Simple Database Backup?

May 23, 2007


I thought I would start learning how to backup my SQL Server 2005 database using the simple recovery method. Using the SQL Server Management Studio I started the backup task. In the Back Up Database dialog box the Recovery Model is set to Full and disabled (grayed out). It does not give me the option to switch to the Simple Recovery Model. Is there a setting I need to adjust that will allow me to switch to the Simple Recover Model?

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The Backup Set Holds A Backup Of A Database Other Than Existing Database. Restore Database Is Terminating Abnormally

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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A Simple Backup Need Help!

Apr 3, 2006

My hosting company just "upgraded" to mylittleadmin for SQL, we can no longer connect and manage using enterprise manager or local other tools. I need the ability to connect locally, so I'm changing hosting company. The problem is I need an updated backup to transfer to the new server, even tech-support can't figure out this new "upgraded" system. The only help they offered was try the "dump" command, but that only give me a Incorrect syntax near '20' error. This is what I tried using the online Query Analyser:
dump dbname
dump 20twenty

Any and all help highly appreciated....
Thanks

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BACKUP LOG Cannot Be Performed Because There Is No Current Database Backup. BACKUP LOG Is Terminating Abnormally.

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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Very Simple (n00b) - Db Backup?

Dec 8, 2005

Hey peeps, n00b here, in WAY over my head.

I have an MS SQL server running in the office, which is used for more than one application - the same server hosts databases for at least two totally seperate applications. One of these databases is called CApplication, and another iscalled CSystem, and these two together support an app called Client.

All I want to do is create CApplication2, which is an exact one-time copy of CApplication. I don't need it to update, or synchronise, or link to any other database, or anything. I want to write an interface for this DB, and I don't want to use the live one.

Do I "detach" then "copy" then "reattach" or something? If somebody could give me some rather lame step-by-step instructions I would really appreciate it - I can take this databasse offline, but I really should try to put it back online as soon as possible, and it is essential that nothing changes in between!

I'm a bit nervous about this, if I break this database I'm a dead man. Thanks guys!

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Hot Backup In SIMPLE Mode

Jul 20, 2005

We have a SQL Server 7.0 database running with trunc. log on chkpt andselect into/bulkcopy checked and need to develop a backup strategy.One of our DBAs insists that since the transaction log is beingtruncated, we can't do a hot backup (a FULL backup in multiuser mode)because if a transaction comes through during the backup it will leavethe backup in an inconsistent state. I'm skeptical, but I don't knowhow SQL Server 7 avoids this problem.If SQL 7 is not truncating the transaction log, it uses thetransaction log to roll forward changes that occurred during thebackup. Obviously if it's truncating the log it must have some way toapply these transactions anyway (such as not doing a checkpoint duringthe backup, backing up the log at each checkpoint, etc.).Can anyone confirm that a hot backup will be valid when trunc. log onchkpt is checked? Does anyone know how SQL 7 accomplishes this?Thanks!James

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Simple Backup Job Failing

May 11, 2006

Hi All,

I have a small script that is failing :

BACKUP DATABASE CorporateComplaints
TO DISK = 'E:MSSQLBACKUPInsight_Dump.BAK'
WITH INIT
-- Declare the variable to be used.
DECLARE @MyCounter INT
DECLARE @MySpid INT
DECLARE @MYSQL varchar(50)

-- Initialize the variable.
SET @MyCounter = (SELECT Count(spid) FROM SysProcesses WHERE SysProcesses.dbid =
( SELECT dbid FROM SysDatabases WHERE SysDatabases.name = 'CorporateComplaints2' ))

print'mycounter '+ cast(@MyCounter as varchar (5))

-- Test the variable to see if the loop is finished.
WHILE (@MyCounter > 0)
BEGIN
-- Kill process.
EXEC sp_refreshview ActiveProcessesView
SET @MySpid = (SELECT Min(Spid) FROM ActiveProcessesView)
SET @MYSQL = 'KILL ' + CAST (@MySpid AS Varchar )
EXEC (@MYSQL)

-- Increment the variable to count this iteration
-- of the loop.
SET @MyCounter = @MyCounter - 1
END
GO

RESTORE FILELISTONLY
FROM DISK = 'E:MSSQLBACKUPInsight_Dump.BAK'
RESTORE DATABASE CorporateComplaints2
FROM DISK = 'E:MSSQLBACKUPInsight_Dump.BAK'

WITH REPLACE,
MOVE 'CorporateComplaints_Data' TO 'E:MSSQLDATAcorpcomps2data.mdf',
MOVE 'CorporateComplaints_Log' TO 'F:MSSQLDATACorpcomplaints2Log.ldf'



error event id 17055



Can any body help wht is wrong in script. I dont understand what is there in middle part its killing some process. what is need.

what I can usderstand its taking a backup of database CorporateComplaints and restoring it to CorporateComplaints2.




