entityframework core and sql 2016 temporal tables

EntityFramework - Composite Key Table with FK to another Composite Key Table

If between ...City... and ...Company... you want to create a one-to-one relationship I'm afraid that is not possible following your model. When you are configuring a one-to-one relationship, Entity Framework requires that the primary key of the dependent end also be the foreign key, otherwise EF doesn't see it as one-to-one relationship. The depend...

implement both EntityFramework 6 and EntityFramework Core side-by-side in a n-tier solution

Here is an excerpt from ...Getting Started with ASP.NET Core and Entity Framework 6...:..."The recommended way to use Entity Framework 6 in an ASP.NET Core 1.0 application is to put the EF6 context and model classes in a class library project (.csproj project file) that targets the full framework. Add a reference to the class library from the...

Column encryption in ASP MVC app with SQL Server 2016 using .net Core / EF Core

I am trying to use the "Always Encrypted" feature in SQL Server 2016 to encrypt some columns. I used ...this post... as a guide to set the columns as encrypted in SSDT....That part goes fine, it's when I attempt to query the data from the application that I get an error. According to the docs I need to add this:...column encryption setting=enabled ...

loading a full hierarchy from a self referencing table with EntityFramework.Core

Explanation why this question is different to: ...EF - multiple includes to eager load hierarchical data. Bad practice?...the possible duplicate is an opinion based question if this is a bad practice or not whereas my question tends to get the technical solution on how to do it, independent of the opinion if it is a good practice or not. I leave th...

Insert Record in Temporal Table using C# Entity Framework

I'm having issue in Insertion of data in ...Temporal table... using C# Entity Framework...The Table schema is...CREATE TABLE People( PeopleID int PRIMARY KEY NOT NULL, Name varchar(50) Null, LastName varchar(100) NULL, NickName varchar(25), StartTime datetime2 GENERATED ALWAYS AS ROW START NOT NULL, EndTime datetime2 G...

Add-Migration EntityFramework Core 2.0 trying to select from table in an empty database

For those who are interested: ...https://github.com/aspnet/EntityFrameworkCore/issues/9625

EntityFramework Core 2.0 - Add Migration error "The EntityFramework package is not installed"

I'm getting an error when trying to Add Migration for Entity Framework Core, to a Code First project, here's the details......I have created a new ASP.Net Core web project (Core 2.0 in VS 2017). Its using the Microsoft.AspNetCore.All dependency, shown below:...I am looking to utilise the Entity Framework Core (my understanding was that the All met...

Entityframework core 2.0 how to map Many-to-Many without creating a join table

As commented on your question, EF Core <= 2.2 ...does not yet support many-to-many relationships... without a join table. This is an ...issue... tracked in the EF Core repo's backlock, and will maybe ...make it into version 3.0.......In your case you'll need to introduce a new table that relates to both parent tables. In this case, your model will ...

How to revert EF Core migration from SQL Server 2016 production machine

You can generate the SQL script to revert a migration using the ...Script-Migration... or ...dotnet ef migrations script... command....dotnet ef migrations script TheAppliedMigration TheMigrationBeforeIt -o revert.sql

Why table not exists while I create a in-memory sqlite database with entityframework core?

I want to create an in-memory SQLite database....Here is ...startup.cs...:... public void ConfigureServices(IServiceCollection services) { services.AddControllersWithViews(); services.AddDbContext<TestDBContext>().AddEntityFrameworkSqlite(); } ...Here is the Model of database:... public class Test...