更新时间:2022-11-27 21:12:34
您不需要:优化器根据查询的成本"(以及其他一些因素)做出决定
You don't: the optimizer decides based on the "cost" of the query (and some other factors)
参见 BOL:并行查询处理
现在,您可以使用 MAXDOP 限制并行度或更改成本阈值,但我不会这样做.
Now, you can limit parallelism with MAXDOP or change the cost threshold, but it's not something I'd do.
为什么要明确设置?