题目内容

地球绕太阳公转一圈的时间是()。

A. 1天
B. 1年
C. 1.9年

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跳跃中的高度比赛,用单脚或双脚起跳。

A. 正确
B. 错误

管理费用是指企业行政管理部门为()和()经营活动而发生的各项费用

重力式码头墙后吹填时,应对吹填的高度、码头前后水位、码头的位移和沉降进行观测,其主要目的是()。

A. 为及时发现和防止码头产生过大变形
B. 为统计吹填工作量
C. 决定吹泥管口的位置
D. 为确定合适的围堰高程

While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it. Identify the two events that can occur in the event of a log switch?()

An entry is created in the alert log file and the database instance continues to function normally
B. The log switch hangs occur for transactions until free space is available in the flash recovery area
C. The Oracle database server deletes a file that is on the obsolete file list to make free space in the flash recovery area
D. The database instance status is implicitly changed to RESTRICTED mode and file creations to the flash recovery area are prevented

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