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Simple(?) Backup - Restore Question

May 21, 2004

Greetings,

Been lurking for a while, and new to MS-SQL, and didn't see an answer to a question that I have.

Running MS-SQL2000. SP2

Have a need to make a backup of a database at midnight on the last day of the month and to then make that data available to Accounting for end of month reporting.

The easy part was to schedule a full backup to occur at midnight on the last day of the month. The db was backed up to the file name Chorro_MonthEnd.BAK.

I then added to the scheduled job the following T-SQL:

RESTORE DATABASE [Chorro_MonthEnd] FROM DISK = N'D:Data FilesMicrosoft SQL ServerMSSQLBACKUPChorro_MonthEnd.bak'

The question(s) that I have are:

1) The data in the db Chorro_MonthEnd should be over-written with the data from the restore?

2) Since the Chorro_MonthEnd db exists, is MOVE necessary as part of the restore command? I have been told that if you don't use the MOVE command, it puts the original file names back into wherever directory structure they were backed up from. The concern is that it could overwrite the original db MDF/LDF files.

What we are trying to avoid is having someone from the IS side of the house having to be on-site to restore a db for Accounting. IS type get cranky if they don't get enough sleep :D

Thanks in advance....


Brian

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Backup Log WITH NO_LOG, Change Rec Mod. To SIMPLE?

Aug 21, 2007

Hi,

I use FULL recovery model, SQL 2005. Is it possible this type of
backup ""change"" my recovery model to SIMPLE. I noticed when I
executed this:

BACKUP DATABSE db_name
TO DISK = 'path'
BACKUP LOG db_name WITH NO_LOG
DBCC SHRINKFILE ('db_name_log', truncateonly)

Now transact log grow very, very, very slow (this is symptom simple
model). But when executed this (different order):

BACKUP LOG db_name WITH NO_LOG
DBCC SHRINKFILE ('db_name_log', truncateonly)
BACKUP DATABSE db_name
TO DISK = 'path'

transact log grow normally

Would somebody explain me this, and tell me first statement change
(theoretically) my model to SIMPLE?

--
Regards,
anxcomp

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Simple Recovery And Full Backup

Jun 10, 2006

Hi MVPS/MS Experts:

Pardon me and my ignorance for asking this question. I just want to understand the backup architecture more clearly. According to BOL (both in SQL 2k and SQL 2k5) in simple recovery mode trasaction log backup is not possible since the log is truncated on checkpoint which is true. Also we know that FULL backup backups both the db and transaction log as well.

My question is what happens when a database is in simple recovery mode and a full backup is done. since the tran log cannot be backed up does only the db backup is done when a full backup is done?. What exactly happens behind the scenarios?. Is it that only the active log gets backed up when a full backup is done in simple recovery mode?. I am trying to understand how a full backup in simple recovery mode behaves without contradicting the full backup architecture and that the veracity of the statement (both db and tran log backup in full backup mode) holds true for a simple recovery scenario.

MVPs/ MS Experts if you could Please explain it in detail, I would really appreciate it.

Thanks

Ankith

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Db Backup Simple Vs. Full Recovery Mode

Feb 14, 2007

When we do a full database backup manually, we are seeing the trn file reflect the current date/time, but we are not seeing the mdf reflect the new date/time. And we are not seeing the transaction log file decrease in size. the recovery mode is set to full, do we need to change to simple to see both the mdf being backup'ed?

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Backup Of Ldf File In Simple Recovery Model

Mar 20, 2008



Hello,



I have a question regarding the backup for the database in Simple Recovery Model.

In this Model, I know we can restore only to the last full backup or can use differential

Backup, if implemented as a part of backup.



But my point of confusion is about the backup of '.ldf' file, should those file should be backed up in the

Maintenance Plan, if yes does it help in reducing the size of Log file?

Do we need the backup of '.ldf' in phase of Restoring?



As I mention my database has Simple Recovery Model, but the size of log file is around 20GB,

Could not understand why as in this Model, normally it automatically truncate the Log file?



Help me to clear my these doubts,



thanks,




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SQL Tools :: In Simple Recovery Mode Can Do Live Differential Backup?

