关节松动术的禁忌证包括：（） 关节活动已经过度。 外伤或疾病引起的关节肿胀（渗出增加）。 关节的炎症。 恶性疾病。 末愈合的骨折。
国家通过免税政策支持社会保险事业。
You need to create a schedule that will run a job on the second Friday of each month. What should the repeat interval of the schedule be set to？（） FREQ = MONTHLY； BYDAY = 2FRI；。 FREQ = MONTHLY； BYDAY = FRI（2）；。 FREQ = MONTHLY； BYDAY = FRI2；。 FREQ = MONTHLY； BYDAY = -2FRI；。
Users in your PROD database complain about the slow response of the transactions. While investigating the reason， you find that the transactions are waiting for the undo segments to be available， and undo retention has been set to zero. What would you do to overcome this problem？（） increase the undo retention。 create more undo segments。 create another undo tablespace。 increase the size of the undo tablespace。
计日工材料从工地现场仓库运至使用地点的人工费和施工机械使用费不包括在计日工材料基本单价内。
Which three JVM options would you add to investigate performance issues in a Hot-Spot JVM?（）
