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Your company wants to upgrade the current production database to the RAC environment. To perform testing before migrating to the RAC environment， you performed the workload capture on the production database to record the peak workload. You set up the test RAC databaseand want to replay the recorded workload on the testmachine. Note the following steps that you may require to replay the database workload：  
1） Preprocess the captured workload. 
2） Restart the database in RESTRICTED mode.
3） Set up the Replay Clients. 
4） Restore the test database to the point when the capture started. 
5） Remap connections.  
Arrange the steps required in the correct sequence to accomplish this task on the test machine.（）

Given： 11.String test = "This is a test"； 12.String[] tokens = test.split（"\s"）； 13.System.out.println（tokens.length）； What is the result？（） 0。 1。 4。 Compilation fails.。 项目法人与项目管理单位签订的有关项目建设管理委托合同（协议、责任书）应当体现（）的原则。 能力优先。 多劳多得。 权责统一。 奖优罚劣。 调用主窗体的（）方法，就可以结束程序关闭窗体。 Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eliminate the need to qualify the view with the name MARY .EMP_DEP_LOC_VU each time the view is referenced?（） Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn.。 Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.。 Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.。 Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.。 Scott cannot create a synonym because synonyms can be created only for tables.。 Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.。 常见的调压措施有哪些？

Your company wants to upgrade the current production database to the RAC environment. To perform testing before migrating to the RAC environment， you performed the workload capture on the production database to record the peak workload. You set up the test RAC databaseand want to replay the recorded workload on the testmachine. Note the following steps that you may require to replay the database workload：  
1） Preprocess the captured workload. 
2） Restart the database in RESTRICTED mode.
3） Set up the Replay Clients. 
4） Restore the test database to the point when the capture started. 
5） Remap connections.  
Arrange the steps required in the correct sequence to accomplish this task on the test machine.（）