Jun 30, 2015

I have a small, ~10GB SQL 2008 R2 database, that was setup with simple recovery.  We do full backup each night at midnight when no one is using the database.  Is there any problems with doing differential backups during the day when users may be writing to the database?  Could I even do hourly differential backups while users are using the database?  I'm conflicted about switching over to full recovery mode and using transaction logs to have the ability restore data between backups.  If I can do a couple daily differential backups while users are using the database during the day, in addition to our nightly full backups,  than I  live with simple recovery mode.  

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SQL Security :: Full Backup Needed After Restoration Of Database Before Transaction Log Backup

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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Knowledgeable Yet Simple Book For Database Modelling Or Database Design

Aug 16, 2007

Hi All,Can u please suggest me some books for relational database design ordatabase modelling(Knowledgeable yet simple) i.e. from which we couldlearn database relationships(one to many,many to oneetc.....),building ER diagrams,proper usage of ER diagrams in ourdatabase(Primary key foreign key relations),designing smallmodules,relating tables and everything that relates about databasedesign....Coz I think database design is the crucial part of databaseand we must know the design part very first before starting up withdatabases.....Thanks and very grateful to all of you....Vikas

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BACKUP LOG Cannot Be Performed Because There Is No Current Database Backup

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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BACKUP LOG Cannot Be Performed Because There Is No Current Database Backup.

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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SQL Database Backup Issue - Db Backup Job Failing

Nov 15, 2007

I am using sql server 2000 and windows server 2003 standard edition:
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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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Is It Possible To Restore From A Database Backup Without A Transaction Log Backup?

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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SQL2005 Cannot Backup A Restored SQL2000 Database With Unknow Database Full-text Catalog Database

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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Aug 26, 2007

I've looked over the "how do I" stuff but not found a simple, straightforward to simply make a complete snapshot of a relatively small development database (perhaps 2 to 3 meg at this point) so that I can bring it to my local system (from a hosting provider) or vice-versa.
 I see the info on "SQL Server Import and Export Wizard" but I don't find the functionality in SQL Server Management Studio Express -- or am I missing it?
Such a process seems obvious. It's not "replication" is it? I don't need it on an on-going basis -- just an occasional one-time thing.
Mahalos (thanks) in advance for any guidance ... :)  KevInKauai

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Jan 31, 2006

Hi,

I am writing a simple program which runs on users xp machines and accesses a simple table on an NT Server.

In otherwords, the database consists of just a single table with perhaps 4 fields and a maximum of 200 records, with low transaction activity (users periodically update their status or check on other users' statuses).

Do I need to use SQL????

What is my best option for such a simple table / database.

Your help would be appreciated.

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Dec 7, 2004

Hello,

I have a search form in an ASP.NET/VB page. The form has the input text box and the button "search". The keywords are passed in the URL to results.aspx.

Here is an example of what I get in the URL, when I write the keywords "asp", "book" and "london" in the input text box and click "search":
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The database table has 3 fields: "id", "title" and "description".

I want to display all the records where at least one of the keywords is found in any of the 2 fields "title" and "description".

1. I suppose I need to get the words out of the URL to be used by SQL.
Maybe: string[] searchString = request.queryString("search").split('search'); ???
How can i make this run when page loads? I supose i need it. Right?

2. How should the SQL look? I supose i need to use the "Like" command
SELECT * FROM books WHERE title LIKE ...
But how to I use it if I can have 1, 2, 3, ... keywords?

Can someone help me?

Thanks,
Miguel

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May 13, 2008

How can I connect to another sqlserver instances using a SQL Query Analyzer command? I mean, something like this:



connect (server1.instance1, user, pass) ??
SELECT * FROM MYTABLE;
connect (server1.instance2, user, pass) ??
SELECT * FROM MYTABLE;
connect (server1.instance3, user, pass) ??
SELECT * FROM MYTABLE;

PD: I know I can click in File-->Connect-->etc..., but I want to do this with a T-SQL command

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Aug 8, 2007

Hi- I have questions about mobile database limits. The application is entirely C# / Compact Framework 2.0, using VS2005. Devices we support are all running WM5. We're trying to incorporate what seems to be a large database that the application needs to talk to offline from any network, so it needs to be stored & hosted within the database and hence we started working with the various generations of what is now SQL Server Compact Edition.

