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** : eZ Publish 5.0 is the last version supporting Oracle, there it was only supported on legacy kernel with the exception of REST v1 where it was not supported. It is not supported on 5.1 and higher versions on eZ Publish.
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eZ Publish 5.x | For eZ Platform & eZ Studio topics see Technical manual and User manual, for eZ Publish 4.x and Legacy topics see eZ Publish legacy