got the following error messages:
Msg 911, Level 16, State 1, Line 1
Could not locate entry in sysdatabases for database 'NORTHWIND'. No entry found with that name.
Make sure that the name is entered correctly.
===============================================================================================================
I know I recreated the NORTHWIND Database from a different Database before and I did not do anything for the entry in sysdatabases. How can I change the entry in sysdatabases for database 'NORTHWIND' now? Please help and advise.
Thanks in advance,
Scott Chang
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Mar 8, 2015
I had to to relocate the database log file and I issued an Alter database command but by mistake I put a space in the file name as below. The space is at the beginning file name. Now I am unable get the database loaded to SQL Server. The database has 2 replications configured, so deleting and re-attaching the database means the replication needs to be re-configured. Is there an alternative way to issue a command to update the database FILENAME ? Not sure if this can be edited in master database (sys files).
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GO
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Mar 31, 2007
I created the db with the attached script and I am able to access ituntil I reboot the server. I've tried enabling flag 1807 via the SQLserver service and the startup parameters of the instance. In allcases the database always come up suspect after a reboot. There wasone instance where I was able to recover, but I am not sure how thathappened.Does anyone have an idea of how I can reboot the server without thedatabase becomming suspect?USE MASTERGODBCC TRACEON(1807)GO--DBCC TRACEOFF(1807)--DBCC TRACESTATUS(1807)GOCREATE DATABASE ReadyNAS ON( NAME = ReadyNAS_Data,FILENAME = '\NAS1NASDiskSQL ServerReadyNASReadyNAS_Data.mdf',SIZE = 100MB,MAXSIZE = 20GB,FILEGROWTH = 20MB)LOG ON ( NAME = ReadyNAS_Log,FILENAME = '\NAS1NASDiskSQL ServerReadyNASReadyNAS_Log.ldf',SIZE = 20MB,MAXSIZE = 100MB,FILEGROWTH = 10MB)
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Nov 5, 2007
Hi all,
I downloaded and ran AdventureWorks.msi into my SQL Server Management Studio Express (SSMSE) one year ago.But I did not know how to attach it to my SSMSE then. Last week, I deleted it from the "Add or Remove" of Control Panel and I downloaded the new AdventureWork.msi and installed it my SSMSE. Today, I tried to use the Database Explorer of VB 2005 Express for the first Stored Procedure programming. I clicked on AdventureWorks.mdf and I got the following error: One or more files do not match the primary of the database. If you are attempting to attach a database, retry the operation with the correct files. If this is an existing database, the file may be corrupt and should be restored from a backup. Cannot open user default database. Login failed. Login failed for user 'CENADe1enxshc'. Log file 'C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataAdventureWorks_Data_log.ldf' does not match the primary file. It may be from a different database of the log may have been rebuilt previously. Please help and advise me how to correct this problem.
Thanks,
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Feb 13, 2008
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Apr 23, 2006
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Database 'sw_charts' cannot be upgraded because it is read-only or has read-only files. Make the database or files writeable, and rerun recovery.
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Feb 4, 2008
Hi all
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Sep 26, 2006
Dear All,
i have a question abt winCE 4.2 and SQL server CE.
i am using VB.net of Visual Studio 2005
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I got a problem of how to sync / read the sql CE data from a windows application.
so, i wanna ask,
1. any method to access the data from winCE data by windows application? or can i convert the sdf file to windows readable files? or any others?
2. Can i use a MDB to sync with SQL server CE?
can i synchronize the mobile device which has a SQL Server CE database with the Access database on the desktop?
last question,
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please help me out
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Apr 8, 2007
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Feb 12, 2008
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Nov 1, 2001
Hi all,
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May 9, 2012
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Sep 3, 2014
I did tried the encryption on server "A" for database "AdventureWorks2012". Then I tried to restore to server "B". There was the certificate issue, and I thought "of course : it's encrypted ! Let's deactivate it". So here I go "ALTER DATABASE AdventureWorks2012 SET ENCYRPTION OFF".I look at sys.databases : not encrypted.I backup using no encryption, I verify using msdb.dbo.backupset : not encrypted.
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Msg 33111, Level 16, State 3, Line 1
Cannot find server certificate with thumbprint '0xFA130E58C999C4919B8975999C83A75A403B11D8'.
Msg 3013, Level 16, State 1, Line 1
RESTORE DATABASE is terminating abnormally.
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