情景转变
You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode. Which two statements are correct in this scenario？ （） [" The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO."," The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas."," Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management."," The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode."]
成功期望就是与个人的成就动机和个人自我的发展目标相关联的一个概念，它是指个体在一定的成就动机驱动下朝向目标迈进的心理准备状况。（）
税收公平包括（）。 ["绝对公平","相对公平","横向公平","纵向公平"]
You want the size of the tablespace to increase when it is full. Which option would you use？（） ["use automatic extent allocation","disable threshold for the tablespace","use freelists to manage the free space","use automatic segment space management","create the tablespace as a bigfile tablespace","use the RESIZE clause while creating the tablespace","enable AUTOEXTEND for at least one of the data files in the tablespace"]
简述脊椎动物亚门的进步性特征有哪些。
