Can I Create A Database Schema From A DataSet And/or .xsd File?
Mar 20, 2007
I have some questions about creating SQL Server CE databases. Based on my experiments and what I've read on these forums, it looks like there are a couple ways to create a database schema. I can edit the database schema via the Server Explorer in Visual Studio, or use an external program like SQL Server Management Studio and somehow convert those files to .sdf files.
I find Visual Studio's built in tools to be cumbersome to use and limited in functionality, and using SSMS seems like a roundabout way of approaching the problem. I understand Microsoft will be releasing better tools with Orcas, but in the meantime, I'm wondering if there are alternative ways to generate database schemas.
For instance, I find Visual Studio's DataSet designer fairly easy to use. The DataSet designer generates schema definitions (.xsd files), and an instantiated DataSet can both read and write schema definitions via Read/WriteXMLSchema. Furthermore, DataAdapter's Fill and FillSchema methods can be used to push a schema from a database to a DataSet. So, can I somehow go the other direction and push a schema from a DataSet to a database? It seems like all the tools are there...
For example, if I create the DataSet schema, could I use a small app to create a new .sdf file, instantiate a DataSet, write the schema from the DataSet to the database, and then save the .sdf file? Or given the generated .xsd file, is there any way to create a SQL database from that?
Thanks in advance for any replies.
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Mar 8, 2008
All- I'm a newbie working on a VWD project. A couple questions arose when attempting to work with a project's dataset and its underlying SQL Server Express database:
Is it true that when changing the schema of a database in SQL Server Express through the VWD Database Explorer, one must take care to manually make parallel changes in the dataset? For example, if you make a relation between two tables in Database Explorer, you must do the same with the counterpart tables in the dataset? For example, I find that if I delete or create a relationship between two tables in the database, I must manually do the same in the dataset.
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Oct 26, 2007
Is it possible to create a schema or table in sql server from a dbf file instead of manully creating it
Regards
Karen
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Dec 19, 2006
Hi .Net Guru’s,I have an urgent requirement for my project; the issue is mentioned below;Using .Net(C#/VB.Net) I need to generate/created Database objects from XML schemas.I don't have any sample xml schema file to give you. You just imagine you have a sample .xsd file and this .xsd file will be used to create database tables.Please let me know if you have any queries. Thanks,nick
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Nov 5, 2004
Hey,
I was wondering does anyone know a way to get the structure, with relationships, of a Sql Database and generate a XML Schema. I want to use the Schema to build a CrystalReport.
Thanks!
-Kevin
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Oct 11, 2007
Greetings,
I've searched through this and other SQLCE newsgroups, and it would
appear that whenever this question is asked, it is deflected or left
unanswered. I'll try again:
Is there any way to create SQLCE database tables from an XML schema
(preferably in .NET with C#)? Of course this can be done with the .NET
DataSet, but there doesn't appear to be any way to get the DataSet to
create the tables in the SQLCE database (although the reverse can be
done). I won't go into long explanations of the application, but it
does not ever have any connection to an SQL server, and we don't want
to create the SQLCE tables in code. We *only* want to create them
using an XML schema. Is the only option writing our own code to do this?
TIA
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Aug 3, 2012
Any command which will make create script for my entire database including all sp's , tables, functions..i dont want to backup the db ..i want to create scripts for creating an entire database schema (only the structure and not data)
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Jan 15, 2005
how do I move my database schema from 1 machine to another? Its a MSDE 2000 DB and Im using visual studio 2003.
In VS when I goto the server explorer and right click on a DB the "generate create script" options is greyed out.
What am I doing wrong?
If you cant help me with the above question could you please recommend another way for me to get my DB schema with all its constraints from one of my work stations to another. I dont want to manually recreate it.
Thankyou
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Apr 25, 2007
Hi,
I created a database,login,user and schema like belows.
-- 2. create database
CREATE DATABASE MyTempDatabase;
-- 3. create login
CREATE LOGIN MyTempLogin WITH PASSWORD = '#mytemplogin$',
DEFAULT_DATABASE = MyTempDatabase,
CHECK_EXPIRATION = OFF,
CHECK_POLICY = OFF;
--
USE MyTempDatabase;
-- 4. create user
CREATE USER MyTempLogin FROM LOGIN MyTempLogin WITH DEFAULT_SCHEMA = MyTempSchema;
-- 5. create schema
CREATE SCHEMA MyTempSchema AUTHORIZATION MyTempLogin;
The created user,MyTempLogin, must have permissions that can create tables,drop tables,select,insert,delete,update and bulk insert.
