Speed Up SQL Database Backup
Dec 20, 1998
Our DBAs want to speed up SQL database backup of a database of 4 GB data size into a network drive on another server. We are using WINNT 4.0 (SP3)& SQL Server 6.5 (SP4). We know that "Backup buffer size" SQL configuration parameter is a way of doing it. Below are results of increasing the value:
1. If the value is more than 10, the runnable value is always 10 even when stopping and starting SQL server services.
2. The SQL backup took much longer time than before when increasing the value from 5 to 10.
How to properly do it ? What could be the problem ? and are there any other considerations to meet ?
Note that total RAM of servers is 512 MB out of which 128 MB is allocated to SQL server.
Anyone's experience and cooperation will be highly appreciated.
Regards,
Einas (DBA)
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Apr 1, 1999
We are currently running Backup Exec v7.0 and are backing up two SQL 6.5 servers on our network. The backups
have begun taking excessive amounts of time considering the limited amounts of data on the servers. Does anyone have
an idea of parameters we could check on the servers or other settings that should be checked in Backup Exec? Also, this
problem seems to have surfaced after we loaded Network Associates VirusScan NT onto our NT Servers and Workstations.
Has anyone had problems with this product on their SQL servers?
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Apr 18, 2008
Is there any improvments in SQL 2008 backup methods such as spliting backup files in manageable size(s), compress the backups and/or improving the speed of backup?
Though there are "commercial" tools available, it would be nicer if Microsoft SQL team can incorporate some core needed features in these areas for Small/Medium size businesses.
This is not a question but a suggesstion.
Thanks
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Oct 18, 2007
Hi,
I have several data bases on a server (SQL Server 2000 only, no web server installed) and lately, as the company keeps gowing, my users complain saying the server gets slow, (this dbs are well designed and recieve optimizations and integrity checks, etc) because of this, Im thinking about getting a new server to repleace my old ProLiant ML 330 which was bought 4 years ago but Im concerned about what server arquitecture or characteristic can help me best to improve response performance, is it HD speed? Processor speed? or more Ram? I want to make a good decision, so I´d really appreciate your help...
Thanks, Luis Luevano
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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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Nov 8, 2006
I have database that contains over 500000 rows. The speed of data excution is extremely slow. Is there any way to speed up the operation?
Thanks.
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Jan 31, 2008
Hi there
I'm getting this message on my third automated backup of the transaction logs of the day. Both databases are in full recovery mode, both successfully backed up at 01.00. The transaction logs backed up perfectly happily at 01:30 and 05:30, but failed at 09:30.
The only difference between 05:30 and 09:30's backups is that the log files were shrunk at 08:15 (the databases in question are the ones that sit under ILM2007, and keeping the log files small keeps the system running better).
Is it possible that shrinking the log files causes the database to think that there hasn't been a full database backup?
Thanks
Jane
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Nov 21, 2005
Well good morning/afternoon to everyone. It's been a while sinse I've posted here and it seems that the site is a lot faster now. Good to see. :) Anyways, I'm working a current problem here at work with our database being quite slow. I've done some research already and will continue to do so but i wanted to get some of your opinions. Right now, I've run the 'DBCC SHOWCONTIG' command and it is telling the following in the first 3 system tables: DBCC SHOWCONTIG scanning 'sysobjects' table... Table: 'sysobjects' (1); index ID: 1, database ID: 6 TABLE level scan performed. - Pages Scanned................................: 34 - Extents Scanned..............................: 12 - Extent Switches..............................: 33 - Avg. Pages per Extent........................: 2.8 - Scan Density [Best Count:Actual Count].......: 14.71% [5:34] - Logical Scan Fragmentation ..................: 41.18% - Extent Scan Fragmentation ...................: 83.33% - Avg. Bytes Free per Page.....................: 2303.6 - Avg. Page Density (full).....................: 71.54% DBCC SHOWCONTIG scanning 'sysindexes' table... Table: 'sysindexes' (2); index ID: 1, database ID: 6 TABLE level scan performed. - Pages Scanned................................: 72 - Extents Scanned..............................: 16 - Extent Switches..............................: 59 - Avg. Pages per Extent........................: 4.5 - Scan Density [Best Count:Actual Count].......: 15.00% [9:60] - Logical Scan Fragmentation ..................: 50.00% - Extent Scan Fragmentation ...................: 81.25% - Avg. Bytes Free per Page.....................: 4184.9 - Avg. Page