Several months ago I migrated my family financial and expense information from excel file to SQL CE 3.5.
SQL CE is indeed good enough for data entry purpose, but after a while, I felt that it is not good enough for reporting purpose.
So I decided that it's better to use the SQL Server Express instead.
Now the first problem that I had : How to migrate the tables along with the data from SQL CE 3.5 to SQL Server Express?
I have been googling around for a while, but haven't really found a good one for this, which make me realized that there are more ways to get the data from SQL Server to SQL CE but not the other way around duhh :|
So later, I decided to code it myself ;)
When browsing around the net, I found about Information Schema View that is available in SQL Server, and fortunately it is also available in the SQL CE 3.5 ;) (before I found out about the view, I was using Linq Attributes to generate the table creation ouccch)
So now by using the view, I generate the script for the SQL CE 3.5 database file (.sdf).
In summary, the code will :
1. Generate Table Creation Script
2. Generate Insert Statement for the data in all of the tables
3. Generate script to assign the Primary Keys for the tables
4. Generate script to assign the foreign keys / references for the tables
So here's a little peek of how to use the tool, I'm using Northwind.sdf file in the example below :
There are 2 parameters to pass in ;
1. Connection String to the sdf file
2. Output File Name for the script
Note : If you get any access denied when trying to open the Northwind.sdf file, here is why and the solution.
After the Northwind.sql file has been generated :
1. Create the SQL Server database file (.mdf)
2. Open the Northwind.sql script into your SQL Server Management Studio or Visual Studio (Since I'm currently using SQL Epxress 2008 CTP, there is no management studio yet for now) and just execute them, if everything's ok (finger crossed), you will see this kind of message below and you're done :)
Please note :
1. The tool will not generate the database for you, it will only generate the scripts to execute
2. Currently I purposely convert nchar and nvarchar data type to varchar in the table creation script. I don't see any purpose of using them unless if storing unicode characters in the table.
3. I haven't handled Image / BLOB data type for generating data (Insert Statement).
Ok now, stop talking and just give me the download link :P
Here is the executable file :
**Removed: Please get the files from CodePlex site instead.
And here is the code, if you want to see what's running inside :
**Removed: Please get the files from CodePlex site instead.
Hope it helps ;)
and do leave a comment if you have any feedback or find any bugs, Thanks ;)
33 comments:
Thanks for the tool - it worked great! One suggestion would be to include the Indexes as well.
Hi Todd,
Thanks for trying the tool ;) and sorry for the late reply, I'll see what I can do for the indexes this weekend ;)
Nice tool and very useful one ;)
I had to make some minor changes in the generated script :
'True' -> '1'
'False' -> '0'
nvarchar instead of varchar
Thank you,
Florent
Hi Todd,
Added the Generate Indexes to the tool :)
After almost 2 months trying to get my hands to this :P Thanks for the feedback ;)
Hi Florent,
Thanks for the nice comment :)
Glad that it works for you with the changes ;)
Wonderful tool! This just saved me a ton of work migrating from a shared SQL Server CE 3.5 database to a Microsoft Sync Services setup. Thanks again!
Hi Shane,
Thanks for the kind words, glad that it helped ;)
outstanding little tool. thanks so much!
Hi Bembeng, can I reuse your code in a project I'm planning? I would like to enhance your code with the current missing features and make the resulat available as a OpenSource project. The features I am planning to add include: nchar/nvarchar use, ntext and image support (for INSERTs), support for scripting ROWGUIDCOL property, scripting defaults.
Hi Jeremy,
Thanks for the kind words :)
Hi Erik,
Sure, I'll be really glad if you do that, I'm sure that it will give more benefit for everyone. Please feel free to use that :D
Great application, it saved my day. Thanks!
I have now made an updated version of this code available at: http://www.codeplex.com/ExportSqlCE - feel free to join the project and/or contribute patches and report bugs and feature requests.
i have been looking for something like this for ages.. thanks man... i have one problem tho. i have a database about 95MB and tried to generate the sql script but as soon as it gets to the generating the foreign keys step the application crash and i get OutOfMemoryException although i have 3GB of RAM 2GB free!
please help on this issue.
Please address this issue at codeplex.com/ExportSqlCE - Is it possible to upload your file for testing?
thanks ErikEJ
i have tried another PC and finally got it working .. thank you again for this great tool
Great tool. Thanks for pulling this together and making it available for general use. Who would have though SQLCE has no way to generate a script of the schema...
Many Thanks,
works great for export the DDL from a SDF-File.
good software :)
I am learner in Sql Server 2005. The article is really good and I think it would be really helpful to me in my project. Thanks for sharing such nice post here.
i visited your site, it's very nice. Wellcome to my blog: http://www.tech24h.us
thank you so much!
Thanks a lot for sharing this!
Your tool is very cool and very help full for my project, can you tell me how to create insert statement for selected column of table
Hi, i'm using some information schema view that provide the table/column definitions, you can check this out in the code repository that Erik has kindly created in the codeplex site. Thanks
You could also use SDF Viewer to create the script
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