Frequent question: How do I run a SQL script in migration?

Can we run SQL script using Code First Migrations?

4 Answers. First you need to create a migration. Then in the generated migration file you can write your SQL. What I like to do is to embed the SQL script as a resource in the assembly and use the SqlResource method.

How do I run a migration SQL script using Entity Framework Core?

Popular Answer

  1. In Visual Studio make sure to set as start up project the web application.
  2. In Visual Studio open the PMC: View -> Other Windows -> Package Manager Console (PMC)
  3. In PMC Set the default project to the project that holds the DbContext (the .NET standard 2.2 library in my case)
  4. Add a new migration:

How do I run a SQL script?

To execute a script from the SQL Scripts page:

  1. On the Workspace home page, click SQL Workshop and then SQL Scripts. …
  2. From the View list, select Details and click Go. …
  3. Click the Run icon for the script you want to execute. …
  4. The Run Script page appears. …
  5. Click Run to submit the script for execution.
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How do I create an SQL script from EF migration?

Generate SQL script from Entity Framework migration script

  1. Open a command window in the folder of the project that contains the database access code.
  2. In the command line execute dotnet add package Microsoft.EntityFrameworkCore.Design dotnet restore.
  3. Test the dotnet ef installation with dotnet ef.

Which command is used to run migration?

EF Migrations series

There are four available main commands. Enable-Migrations: Enables Code First Migrations in a project. Add-Migration: Scaffolds a migration script for any pending model changes. Update-Database: Applies any pending migrations to the database.

How do I run code first in migration?

The first step is to enable migrations for our context.

  1. Run the Enable-Migrations command in Package Manager Console. This command has added a Migrations folder to our project. …
  2. The Configuration class. This class allows you to configure how Migrations behaves for your context. …
  3. An InitialCreate migration.

How do I use script migration?

Creating a migration script

  1. From the Object Explorer, select the database you want to add a migration script to.
  2. From the toolbar, select SQL Source Control. …
  3. Go to the Migrations tab.
  4. Select the type of migration script, depending on your development process and the changes you’re making:

How do I run a script file?

Steps to write and execute a script

  1. Open the terminal. Go to the directory where you want to create your script.
  2. Create a file with . sh extension.
  3. Write the script in the file using an editor.
  4. Make the script executable with command chmod +x .
  5. Run the script using ./.

What is run SQL command line?

SQL Command Line (SQL*Plus) is a command-line tool for accessing Oracle Database XE. It enables you to enter and run SQL, PL/SQL, and SQL*Plus commands and statements to: Query, insert, and update data. Execute PL/SQL procedures.

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How do I open SQL command line?

To start SQL Command Line from the desktop and connect locally:

  1. Do one of the following: On Windows: Click Start, point to Programs (or All Programs), point to Oracle Database 10g Express Edition, and then select Run SQL Command Line. …
  2. At the SQL Command Line prompt, enter the following command: CONNECT username/password.

How do I get rid of migration EF Core?

Run “dotnet ef migrations remove” again in the command window in the directory that has the project. json file.

  1. Revert migration from database: PM> Update-Database
  2. Remove migration file from project (or it will be reapplied again on next step)
  3. Update model snapshot: PM> Remove-Migration.

How do I run a EF Core migration?

Migrations are enabled by default in EF Core. They are managed by executing commands. If you have Visual Studio, you can use the Package Manager Console (PMC) to manage migrations. Alternatively, you can use a command line tool to execute Entity Framework CLI commands to create a migration.

How do I get rid of last migration?

Removing and Resetting Migrations

  1. Remove the _MigrationHistory table from the Database.
  2. Remove the individual migration files in your project’s Migrations folder.
  3. Enable-Migrations in Package Manager Console.
  4. Add-migration Initial in PMC.
  5. Comment out the code inside of the Up method in the Initial Migration.