orm

Any good ORM tools for Android development? [closed]

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Get Specific Columns Using “With()” Function in Laravel Eloquent

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I have two tables, User and Post. One User can have many posts and one post belongs to only one user. In my User model I have a hasMany relation… public function post(){ return $this->hasmany(‘post’); } And in my post model I have a belongsTo relation… public function user(){ return $this->belongsTo(‘user’); } Now I want … Read more

Doctrine2: Best way to handle many-to-many with extra columns in reference table

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I’m wondering what’s the best, the cleanest and the most simply way to work with many-to-many relations in Doctrine2. Let’s assume that we’ve got an album like Master of Puppets by Metallica with several tracks. But please note the fact that one track might appears in more that one album, like Battery by Metallica does … Read more

Entity Framework Code First – two Foreign Keys from same table

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I’ve just started using EF code first, so I’m a total beginner in this topic. I wanted to create relations between Teams and Matches: 1 match = 2 teams (home, guest) and result. I thought it’s easy to create such a model, so I started coding: public class Team { [Key] public int TeamId { … Read more

What’s the best strategy for unit-testing database-driven applications?

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I work with a lot of web applications that are driven by databases of varying complexity on the backend. Typically, there’s an ORM layer separate from the business and presentation logic. This makes unit-testing the business logic fairly straightforward; things can be implemented in discrete modules and any data needed for the test can be … Read more

Conversion of a datetime2 data type to a datetime data type results out-of-range value

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I’ve got a datatable with 5 columns, where a row is being filled with data then saved to the database via a transaction. While saving, an error is returned: The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value It implies, as read, that my datatable has a … Read more