Examine the following command that is used to duplicate a database on the same host： RMAN> RUN { ALLOCATE AUXILIARY CHANNEL， aux 1 DEVICE TYPE DISK； DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY； \ } Which two statements describe the effect after the database is duplicated successfully？（） [" The data files of the read-only tablespaces in the target database are not duplicated"," The read-only tablespaces in the target database are still defined in new the database"," The read-only tablespaces in the target database are changed to online after duplication"," The data files of the read-only tablespaces in the target database get duplicated"," The read-only tablespaces in the target database are not defined in the new database"]
所谓单调作业是指那些千篇一律、简单、快速、高度重复、跟着设备机械地运动、无精神活动余地的工作。（）
As a database administrator you spend a lot of time observing and setting various storage parameter values for your application tables in order to gain performance benefits. Which task would you perform to reduce this overhead？（） ["Coalesce the application tables at a regular interval.","Export and Import the application tables a regular interval.","Drop and recreate the application tables at a regular interval.","Move the application tables to a tablespace with less space usage.","Distribute the application tables across multiple tablespaces depending on usage.","Move the application tables to automatic segment space management tablespace."]
在粘性土的土坡稳定分析中，对于非均质土坡或较复杂土坡的适用方法是（） ["摩擦圆法","泰勒分析法","条分法","分层总和法"]
可竞争市场理论的基本假设条件有（） ["企业进入和退出市场是有条件的","企业进入和退出市场是完全自由的","潜在竞争者能根据现有企业的价格水平评价进入市场的赢利性","潜在竞争者能采取“打了就跑”的策略"]
直接比较法
