Put a query against Jack's name—I'm not sure if he's coming.
在杰克的名字旁边打个问号—他来不来我不清楚。
Indexes can really turbocharge DB2 query performance, but if you put too many on a table, you could end up with response time and throughput going in the wrong direction.
索引的确能增强DB 2查询性能,但如果一个表上放置太多索引,那么最终响应时间和流量将走向错误方向。
Of course, you can also put these URLs into an XML file and pass it as input to the query: it's just a matter of personal preference.
当然,您也可以将这些URLs放置到一个XML文件中并将其作为输入传递到查询:这只是一个个人喜好问题。
应用推荐