How can I grant permissions to the user?(or schema?)
I failed to grant by T-SQL query.
Additionally, what is purppose of the ROLE? Should I create or use it?
I'm confusing in security concept(login,user,schema,role).
Thanks.
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Jan 16, 2008
I have a ##table (dynamic openquery to oracle - don't ask) but am unable to see the dataset schema in the dataset window
I've tried putting FMTONLY statements in - no difference
I've also tried changing the query to be text e.g. EXEC proc @param,..... - no difference
Anyone know of a workaround?
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Apr 17, 2007
I have managed to cobble up a VS2005 PPC app that has 10 or so tables in it. Of course when I started binding to the tables in my app, pretty soon I ran into an error I had made defining a datatype for a column in one table. Single instead of string. I have spent most of the day trying to modify something to change this column datatype. No luck.
1. Seems you cannot edit the schema in VS2005 to modify the datatype. After messing around, now the project will not open at all.
2. Cannot get the ADS wizard to go anymore, so cannot make .mdb schema change and pull down updated column/table.
3. Thought SQL Server 2005 had a tool you could just open up a .sdf file and change the schema. No luck. At least no intuitive way showed itself after I installed it.
4. Thought SQL Server Express Editition could open such a .sdf file and modify it so installed it. Again, could not figure out how this works either.
I suppose I could start over from scratch and create a new app datasource/dataset in VS2005, but I have done that so many times before, I am getting crabby thinking about doing it again. There must be a better way??? Isn't there?
Thank you.
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Oct 2, 2006
I am trying to upload a file in ASP.net 2.0 to a SQL database using the FileUpload control. I am doing this by way of a typed dataset.Here is my code.Dim rta As New ResponseTableAdapterDim rdt As ResponseDataTable = rta.GetResponseByID(1)Dim rr As ResponseRow = rdt(0)Dim fs As New FileStream(fu.PostedFile.FileName, FileMode.Open, FileAccess.Read)Dim br As New BinaryReader(fs)Dim image() As Byte = br.ReadBytes(fs.Length)br.Close()fs.Close()rr.UploadFile = imagerr.NameFile = fs.Namerta.Update(rdt)The code runs without an error but afterwards I find that nothing has been stored in the UploadFile cell in the database but the file name has been stored in the NameFile cell in the database. Any ideas?Your help is much appreciated. James
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Apr 8, 2006
Hello,I'm using a typed dataset to access my database (SQL Express); I have a table that returns data, which two fields are null; I'm getting this error:{"Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints."}There are no foreign-key or unique key constraints, so it has to be a non-null issue; I changed the two fields in the table to have a null value of Empty instead of Throw Exception, but I don't understand what the problem is coming from... I'm at a loss.Thanks.
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Jun 2, 2015
I have a well-structured but also very large binary data-set that is generated by a C++ application every five minutes. The data needs to be accessed by SQL applications. Since data is generated every five minutes, performance is key, both for write and read. The data set is about 500MB.If data is written to the file system, the write performance doesn't involve SQL server. For reading it, I have a CLR to read the portions of the data that I need based on offset and length. That works and is very fast. The problem is that data is stored in the file system, so it is not self-contained within the database.
A second option that I haven't explored yet, is to write the data into a table as VARBINARY(MAX). I would read the data using SUBSTRING with appropriate offset and length. Performance of SQL write/read of binary data of this size, and whether there is a third option I haven't thought off. I'm using SQL Server 2014.
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Sep 27, 2007
Locally I develop in SQL server 2005 enterprise. Recently I recreated my db on the server of my hosting company (in sql server 2005 express).I basically recreated the tables and copied the data in it.I now receive the following error when I hit the DB:The 'System.Web.Security.SqlMembershipProvider' requires a
database schema compatible with schema version '1'. However, the
current database schema is not compatible with this version. You may
need to either install a compatible schema with aspnet_regsql.exe
(available in the framework installation directory), or upgrade the
provider to a newer version.I heard something about running aspnet_regsql.exe, but I dont have that access to the DB. Also I dont know if this command does anything more than creating the membership tables and filling it with some default data...Any other solutions/thought on what this can be?Thanks!
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Apr 12, 2008
Hello everybody!I'm using ASP.NET 3.5, MSSQL 2005I bought virtual web hosting .On new user registrations i have an error =(The 'System.Web.Security.SqlMembershipProvider' requires a database schema compatible with schema version '1'. However, the current database schema is not compatible with this version. You may need to either install a compatible schema with aspnet_regsql.exe (available in the framework installation directory), or upgrade the provider to a newer version. On my virtual machine it work fine but on web hosting i have an error =(What can you propose to me?
