You have also examined how the use of parameter markers/host variables may limit the consideration of distribution statistics by the DB2 optimizer.

您还研究了参数标记/主变量的使用会为 DB2 优化器对分布统计信息的考虑带来怎样的限制。

youdao

On distribution roads, where side impacts are likely - when a car might ram into the side of another that is pulling out of a side road, for instance - the limit should be 30mph (50kph).

在容易发生侧面碰撞的快捷干道上，汽车很容易冲撞到正从岔路口进入的车辆，在这样的路上时速应低于30英里(50千米)。

youdao

However, the modes of centralized access control and key distribution limit the extension of their group sizes.

然而，由于其集中式访问控制和密钥分配方式，限制了组规模的进一步扩展。

youdao

Because ideas can flow so freely, efforts to limit distribution raise challenging enforcement obstacles.

FORBES: The Twilight of Copyright?

The panel recommended the drug's approval with a 20-2 vote in February, after Vivus proposed a risk management program to limit Qsymia's distribution and published additional results from one of its three clinical trials.

CNN: FDA approves new diet drug

Examples include exclusive distribution arrangements, which can limit growth, as well limitations on intellectual property.

FORBES: Box.net Shows How Strategic Investors Can Be Key