Now that you created the DB2 development database and moved the JDBC application there, you can now optimize the application by tuning its SQL as needed for access to DB2.
2
如果它很少运行或没有导致生产问题并且是工作负载的一部分，我们将在下周维护期间对它进行调优。
If it runs infrequently or is not causing production issues and is part of the workload, we'll tune it for next week during our weekly maintenance.
3
在前面几个小节中，您调优了查询并改进了它的预计成本。
In the last few sections, you tuned the query and improved its predicted cost.
点击反馈