mdf

问题 Just wondering if it is possible to convert sql-server *.mdf file into sqlite file ? 回答1: There's a C# utility to automatically do the conversion from SQL Server DB to SQLite DB on CodeProject 回答2: DBConvert for SQLite and MS SQL is a dependable bi-directional database converter which enables you to migrate data from SQLite to MS SQL server and from MS SQL to SQLite. DBConvert features: Unicode Support, Primary keys and Indexes conversion, Interactive multilingual (GUI) mode/command line mode

问题 I've created a new project in VS2008, and added a .MDF file to the project. This is the first time I've tried to use the MDF files and .SQLEXPRESS databases (I've always used extenal Oracle servers in the past). I'm trying to document everything as I go, but I can't figure out what credentials are being used to connect to the .MDF file. Is there an easy way to find out? 回答1: If you're using the *.mdf file in the App_Data folder of an ASP.NET app you can use this. Server=.\SQLExpress

问题 I created a .mdf file by SQL Server and put it to a local file. I run my program in a computer which has no SQL Server installed. And also I used classes from the System.Data.SqlClient namespace (i.e. SqlConnection ..) I want to make some kind access connection with .mdf file which was created by SQL Server? Is it possible ? 回答1: I don't think it is possible to interact with an MDF file without going through a SQL Server engine. You would most likely install SQL Server Express (which should

问题 I'm building a .NET 4.5 (winforms) application that uses LocalDB to work with a local MDF file, using this connection string: Data Source=(LocalDB)\v11.0;AttachDbFilename=|DataDirectory|\DB\DatabaseFile.mdf;Integrated Security=True;MultipleActiveResultSets=True When I run my application, the first SQL query takes some time to execute - nothing drastic, about 2 or 3 seconds. After that, all next SQL queries are executed instantly. I assume that the extra seconds during the first execution are

问题 Very mysterious issue here. I have mdf-file in project with single table (double-clicking will show this): CREATE TABLE [dbo].[Table] ( [Id] DATETIME NOT NULL, [Version] NCHAR (20) NULL, PRIMARY KEY CLUSTERED ([Id] ASC) ); Then I add dbml (Linq-to-SQL), drag table there, add some code partial class TestDataContext { public static string DatabaseFile { get; private set; } public static string ConnectionString { get; private set; } static TestDataContext() { DatabaseFile = Path.Combine

问题 In development, i.e., when using Visual Studio and its built-in IIS Express instance, I have set up my web app to use LocalDB, with the data MDF file located in a directory on my computer but not inside the project directory, e.g., "C:\MyAppData\MyAppData.mdf", not "C:[...]\MyAppProject\App_Data\MyAppData.mdf." This is working just fine when using Visual Studio/IIS Express, and the connection string being used looks something like this: <add name="MyAppEntities" connectionString="metadata=res

问题 How do I Hibernate connection.url for SQL Server .MDF File? I've tried prop.setProperty("hibernate.connection.url", "jdbc:sqlserver://c:\\db.mdf"); but don't work :( Thx! 回答1: The property hibernate.connection.url takes the JDBC URL that you have to provide which connects to a database. Read more about it in the documentation. Eg: hibernate.connection.url = jdbc:postgresql://localhost/mydatabase MDF file is an internal representation of data in MS SQL Server. You should be connecting to a SQL

问题 Basically, I have a Windows Forms Application that includes a dataGridView with the DataSource being an MDF file named VoRteXData.mdf. Now, I need to deploy this to an external location. For my forms code, it includes: private void Form1_Load(object sender, EventArgs e) { SqlConnection sqlCon = new SqlConnection(); sqlCon.ConnectionString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=C:\Users\Moderator\Documents\VoRteXData.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True";

问题 I create simple example to create question easyer. So in my c# project I create an mdf database with articles. Then I connect database in my program and read values from table articles. It gives me results, but not the latest. If I have one result it showes me this one. Then I go in articles table to add one new article and run program again and in this case program showes me only the first one. But if I "Build solution" it finds all of them. What I have to do? I wish, that program will have

问题 I'm attempting to read a Microsoft SQL Server MDF file into a Python pandas DataFrame. I'm extremely lost on the subject and would really appreciate any push in the right direction. Please let me know any information that would make answering this question easier. Here are some of the resources I've found but can't seam to bring to a finished product: https://pandas.pydata.org/pandas-docs/stable/io.html#engine-connection-examples http://pandas.pydata.org/pandas-docs/stable/generated/pandas