![]() o|-output The file to write the result to. > dotnet ef migrations script Usage: dotnet ef migrations script It supports LINQ queries, change tracking, updates, and schema migrations. NET (C) across a variety of databases, including SQL Database (on-premises and Azure), SQLite, MySQL, PostgreSQL, and Azure Cosmos DB. f|-force Don't check to see if the migration has Entity Framework is a modern object-relation mapper that lets you build a clean, portable, and high-level data access layer with. > dotnet ef migrations remove Usage: dotnet ef migrations remove > dotnet ef migrations list Usage: dotnet ef migrations list If you're more comfortable working inside Visual Studio or have experience with EF6 migrations, you can also use the Package Manager Console tools. NET Core CLI tools, which work on all platforms. Paths are relative to the project directory. First, you'll have to install the EF Core command-line tools: We generally recommend using the. o|-output-dir The directory (and sub-namespace) to usĮ. > dotnet ef migrations add Usage: dotnet ef migrations add t|-table >TABLE_NAME The project to use. o|-output-dir The directory to put files in. d|-data-annotations Use attributes to configure the model ( > dotnet ef dbcontext scaffold Usage: dotnet ef dbcontext scaffold ![]() ![]() > dotnet ef dbcontext list Usage: dotnet ef dbcontext list > dotnet ef dbcontext info Usage: dotnet ef dbcontext info > dotnet ef database update Usage: dotnet ef database update Several model classes combine to form the schema for the database. msbuildprojectextensionspath The MSBuild project extensions path. This is an in-memory representation of data stored in a database table. ![]() s|-startup-project The startup project to use. dry-run Show which database would be dropped, but don't drop it. > dotnet ef database drop Usage: dotnet ef database drop Let's see available options for each command. A few noticeable points: Upon the start of ISE, the script. Scaffolds a DbContext and entity types for a database. By double clicking on an entry in the pop-up list, the entry is appended to the command line. Updates the database to a specified migration. The following table lists all EF commands and sub commands. Use "dotnet ef -help" for more information about a command.Īs you can see above, there are three main EF commands available: database, dbcontext and migrations. Migrations Commands to manage migrations. prefix-output Prefix output with level.ĭatabase Commands to manage the database.ĭbcontext Commands to manage DbContext types. C:> dotnet ef -helpĮntity Framework Core. Open command prompt and navigate to your project's root folder and enter dotnet ef -help to list EF Core commands, as shown below. NET Core Command List Interface to execute entity framework core commands. WithMany(s => s.StudentCourses) Entity Framework Core Cheat Sheet Features DB-First - Command line DB-First -VS Wizard Model-First Code-First DbContext & DbSet LINQ-to-Entities ChangeTracker Automated Migration Code-based Migration Graphical Visualization of EDM EDM Wizard Querying using EntitySQL Table per hierarchy Table per type Table per concrete class Many-to-Many without join entity Entity Splitting Spatial Data Lazy loading Stored procedure mapping with entity for CUD operation Seed Data Complex Type/Owned types Table splitting Field Mapping Shadow properties Alternate Keys EF Core 1.0 X X 1.0 1.0 1.0 1.0 X 1.0 X X X 1.0 X X X X X 2.1 X 2.1 X 2.0 1.1 1.0 1.0 3 Identity Key Generation Global query filter DB Scalar function Mixed client/server evaluation Eager Loading Proxy Entity Interception Simple Logging GroupBy Transaction Raw SQL Queries: Entity Types Raw SQL Queries: nonentity types DbContext Pooling Data annotations Fluent API Model Format: EDMX (XML) 1.0 2.0 2.0 1.0 1.0 X X X 2.1 1.0 2.1 2.0 1.0 1.Home Command Line Interface Commands for Migrations WithMany(s => s.StudentCourses) modelBuilder.Entity(). Explicitly load navigation /reference entity context.Entry(student).Reference(s => s.Grade).Load() Explicitly Load Collection context.Entry(student).Collection(s=>s.Courses).Load() EF Core - Working with DbContext Find by PrimaryKey var student = (1) Create and use DbContext object Disable automatic detect changes using (var context = new SchoolContext()) ) modelBuilder.Entity(). NET Core (Console, ASP.NET Core) Mono & Xamarin (in-progress) UWP (in-progress) 1 Execute raw SQL commands Foreign key property Name int noOfRowsAffected = ("CUD command") EF Core API will create a foreign key column for each reference navigation property in an entity with one of the following naming patterns. NET Framework (Console, Winform, WPF, ASP.NET). Entity Framework Core Cheat Sheet Platforms.
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