Developer Training Kit is my favorite part of any product. The reason behind is very simple because it give the single resource which gives complete overview of the product in nutshell. A developer can learn from many places – books, webcasts, tutorials, blogs, etc. However, I have found that developer training kits are the best starting point for any product. Start with them first, see what are the new features as well what is the new message a product is coming up with. Once it is learned the very next step should be to identify the right learning material to explore the preferred topic.

The SQL Server 2012 Developer Training Kit includes technical content including labs, demos and presentations designed to help you learn how to develop SQL Server 2012 database and BI solutions. New and updated content will be released periodically and can be downloaded on-demand using the Web Installer.

Download SQL Server 2012 Developer Training Kit Web Installer.

This training kit was available earlier this year but it is never late to explore it if you have not referred it earlier. Additionally, if you do not want to download complete kit all together I suggest you refer to Wiki here. This wiki contains all the same presentations and demo notes which web installer contains.

Refer to SQL Server 2012 Developer Training Kit Wiki

Wiki contains following module and details about Hands On Labs
Module 1: Introduction to SQL Server 2012
Module 2: Introduction to SQL Server 2012 AlwaysOn
Module 3: Exploring and Managing SQL Server 2012 Database Engine Improvements
Module 4: SQL Server 2012 Database Server Programmability
Module 5: SQL Server 2012 Application Development
Module 6: SQL Server 2012 Enterprise Information Management
Module 7: SQL Server 2012 Business Intelligence
Hands-On Labs: SQL Server 2012 Database Engine
Hands-On Labs: Visual Studio 2010 and .NET 4.0
Hands-On Labs: SQL Server 2012 Enterprise Information Management
Hands-On Labs: SQL Server 2012 Business Intelligence
Hands-On LabsHands-On Labs: Windows Azure and SQL Azure

As I said, if you have not downloaded this so far, it is never late to explore it. Trust me you will atleast learn one thing if you just explore the content.

Reference: Pinal Dave (http://blog.sqlauthority.com)