Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email email@example.com.
Since 0.8.16100 you can give a prefix for Magento’s tables. So you can give a namespace to Magento’s native tables and if you never use this prefix, there will not be any conflict between your tables and Magento’s ones.