Tuesday, August 6, 2013

Depreciated ODM features in 12c

With the release of the Oracle 12c Database there has been some changes to the Advanced Analytics options. Most of the new features both in the database and in the ODM tool have been documented in previous blog posts.
But what has been removed from the Advanced Analytics Option and what is not longer supported.
The first of these is the Java API that Oracle supplied many, many years ago. They have been saying for a few years now and since the release of 11.2g that these Java APIs are no longer supported. Again the documentation states this and the demo scripts are not included in the latest SQL Developer 4.  Instead of using the Java APIs you can using the in-database SQL functions and procedures.
One of the in-database DM algorithms was the Adaptive Bayes Network (ABN). Although this was de-supported in 11.2g of the database is was still in the database. This was to give customers who were still using it time to migrate to using the other algorithms. In 12c the ABN algorithm is not in the the database.  Before you upgrade your 11.2.x Oracle database to 12c you will need to drop any ABN models that you have in your database

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