The scalability benefit of the tag comes at the cost of sidestepping the Same Origin Policy security model, introducing potential attack vulnerabilities.
标记的可伸缩性优点的获得以避开同源策略安全性模型为代价，可能导致易于收到攻击。
3
The optimizer uses a sophisticated cost-benefitmodel to consider placing TQ operators directly above some of the SHIP operators found in federated execution plans.