In order to profile the responsiveness I worked up a test database with the general collection of fields we are interested in. The main table has 80,000 rows with one primary key and one of the numeric fields indexed. There is a 'nickname' table which contains about 150,000 items with just a string for a nickname and the key that nickname goes with. With all the rows and an alpha index for the nickname field the database is about 42 mb. Which is pushing the amount of storage on the handheld, but of our two models one is fine and one still has about 30 mb free with the DB on the handheld.

My problem seems to be that one kind of device can work with this database and one cannot. The device I was using the prototype the application is a HP iPAC hx2490b. On that device more than once I have corrupted the database, but not yet as a reproducible process.

My other device is a Dell Axim X51. On that device I seem to corrupt the database with very simple actions. Just now I tried a query like (From the Query Analyzer 3.0)





Code Snippet

Select * from ReagentNicknamesTable where alt_names like 'alpha%'

Which should hit 2099 of the 150,000 records. I got about 400 back and then the table was corrupted. On this device I cannot recover the database as there isn't enough disk space for two copies of the DB. So corruption in the field would be a showstopper. But getting corruption from a simple query like this means I really can't use SSCE.

This problem with the dell showed up when I was using the original device sql that came with VS2005. (SQL Server Mobile?) The cabs & dll's were dated from 2005 and had a build number of 3.0.5206.0. I have since updated to the current version of SQL Server Compact Edition and the dlls have build number 3.0.5300.0. The IDE is set to Compact Framwork 2.0, sp1: cgacutil reports CF 2.0.6129.0.

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Cannot Get A Simple Database Application To Work

Apr 24, 2008

Hi,

I tried to create a simple application based on the Sql Server CE samples and, as is typical when I play with databases, the program failed. In this case it failed to even load. The program has a form and a data source that I dropped onto the form. When I run the program the program breaks at this line:




Code Snippetthis._connection = new global::System.Data.SqlServerCe.SqlCeConnection();





The error is:

An unhandled exception of type 'System.DllNotFoundException' occurred in System.Data.SqlServerCe.dll
Additional information: Unable to load DLL 'sqlceme35.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)

My first attempt at 'fixing' this was simply to copy the requisite DLLs to my bindebug folder. I found the DLLs here:
C:Program Files (x86)Microsoft SQL Server Compact Editionv3.5 and copied these - sqlcecompact35.dll, sqlceca35.dll, sqlceme35.dll, sqlceoledb35.dll, sqlceqp35.dll and sqlcese35.dll, sqlceer35EN.dll - to my bindebug folder.

Now instead of the first error, I get this error:

An unhandled exception of type 'System.BadImageFormatException' occurred in System.Data.SqlServerCe.dll
Additional information: An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B)


I am running Vista Business (x64) and using (the desktop version of) Sql Server Compact Edition 3.5 with Visual Studio 2008 Standard Edition. The test 'program' is written in C#. (Incidentally I can play with the database with no problems in Visual Studio 2008's server explorer. I can look at data, add data, etc.)

Can anyone please help?

Thanks.



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Oct 30, 2007

Hi all,

I am a sysadmin (not a DBA by any means!), so just keep that in mind when answering

I was thinking to set up a database mirror with a manual failover for my Business Objects server. The question I have here, is the database name.. how is it kept?

I have three servers right now, all pointing to the same database. Let's call it DatabaseA. If I set up database mirroring (the links I've seen make it seem simple enough), and I fail over, what happens to the servers that have an ODBC entry to DatabaseA? Do I have to repoint them? Or is the identity of the server transferred over as well?

A little information on this would be greatly appreciated. Right now, we are using doubletake to copy over the database dumps on a constant basis, and I thought that database mirroring would be a better solution to my problem. Please let me know! I am quite new to database mirroring, so take it easy with me

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Oct 22, 2007

Hi,
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Do i need to learn ODBC or OLEDB or SQL server


Thanks

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Jan 18, 2008

I'm designing a database with 3 tables called Function, Test and Scene.

A Function has multiple Tests, but a Test has only one Function. A many to many relationship exists between Test and Scene therefore I need a junction table between these two tables - giving 4 tables in total. The Test table would store a foreign key, the primary key of the Function table.

There is a problem with design though and that is that Functions and Scenes are actually defined before the Test is defined. Therefore it should be possible to create a Function and add to id its Scenes, before Tests have been defined. In other words, Scenes are as much a part of a Function as they are of Tests. Tests are in fact only of relavence to testers. Anyway, to satisfy this scenario, a Junction box is also needed beween Function and Scene. This creates a loop between all tables.

Is this a good approach? Any other suggestions or advice on the matter? Any advice regarding data integrity?

Thanks,

Barry

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