Density (full).....................: 48.30% DBCC SHOWCONTIG scanning 'syscolumns' table... Table: 'syscolumns' (3); index ID: 1, database ID: 6 TABLE level scan performed. - Pages Scanned................................: 323 - Extents Scanned..............................: 50 - Extent Switches..............................: 299 - Avg. Pages per Extent........................: 6.5 - Scan Density [Best Count:Actual Count].......: 13.67% [41:300] - Logical Scan Fragmentation ..................: 48.61% - Extent Scan Fragmentation ...................: 96.00% - Avg. Bytes Free per Page.....................: 4527.0 - Avg. Page Density (full).....................: 44.07% DBCC SHOWCONTIG scanning 'systypes' table... Table: 'systypes' (4); index ID: 1, database ID: 6 TABLE level scan performed. - Pages Scanned................................: 1 - Extents Scanned..............................: 1 - Extent Switches..............................: 0 - Avg. Pages per Extent........................: 1.0 - Scan Density [Best Count:Actual Count].......: 100.00% [1:1] - Logical Scan Fragmentation ..................: 100.00% - Extent Scan Fragmentation ...................: 0.00% - Avg. Bytes Free per Page.....................: 6712.0 - Avg. Page Density (full).....................: 17.07% According to the DBCC SHOWCONTIG command documentation, there should be no fragmentation at all. Some questions: 1. would system performance be severly negatively reduced with the above fragmentation (logical and extent)? 2. can the 'DBCC INDEXDEFRAG(dbname, tablename, indexname)' command be issued against those system tables without consequences? 3. is there some other command that can defrag the entire database without having to specify which tables? Also, I have also used the index tuning wizard after a profile trace but that failed with some unknown error. Thats it for now, please let me know if you have some info I could use to help speed up my database.
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May 29, 2008
Hi guys,
I am asking this question on behalf of a friend. I have little knowledge of SQL 2005 but my friend is quite knowledgeable, although this is the first time he is dealing with large database for a client. So here's the story.
His client has a database containing 1.5 million books. Now he is setting up a website which will enable users to search books. Searching by ISBN is no problem as it only takes 1 seconds. The problem is, searching by Title takes more than 20seconds, which is unacceptable. My friend has only done smaller database and he just recently thought of implementing indexing and now looking for other ideas.
Each row contains book details such as Title, Author1, Author2, Author3, Publisher, Publication Date, ISBN, etc.
Can anyone who are more experienced in doing large database share with me some design ideas? His client is aiming for 8seconds or less.
Thanks in advance!
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Jul 23, 2005
Dear All,We have a procedure that takes12 minutes to run on the first server butthat same procedure now takes 3 hours to run on the second server using thesame data. Does anyone have any suggestions why this is happening and howto make the procedure faster on the second serverThanks in advance.Jeff Magouirk
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Jul 15, 2015
We take a full backup in the early morning and hourly transaction log back during the working hours for one database in the production server. The application team made certain changes to the design of the said database in their development server. The backup from the development server was restored to the production server during working hours. After the restoration should we take a full backup before next transactional logbackup? Would the transactional log backup with out a full backup after the restoration of a database be valid?
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Nov 16, 2015
I have a database that is just over 1.5GB and the Full backup that is 13GB not sure how this is since we have compression on for full backups and my other full backups are much smaller than there respective databases...Now my full backup is taken every Sunday night and the differentials are taken every 6 hours after the full backup. Now I have been thrown into this DBA role with little to no experience just what I have picked up and read. So my understanding of backups are limited but what I think I understand is that we take a full backup and the differential only captures what changes in the database so my question is why is my database 1.5GB but my differential is 15.4GB? I have others database that are on the same instance and don't seem to have this problem. I also just noticed that we do not rebuild the index before a full backup like we do on other instances...
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Aug 4, 2007
Backup failed to complete the command backup database [ ] TO VIRTUAL DEVICE = ' { 853D3FC0 - 45EA -85B1 - 54F0EA379CAC } 24 ' WITH SNAPSHOT , BUFFERCOUNT = 1 , BLOCKSIZE = 1024
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Apr 1, 2008
I should restore a SQL Server 2005 Database from backup. The backup contains three files, named user.bak0, user.bak1 and user.bak2.
