PMC/PowerShell Commands for Migrations

Migration commands in Entity Framework Core can be executed using the Package Manager Console in Visual Studio. Open the Package Manager Console from menu Tools -> NuGet Package Manger -> Package Manager Console in Visual Studio to execute the following commands.

PMC Command	Usage
Get-Help entityframework	Displays information about entity framework commands.
Add-Migration <migration name>	Creates a migration by adding a migration snapshot.
Remove-Migration	Removes the last migration snapshot.
Update-Database	Updates the database schema based on the last migration snapshot.
Script-Migration	Generates a SQL script using all the migration snapshots.
Scaffold-DbContext	Generates a DbContext and entity type classes for a specified database. This is called reverse engineering.
Get-DbContext	Gets information about a DbContext type.
Drop-Database	Drops the database.

Get-Help Command

PM> get-help entityframework
        
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TOPIC
    about_EntityFrameworkCore

SHORT DESCRIPTION
    Provides information about the Entity Framework Core Package Manager Console Tools.

LONG DESCRIPTION
    This topic describes the Entity Framework Core Package Manager Console Tools. 
    See https://docs.efproject.net for information on Entity Framework Core.

    The following Entity Framework Core commands are available.

        Cmdlet                      Description
        --------------------------  ---------------------------------------------------
        Add-Migration               Adds a new migration.

        Drop-Database               Drops the database.

        Get-DbContext               Gets information about a DbContext type.

        Remove-Migration            Removes the last migration.

        Scaffold-DbContext          Scaffolds a DbContext and entity types for a database.

        Script-Migration            Generates a SQL script from migrations.

        Update-Database             Updates the database to a specified migration.

SEE ALSO
    Add-Migration
    Drop-Database
    Get-DbContext
    Remove-Migration
    Scaffold-DbContext
    Script-Migration
    Update-Database

Add-Migration

NAME
    Add-Migration
    
SYNOPSIS
    Adds a new migration.
    
    
SYNTAX
    Add-Migration [-Name] <String> [-OutputDir <String>] [-Context <String>] [-Project <String>] 
                    [-StartupProject <String>] [<CommonParameters>]
    
    
DESCRIPTION
    Adds a new migration.

REMARKS
    To see the examples, type: "get-help Add-Migration -examples".
    For more information, type: "get-help Add-Migration -detailed".
    For technical information, type: "get-help Add-Migration -full".

Remove-Migration Command

NAME
    Remove-Migration
    
SYNOPSIS
    Removes the last migration.
    
SYNTAX
    Remove-Migration [-Force] [-Context <String>] [-Project <String>] [-StartupProject <String>] 
                        [<CommonParameters>]
    
DESCRIPTION
    Removes the last migration.

RELATED LINKS
    Add-Migration
    about_EntityFrameworkCore 

REMARKS
    To see the examples, type: "get-help Remove-Migration -examples".
    For more information, type: "get-help Remove-Migration -detailed".
    For technical information, type: "get-help Remove-Migration -full".

Update-Database Command

NAME
    Update-Database
    
SYNOPSIS
    Updates the database to a specified migration.
    
    
SYNTAX
    Update-Database [[-Migration] <String>] [-Context <String>] [-Project <String>] 
                        [-StartupProject <String>] [<CommonParameters>]
    
    
DESCRIPTION
    Updates the database to a specified migration.
    

RELATED LINKS
    Script-Migration
    about_EntityFrameworkCore 

REMARKS
    To see the examples, type: "get-help Update-Database -examples".
    For more information, type: "get-help Update-Database -detailed".
    For technical information, type: "get-help Update-Database -full".

Script-migration Command

NAME
    Script-Migration
    
SYNOPSIS
    Generates a SQL script from migrations.
    
    
SYNTAX
    Script-Migration [-From] <String> [-To] <String> [-Idempotent] [-Output <String>] 
                        [-Context <String>] [-Project <String>] [-StartupProject <String>] 
                        [<CommonParameters>]
    
    Script-Migration [[-From] <String>] [-Idempotent] [-Output <String>] [-Context <String>] 
                        [-Project <String>] [-StartupProject <String>] [<CommonParameters>]
    
    
DESCRIPTION
    Generates a SQL script from migrations.
    

RELATED LINKS
    Update-Database
    about_EntityFrameworkCore 

REMARKS
    To see the examples, type: "get-help Script-Migration -examples".
    For more information, type: "get-help Script-Migration -detailed".
    For technical information, type: "get-help Script-Migration -full".

scaffold-dbcontext Command

NAME
    Scaffold-DbContext
    
SYNOPSIS
    Scaffolds a DbContext and entity types for a database.
    
    
SYNTAX
    Scaffold-DbContext [-Connection] <String> [-Provider] <String> [-OutputDir <String>] 
                        [-Context <String>] [-Schemas <String[]>] [-Tables <String[]>] 
                        [-DataAnnotations] [-Force] [-Project <String>] [-StartupProject <String>] 
                        [<CommonParameters>]
    
    
DESCRIPTION
    Scaffolds a DbContext and entity types for a database.
    

RELATED LINKS
    about_EntityFrameworkCore 

REMARKS
    To see the examples, type: "get-help Scaffold-DbContext -examples".
    For more information, type: "get-help Scaffold-DbContext -detailed".
    For technical information, type: "get-help Scaffold-DbContext -full".

Get-DbContext Command


NAME
    Get-DbContext
    
SYNOPSIS
    Gets information about a DbContext type.
    
    
SYNTAX
    Get-DbContext [-Context <String>] [-Project <String>] [-StartupProject <String>] 
                    [<CommonParameters>]
    
    
DESCRIPTION
    Gets information about a DbContext type.
    

RELATED LINKS
    about_EntityFrameworkCore 

REMARKS
    To see the examples, type: "get-help Get-DbContext -examples".
    For more information, type: "get-help Get-DbContext -detailed".
    For technical information, type: "get-help Get-DbContext -full".

Drop-Database Command

NAME
    Drop-Database
    
SYNOPSIS
    Drops the database.
    
    
SYNTAX
    Drop-Database [-Context <String>] [-Project <String>] [-StartupProject <String>] 
                    [-WhatIf] [-Confirm] [<CommonParameters>]
    
    
DESCRIPTION
    Drops the database.
    

RELATED LINKS
    Update-Database
    about_EntityFrameworkCore 

REMARKS
    To see the examples, type: "get-help Drop-Database -examples".
    For more information, type: "get-help Drop-Database -detailed".
    For technical information, type: "get-help Drop-Database -full".