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New features for unit testing your Entity Framework Core 5 code
This article is about unit testing applications that use Entity Framework Core (EF Core), with the focus on the new approaches you can use in EF Core 5. I start out with an overview of the different...
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How to update a database’s schema without using EF Core’s migrate feature
This article is aimed at developers that want to use EF Core to access the database but want complete control over their database schema. I decided to write this article after seeing the EF Core...
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My experience of using modular monolith and DDD architectures
This article is about my experience of using a Modular Monolith architecture and Domain-Driven Design (DDD) approach on a small, but complex application using ASP.NET Core and EF Core. This isn’t a...
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My experience of using the Clean Code architecture with a Modular Monolith
In this article I look at my use of a Clean Code architecture with the modular monolith architecture covered in the first article. Like the first article this isn’t primer on Clean Code and modular...
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Five levels of performance tuning for an EF Core query
This is a companion article to the EF Core Community Standup called “Performance tuning an EF Core app” where I apply a series of performance enhancements to a demo ASP.NET Core e-commerce book...
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Using PostgreSQL in development: Part 1 – Installing PostgreSQL on Windows
I started work on a library that uses a PostgreSQL, which means I need a PostgreSQL database to test it against. The best solution is to run a PostgreSQL server on my Windows development PC as that...
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How to safely apply an EF Core migrate on ASP.NET Core startup
There are many ways to migrate a database using EF Core, and one of the most automatic approaches is to call EF Core’s MigrateAsync method on startup of your ASP.NET Core application – that way you...
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Building ASP.NET Core and EF Core multi-tenant apps – Part1: the database
Multi-tenant applications are everywhere – your online banking is one example and GitHub is another. They consist of one set of code that is used by every user, but each user’s data is private to that...
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Building ASP.NET Core and EF Core multi-tenant apps – Part2: Administration
In Part 1 of this series, you learnt how to set up the multi-tenant application database so that each tenant had its own set of data, which is private to them. This article explores the administration...
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Multi-tenant apps with different versions can increase your profits
This article explores ways you can make each tenant in your multi-tenant applications have different features – for instance, Visual Studio has three versions: Community, Pro, and Enterprise. This is...
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Building ASP.NET Core and EF Core hierarchical multi-tenant apps
This article looks at a specific type of multi-tenant where a tenant can have a sub-tenant. For instance, a large company called XYZ with different businesses could have a top-level tenant called XYZ,...
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Advanced techniques around ASP.NET Core Users and their claims
This article describes some advanced techniques around adding or updating claims of users when building ASP.NET Core applications. These advanced techniques are listed below with examples taken from...
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Part6: Using sharding to build multi-tenant apps using ASP.NET Core and EF Core
This article describes how to use EF Core and ASP.NET Core to create a multi-tenant application where each different groups (known as tenants) has its own database – this is known as sharding. A...
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Using custom databases with the AuthP library – Part1: normal apps
The AuthPermissions.AspNetCore library, referred to as AuthP library, provides enhanced Roles authentication and multi-tenant services to an .NET application. The AuthP library needs to store...
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The (long) journey to a better sharding multi-tenant application
This article focuses on the sharding approach of building a .NET multi-tenant application using the AuthPermissions.AspNetCore library (shortened to AuthP). After working exclusively on a...
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A detailed look at EF Core’s JSON Columns feature
Some developers used EF Core JSON Columns in their DbContext when using my EfCore.SchemaCompare library, then they had a problem. That’s because I hadn’t added support for JSON Columns to my...
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