How is the syntax of the restore filelistonly and the restore database ... ?
I usualy write
restore filelistonly from disk = 'path and filenam.bak'
restore database. zy
from disk = 'path and filename.bak'
with replace,
move.....
move....
This works but I cannot use it with a splitted backup file. The files are much too big to put together to one file.
Thanks in advance for any help.
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Oct 17, 2006
I have a full backup and several diff backup,now i want to restore
firstly,I restore full backup
RESTORE DATABASE ***
FROM DISK = 'D:databackup200610140000.bak'
WITH NORECOVERY
GO
it's working,then i don;'t know how to continue
Thanks in advance
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Feb 10, 2006
Hi All,I am facing this issue very frist time. I add a logical device asfollowing:USE masterGOEXEC sp_addumpdevice 'disk', 'AdvWorksData','C:Program FilesMicrosoft SQLServerMSSQL.1MSSQLBACKUPAdvWorksData.bak'-- Create a logical backup device, AdvWorksLog.USE masterGOEXEC sp_addumpdevice 'disk', 'AdvWorksLog','C:Program FilesMicrosoft SQLServerMSSQL.1MSSQLBACKUPAdvWorksLog.bak'-- Back up the full AdventureWorks database.BACKUP DATABASE AdventureWorks TO AdvWorksData-- Back up the AdventureWorks log.BACKUP LOG AdventureWorksTO AdvWorksLogThe database backup is completed successfully but log's backup failswith the following messages:Msg 4214, Level 16, State 1, Line 1BACKUP LOG cannot be performed because there is no current databasebackup.Msg 3013, Level 16, State 1, Line 1BACKUP LOG is terminating abnormally.We are moving from SQL 2000 to SQL 2005. I have ensured that databasehas full recovery mode on. We are using SQL 2005 on Windows 2003 ServerSP1.Further more, I also created a plan to test it, and plan also failswhen backing up the logs.Can anyone shed some light on this issue.Thanks in advance.Najm
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Nov 14, 2006
Hi,
I have a MS SQL Server 2005 Enterprise Edition 9.0.2153 which manages my BizTalk Server 2006 Databases. The BizTalk server installer automatically creates a job named Backup BizTalk Server (BizTalkMgmtDb) which should back up the databases and transaction protocolls.
The SQL Server Agent runs under domain-administrator account which has full access to my backup directory D:ackups.
The job executes the following steps:
Step 1: BackupFull:
Command:
exec [dbo].[sp_BackupAllFull_Schedule] 'd' /* Frequency */, 'BTS' /* Name */, 'D:Backups' /* location of backup files */
Step 2: MarkAndBackupLog
Command:
exec [dbo].[sp_MarkAll] 'BTS' /* Log mark name */, 'D:Backups' /* location of backup files */
My challenges are:
1. The job doesn't back up my databases(D:Backups is empty after executing the job)
2. I get every time the following error in error protocol of the job:
BACKUP LOG cannot be performed because there is no current database backup. [SQLSTATE 42000] (Fehler 4214) BACKUP LOG is terminating abnormally. [SQLSTATE 42000] (Fehler 3013).
I have already switched the Databases from full to simple recovery mode and vica versa, it didn't help. Also, the above stored procedures doesn't include neither the TRUNCATE nor the LOG parameters for the logfiles so I wasn't able to solve this issue by adjusting these flags.
Any help would be appreciated.
Thanks in advance,
Greg
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Nov 15, 2007
I am using sql server 2000 and windows server 2003 standard edition:
My database backup job is failing due to lack of disk space. I am taking the backup onto E drive and the
available free space on E drive is 6.85 GB and there are no other drives I can use for the database backups.
The size of mdf file is 21 GB and that of ldf file is 4.2 GB.
The transaction log back up job of that db ran fine.
This database recovery model is Full and
Auto shrink is not checked.
There is one primary filegroup for the database.
In this situation, I am thinking of the following option:
1. Backup the db and log files onto another network shared drive.
If I want to still use the same server E drive to backup the db and log files instead of using another network shared drives.
how can I do that.
