What is the result of executing a TRUNCATE TABLE command on a table that has Flashback Archivingenabled?（） It fails with the ORA-665610 Invalid DDL statement on history-tracked message。 The rows in the table are truncated without being archived.。 The rows in the table are archived, and then truncated.。 The rows in both the table and the archive are truncated.。
电池体安装在铁架上时，应垫（），使之牢固可靠。 铁片。 布条。 缓冲胶垫。
Users are performing a large volume of inserts and deletes on the application tables in the APPS tablespace. You observe that there are several warning alerts being generated for the APPS tablespace space usage metrics. Currently， the warning threshold for the tablespace usage metrics is set to 70%. To make the generated alerts more useful as a problem identification tool， you want to reduce the frequency of alert generation for the tablespace usage metrics for the APPS tablespace. What should you do？（） Disable SQL tracing for the APPS tablespace.。 Disable logging attributes for the APPS tablespace.。 Modify the tablespace to be a dictionary-managed tablespace.。 Increase the critical threshold value for the tablespace space usage metrics for the APPS tablespace.。 Increase the warning threshold value for the tablespace space usage metric for the APPS tablespace.。
Using Oracle Scheduler you have scheduled two jobs， JOB_A and JOB_B， to run at 9：00 p.m. every Friday. You want both the jobs to use a single resource plan， WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective？（） A window must have been created with the WEEKEND_PLAN resource plan.。 A program must have been created with the WEEKEND_PLAN resource plan.。 A job class must have been created with the WEEKEND_PLAN resource plan.。 A windows group must have been created with the WEEKEND_PLAN resource plan.。
离心泵需要密封的是外泄漏。
某男性患者，34岁，劳动时不慎刺破左手中指，未引起重视，3d后出现患指肿胀、发红，剧痛，手下垂时疼痛加剧，今天出现发热、全身不适。血常规检查，白细胞计数增高。最佳护理措施是（）
