Videos tagged with ORM

Summary Eric Nelson explains what are ORM, EDM, and ESQL, what is the difference between LINQ to SQL and LINQ to Entities, which one is going to be further developed by Microsoft in the future, accompanied by hands on demos showing how to use them. Bio Eric Nelson has worked at Microsoft UK for twelve years and before joining worked exclusively as a Unix developer writing code in C and other 4G...

In this episode we are going to take a look at how Entity Framework uses T4 Templates (Text Template Transformation Toolkit) when building out the entity model.We will first learn how EF is using the templates, we will then learn how to view and access these templates and finally we will take a look at how to modify these templates to meet your own specific needs.

In this episode we are going to take a look at how to use the Entity Framework via its database first design concepts.When building out an application which is based off of the Entity framework you have multiple options, you can either build your model off of your existing database or build your database of your existing model. This episode will explore how you start with your existing database...

In this episode we are going to take a look at how to use the Entity Framework via its model first design concepts.When building out an application which is based off of the Entity framwork you have multiple options, you can either build your model off of your existing database or build your database of your existing model. This episode will explore how you start with your entity model and buil...

The relational model has long been the domain of databases, but hidden beneath the awkward, non-compositional syntax of SQL lies the relational algebra, an elegant and compact formalism with powerful implications for distributed application design. Because relational models don't rely on pointers and complex object graphs, it's easy to work with them across network boundaries. All data can be r...

Some might think of DataMapper as a better, faster, competitor to ActiveRecord. However, they would be missing on of its greatest strengths. At its core, DataMapper provides a uniform interface on top of ANY persistance layer. All thats needed is a simple adapter class that can translate the native persitance into a simple 4-method API for DataMapper to consume. This talk will cover that API, a...

Sequel is the database toolkit for ruby. This session will discuss the philosophy, design, implementation, and use of Sequel, as well as its history, current status, and future directions. It will show how to use core Sequel via datasets to manipulate sets of objects, as well as Sequel models to manipulate individual objects. It will discuss how to use Sequel’s standard pagination, cachin...

The third edition of Rails will see an overhaul of the framework to merge the philosophies and features of the Merb framework into Rails. Among other things, that includes providing support for ORMs like DataMapper, Sequel (and even Hibernate!) and for JavaScript libraries like jQuery and Dojo. It will define an explicit public API for users and plugins, backed up by a test suite. It will have ...

In this episode we will start a short series on how to use the FluentNHibernate library to create you NHibernate mapping files. We will walk you though creating very simple mappings and showing you how they work when using FluentNhibernate. This is NOT meant to teach you how to use the NHibernate OR/M

A code swarm video for JBoss Tools trunk from December 2004 to January 2009. In the beginning all is pretty quiet/simple when JBoss Tools just contained Hibernate Tools, AS tooling and Project archives - but wait and see what happens around May 2007 and forward when they announced JBoss Developer Studio and got contributions from Exadel;. Video generated by Emanunel Muckenhuber.