Please let me know the best way of handling this issue.
Any help is greatly appreciated. Thanks!
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Oct 14, 2007
I neglected to backup the transaction log as part of the process of backing up the database. Now i only have the backup file for the database and no transaction log backup. When i try to do a restore on the database, i get the error on a "tail log missing" message (which i'm assuming is that it's looking for the t-log backup?).
Is it possible to restore or even restore to a new database? I'm only looking to retreive data from 2 tables within the backup file.
Thanks!
SQL Server 2005 on Windows 2003 Server x64.
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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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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.
I move my backup to my other server where encryption was never configured (so no certificate, nothing...), and I have the error :
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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May 7, 1999
Anybody figure a way around this:
In a development server you take a backup and you want to move the entire database to a production server. The production server does not contain the database, users, or logins in master.
When you restore the backup to production in 7.0, the users get moved to DBO because the logins do not exist and then you cannot delete them.
We are having to drop the users from the database on development, back up the database and restore it to production, then recreate the users on production.
This is bogus and did not happen in 6.5 because of the aliases.
Anybody come up with a better way?
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Jul 3, 2007
I am fairly new to VS 2005 and SQL Server CE. I have developed a Desktop Windows application using VB 2005 and the SQL Compact Edition Database. This application will sell to users via web download.
When they download a service patch, or updated version, I wish for them to retain the data in their present database. In other words, fill the new database with the old data. The new table structures will remain intact except for added columns at the end.
Question is how to save the old data and update the new database with it. Is there an easy way to do this, or do I need to write a module to save a database copy, and update the new database with content at install time?
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Jan 12, 2008
I have a backup of sqlserver 2000 data base . Now presently i am working on sqlserver 2005. Is there any facility to IMPORT entire 2000 database intosqlserver 2005.Please help me if there is any chance. Thanks in advance.
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Dec 1, 2006
I have a Subscriber database updated using transactional
replication and want to create a copy for development & testing. The Distribution database is running on the
same 2005 instance as the Subscriber and the Publication database on another
server running SQL Server 2005.
If I use a TSQL script to run the restore, the database is
restored to a usable state but I get the following messages:
Msg 15247, Level 16, State 1, Procedure
sp_MSrepl_check_job_access, Line 112
User does not have permission to perform this action.
The replication agent job [job name] was not removed because
it has a non-standard name; manually remove the job when it is no longer in use.
(I€™ve removed the job name from the message)
RESTORE DATABASE successfully processed 46219 pages in
935.413 seconds (0.404 MB/sec).
It looks like an attempt is being made to restore
replication information too. I note that
the RESTORE statement has a KEEP_REPLICATION options which implies (I would have
thought) that by default the replication information is not be restored.
Incidentally, before implementing replication, backing up
the live database and restoring the backup to a new database took < 7
minutes but running the same process with a Subscriber database backup takes
about 15 minutes.
I€™d be interested to know if anyone has any idea what I€™m
overlooking or doing wrong.
ThanksTim
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Aug 10, 2007
Hi,
I was wondering how I could restore a bkp file into a database with a different name. For example, I made a backup of T1.mdf and i want to restore t1.bkp to T2.mdf.
I am using VB.Net to do the backup and restore.
Is there any way of doing it?
Thanks!
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Apr 5, 2007
i have a stored procedure that backups database on server A which i execute this SP from server B in a scheduled job. when i run this job it gives me an error:
Executed as user: domainuser_name. Could not relay results of procedure 'usp_BackupDBOnServerA' from remote server 'ServerB'. [SQLSTATE 42000] (Error 7221) [SQLSTATE 01000] (Error 7312). The step failed.
i searched MS KB, everywhere but could not find the solution or even explanation why this happenning.
both sql servers are 2000 and they are linked.
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Aug 14, 2006
Due to a network time skew some time ago, all of the databases on an SQL system now have the following information stamped on them..
Within Enterprise Manager (SQL 2000), The "Last Database Backup" timestamp for each database is showing the year 2025.
Our backup system runs incrementally daily and a weekly full. Unfortunately, the timestamp does not seem to be updating as the year is as I guess in the future.
Can anyone advise of a procedure so as I can wipe this time skew date from each of the databases?
Many thanks folks!
