考试
英译中：Batch number
At 10：30 A.M.， you ran a batch job by mistake， which executed a transaction in the database. The transaction identifier of the transaction that made to the changes in the database is 0500A00627B000. At 11：10 A.M.， you stopped the batch job. Now， you want to identify the changes made to the database tables by the batch job. Which view will you query？（）
A solution for two batch applications was proposed in Companycom meeting. They are currently running in two LPARs on a p690. On a daily basis, both applications use 15% of the machine for their workload, and increase to 100% when their weekly reports are run. Since the reports are not run on the same day, what is the best solution?（）
A batch application executes a large number of update statements. The service level agreement for the application states that the application must complete its work as quickly as possible to ensure that dependent workloads can start ontime. What is one way to help the application complete quickly?（）
By mistake， you ran the batch job （for updating the BILL_DETAILS table） twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify： a） A list of changes made along with the transaction identifier of each change. b） The necessary SQL statements to undo the erroneous changes. Which option would you choose？（）
A user is running a long update batch file. Many tables are updated and all the statements are in one transaction. Before the process is finished， the user machine lost power. When the user calls you， what should you do as DBA？（）
By mistake， you ran the batch job （for updating the BILL_DETAILS table） twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify： a） a list of changes made along with the transaction identifier of each change b） the necessary SQL statements to undo the erroneous changes Which option would you choose？（）
All units of the first batch were to be recalled due to the design flaws in ______.
Linux的调度启动命令有at、cron、batch，$at –f /tmp/print job 2100 12/25/04的含义为：（）
