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Jeremiah Peschka 4.48
Description:
A database is far more than a persistent object store for your application; it is capable of data validation en masse, aggregations, and creating different projections of data. By working with your database, rather than against it, it is possible to leverage all of the capabilities of a relational database to provide rich, high performance interaction with your application through an ORM. This presentation will discuss the finer points of building a full-featured data access layer using an ORM and the features of a relational database.

Good talk, learned a lot.
I would describe as an advanced level talk; there were moments where it was a little hard to keep up because of new terms being introduced without explanation of meaning. However, I'm not really knocking that, because it kept the talk going at a good pace and gave me something to read up on the next day.