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Sep 19, 2006
Andy writes "I have data with more than 4 milions. How to speed up query it ?"
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Mar 9, 2007
hello,
i need some opinion on how to sum up or group by more than 2k records faster.. eg, how do i optimize this?
SELECT DISTINCT r.ClientID,c.ClientName, r.ItemID, r.StockID,r.StockName, r.ExpectedQty,r.QCQty,r.AVAQty,r.PNDQty as pnd, r.VMIQCQty,r.VMIAVAQty,r.VMIPNDQty as vmipnd,
(Select isnull( SUM(d.HoldQty) ,0) FROM tblItemdetail d WHERE d.itemid=r.itemid AND d.ConsignorID=@ClientID AND d.Ownerstatus='VMI') AS VMIPNDQty,
(Select isnull( SUM(d.HoldQty) ,0) FROM tblItemdetail d WHERE d.itemid=r.itemid AND d.ConsignorID=@ClientID AND d.Ownership= i.Supplier AND d.Ownerstatus='VMI') AS PNDQty,
(Select isnull(SUM(d.OriginQty - d.PickQty -d.HoldQty -d.qcqty),0) FROM tblItemDetail d WHERE d.ConsignorID=@ClientID AND d.Ownership= i.Supplier AND d.Ownerstatus='OWN') AS StockAtCustAVAQty,
(Select isnull(SUM(d.HoldQty),0) FROM tblItemDetail d WHERE d.ConsignorID=@ClientID AND d.Ownership= i.Supplier AND d.Ownerstatus='OWN') AS StockAtCustPNDQty,
(Select isnull(SUM(d.qcqty),0) FROM tblItemDetail d WHERE d.ConsignorID=@ClientID AND d.Ownership= i.Supplier AND d.Ownerstatus='OWN') AS StockAtCustQCQty
FROM tblItemCrossRef r
INNER JOIN tblClient c ON c.ClientID=r.ClientID
INNER JOIN tblItemClients i on i.Supplier=r.ClientID
WHERE r.ClientID=@ClientID AND r.StockID LIKE @StockID+'%'
~~~Focus on problem, not solution~~~
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Jun 22, 2006
Hello all-Given the following UDF, in sql 2000 can it be sped up, complied oranything of the like. A query returning 300,000 + rows times out whenran through the udf, inline case statements returns the rows in 5seconds.Thanks!JeffCREATE FUNCTION dbo.TimeFormat(@input datetime,@groupformatvarchar(20) --DAY, WEEK, MONTH)RETURNS datetimeASBEGINdeclare @dtvar as datetimeif @groupformat = 'DAY'set @dtvar = CAST(CONVERT(char(10), @input, 101) AS datetime)else if @groupformat = 'WEEK'set @dtvar = CAST(DATEADD([DAY], 1 - DATEPART(dw, CONVERT(char(10),@input, 101)), CONVERT(char(10), @input, 101)) AS datetime)else if @groupformat = 'MONTH'set @dtvar = CAST(CONVERT(CHAR(6), @input, 112) + '01' AS datetime)return @dtvarEND
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Jul 20, 2005
This is x-posted in:alt.php.sqlcomp.databases.ms-sqlservermicrosoft.public.sqlserver.programmingI have events that occur during the day. I want to be able to search thoseby a form with checkboxes (multiple select).Let's say for instance an event is happening from 3-10pm. When someonesearches for 4-6 (checkbox option) it needs to show up.I don't need code so much as I just need theory. My theory that I coded outand worked, just a missight in theory is as follows. I did a BETWEEN callthat pulled any event that began BETWEEN 4 AND 6 or ended BETWEEN 4 AND 6.As you can see. The event spans that time, but does not start or stopbetween 4 and 6, thus was not pulled. Ooops.So if someone call tell me of another function or perhaps just a better wayto use BETWEEN that would be great. I don't think that code is necessary atthis juncture, so save the 'Please post code' post :) Thanks.
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Mar 13, 2007
Hi can anybody know how to get the functionality of database backup and restore of a sql server2005 using asp.net 2.0 and c#..
My problem is here I'm creating an application which uses Emp file. and I'm trying to get backup of that database and again I'm trying to restore with that backup file. But here I'm getting the error message like "Database is already in use"
Is there any solution for that?
Regards,
Nagu
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