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May 3, 2006
hi all!
i am sorry about this question but i am new to sql server.i installed sql server 2005 developer edition but there are only a few configuration tools on my computer.i used to use access but i dont know how to create a sql database file?did i install a wrong type of sql server??if not why i cant find a way to create this database??pls help meeeee!!!!!
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Aug 20, 1999
I was running a Evaluation copy of SQL 7 and suddenly it expired. I couldn't start the SQL service any more therefore I couldn't make a backup of my database. Now I installed new SQL 7 server and my database file (xx.mdf and xx.ldf) are there. Is there a way that I can recover my databases from those files?
Thanks.
Ronnie
ronnie.gu@newsedge.com
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Apr 18, 2006
Hello,
I'm using MS Visual C# 2005 Express, but I can't create a new local database file in the "Add -> New Item" dialog. The Studio doesn't create the database, but shows a file not found message.
Any ideas?
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Aug 31, 2007
The problem that I am having is that with Visual Web Developer I am creating a webpage and having it directly put online, so for example when I start a new ASP.NET page, I select the location to be HTTP, with the location http://MYWEBSERVER/Website and for the language and Visual BasicI notice a couple of things, first that there is no longer a a link under the Main toolbar "Website" selection called the ASP.NET configuration. So how can I configure what I want to have users be able to do? It seems that this choice is only available if I am building the ASP.NET page on my "localhost". So that is the first problem. So I am able to get the pages to work, atleast the things such as the textboxes to show up etc, (Even things as advanced as the "Login" box). How ever when I try to get someone to try to login I am taken to a page that has an server error. The error is:
"The SSE Provider did not find the database file specified in the connection string. At the configured trust level (below High trust level), the SSE provider can not automatically create the database file. "
The Stack Trace Errors are at the bottom. I think this is happening because the automatically generated databases are not getting built online as they are on my computer. On my computer I have MSSQL express. So either the databases are not getting built for some reason, (and I think that is the case as I don't see any in the folder). So I think that somehow I have to create a database on my server, and then somehow configure the ASP.NET file, perhaps in the Web.Config file to look for that new database. Is this the correct methodology? Is there some simpler way that I can just somehow upload things as they are and have them work correctly on my server? The error says that either the Server did not find the database or that the trust level was insufficient. I don't think that is it as I just looked again and I don't see any .MDF files. So how would I go about getting this to work right? Is there a way to do this with MySQL also? So that I don't have to use MSSQL? My server only allows 1 DataBase for that.
Thanks and I hope my question makes sense. It is basically how can I get it to be able to create and check users etc. online?
Brian
[ProviderException: The SSE Provider did not find the database file specified in the connection string. At the configured trust level (below High trust level), the SSE provider can not automatically create the database file.] System.Web.DataAccess.SqlConnectionHelper.EnsureSqlExpressDBFile(String connectionString) +2555237 System.Web.DataAccess.SqlConnectionHelper.GetConnection(String connectionString, Boolean revertImpersonation) +87 System.Web.Security.SqlMembershipProvider.GetPasswordWithFormat(String username, Boolean updateLastLoginActivityDate, Int32& status, String& password, Int32& passwordFormat, String& passwordSalt, Int32& failedPasswordAttemptCount, Int32& failedPasswordAnswerAttemptCount, Boolean& isApproved, DateTime& lastLoginDate, DateTime& lastActivityDate) +1121 System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved, String& salt, Int32& passwordFormat) +105 System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved) +42 System.Web.Security.SqlMembershipProvider.ValidateUser(String username, String password) +83 System.Web.UI.WebControls.Login.OnAuthenticate(AuthenticateEventArgs e) +160 System.Web.UI.WebControls.Login.AttemptLogin() +105 System.Web.UI.WebControls.Login.OnBubbleEvent(Object source, EventArgs e) +99 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35 System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +115 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +163 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102
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Feb 20, 2004
Hi all,
I have a ploblem...
i have ful backup file, diffrential backup file, transaction log backup file.
i want to create a new database form backup file.
i do it follow :
Using Enterprise manager
1. Rrestore database from full backup file. it is ok.
2. affter that i restore different database differential backup file. it does not work, the error is :' Theproceding operationdid not specify WITH NORECOVERY or WITH STANDBY. Resatr the restore sequence, specifying WITH NORECOVERY or WITH STANDBY for all but the final step. RESTORE DATABASE is terminating abnormally'
please show me,
nest regard.
