You executed this command to create a temporary table： SQL> CREATE GLOBAL TEMPORARY TABLE report_work_area （startdate DATE， enddateDATE， class CHAR（20）） ON COMMIT PRESERVE ROWS； Which statement is true about the rows inserted into the REPORT_WORK_AREA table during a transaction（） The rows stay in the table only until session termination.。 The rows stay in the table only until the next transaction starts on the table.。 The rows are visible to all current sessions after the transaction is committed.。 The rows stay available for subsequent sessions after the transaction is committed。
通常把长期投资分为（）投资和（）投资两种。 广义的。 狭义的。 控股的。 非控股的。
You work as a database administrator for Supportcenter.cn. In your production database， the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database， you want to accomplish this task with no impact on the user’s connections. Which activity must you have completed before accomplishing this task？（） You must have started the database instance in restricted mode.。 You must have started the database instance inNORMALmode.。 You must have started the database instance with server parameter file.。 You must have started the database instance but must not have mounted.。 You must have started the database instance but must not have opened.。
A customer has a large amount of data stored on three database servers and is concerned that at present there is no disaster recovery plan in place. They have an existing tape backup solution that meets their backup window. In order to analyze potential disaster recovery plans， which of the following questions is the most important？（） What is the minimum critical backup window？。 Which server is handling the most critical data？。 How much data is stored on each server？。 What is the throughput of the hard drives？。
龙滩水电站工程招标投标的主要特点是：形成严密、科学的招标操作程序和评标办法，实行（）和综合评标方法。 公开招标。 邀请招标。 无标底招标。 分部招标。
What is the danger associated with stopping a running job by using the STOP_JOB procedure？（）
