By default, Magento comes with 26 entity types installed:
• catalog_category
• catalog_product
• creditmemo
• creditmemo_comment
• creditmemo_item
• customer
• customer_address
• invoice
• invoice_comment
• invoice_item
• invoice_payment
• order
• order_address
• order_item
• order_payment
• order_status_history
• quote
• quote_address
• quote_address_item
• quote_address_rate
• quote_item
• quote_payment
• shipment
• shipment_comment
• shipment_item
• shipment_track