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Jul 21, 2007
hi
is it possible to create a database using backup in sql server DE??????????
like we can do in full edition using restore option........
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Jun 28, 2006
Unfortunately I was sent to this product by my Hosting Site since all I was trying to do was Create and Manage a User Login with authentication to my subsites in MS Frontpage. (rant: Why doesn't Frontpage support this technology???)
Anyway, I have now spent (wasted?) 8 hours downloading, installing, and tyring to configure SQL Express along with MS Visual Web Developer Express for ASP.NET 2.0 ... For the life of me I can't find detailed configuration informatin and setup information to build a SIMPLE database to connect to the VW product. Folk: this HAS to be simpler to do than what you present in the product! This is way too difficult to deal with compare with frontpage.
Is there a simple "how to" link someplace that is specific enough to preclude me from uninstalling this entire suite ????
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Apr 24, 2007
In the management studio there is a function to dump the DDL of a database, script database create to and then I can choose file.
What I was wondering and can't seem to find is, whether it is possible to somehow call this function from a program.
Any language, and connection will do for now, if at all posible, or if there is some other way I haven't found to dump the DDL for a database this woudl be much appreciated.
btw, I'm using a mssql 2005 database.
Regards
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Feb 26, 2008
what wrong ?
IF NOT EXISTS ( SELECT * FROM sys.schemas WHERE [name] = 'ATypes' )
BEGIN
CREATE SCHEMA [ATypes] AUTHORIZATION Owner_SchATypes;
END
GO
why I get an error ?
Noam Graizer
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Apr 24, 2007
How can I create a new schema inside a database from Managment studio express.
Also can someone explain me the concept of schema clearly. If database is like a house, then is schema like a room in it ??
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Nov 2, 2007
I€™m trying to create an index on a view. I get the error that €˜the view is not schema bound.€™
Soooo, I try to put it in a schema.
This is the syntax I am using -
CREATE SCHEMA AUTHORIZATION painter
CREATE VIEW large_paints AS
SELECT paint_id,color FROM paint WHERE paint_size=100
CREATE INDEX idx on large_paints (paint_id);
I get the error - Incorrect syntax near the keyword 'INDEX'.
Any ideas?
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Jun 1, 2007
Admit have a txt file similar:
filed1 filed2
aaaaaaaaaa bbbbbbbbbbbbbb
cccccccccccc dddddddddddddd
.............
yyyyyyyyyy zzzzzzzzzzzzzz
How to create VIA VISUAL BASIC (ADO or DAO) a new SQL Server databse?
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Dec 11, 2014
I know this is easy but I am having trouble creating a database from a backup file.
I created a database (Test).
Then I selected 'Test', went to Tasks and selected 'Restore Database'.
I selected 'Device' browsed to the backup file.
I choose the destination database to be 'Test'.
There is no backup sets listed to restore. The 'OK' button is disabled.
How do you get the backup list to display? This is a new database. I don't need a backup.
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Jul 15, 2015
I need to create a new db from a backup file of an allready existing database (vehicledb) on this server.So i created a new database with name "vehicledb2" .But when i try this, the backup says that this file is used...The backup set holds a backup of a database other than the existing 'Vehicles2' database. Restore of database 'Vehicledb' failed.
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Mar 25, 2008
IF NOT EXISTS (SELECT 1 FROM Sys.Schemas WHERE [Name] = N'HR4')
CREATE SCHEMA HR4 AUTHORIZATION [dbo]
The above statements gives me an error saying "Incorrect syntax near schema". But the following code works fine.
DECLARE @sql varchar(100)
set @sql='CREATE SCHEMA HR4 AUTHORIZATION [dbo]'
IF NOT EXISTS (SELECT 1 FROM Sys.Schemas WHERE [Name] = N'HR4')
exec(@sql)
Any ideas on what is causing this error?
Thanks!
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May 22, 2008
I Would like to create a schema sample and make it as default schema instead of dbo.
If a user logs in and creates a table like create table t1 (no int ) .
it would be assigned to sample schema and displayed as sample.t1 not dbo.t1.
How to set the user created schema as primary schema.
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Jun 7, 2005
Hi All, I'am looking for a software (Installer) to create a setup file to install a SQL Server Database just like the one in the Reports Starter Kit, when you install it a dialog will guide you to instaal the database thats what i'am looking for. Anybody knows how can i do that or is there a software that can help me doing that.Best Regards.Wafi Mohtaseb
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