Guide to differences between SQL Server Transact SQL and Oracle PL/SQL

Does anyone know of a good book (or online guide) that has an in-depth comparison of the differences between SQL Server Transact SQL and Oracle PL/SQL? (Something more than a beginner's guide)

Below links will surely be helpful
Discontinued features in SQL 2012
Depricated features in SQL Server 2012
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers

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