You have a very large table that your users access frequently. Which of the following advisors will recommend any indexes to improve the performance of queries against this table?()
A. The Automatic Memory Manager (AMM)
B. The SQL Tuning Advisor
C. The Segment Advisor
D. The SQL Access Advisor
查看答案
CT机的管电压一般在()。
A. 80~100kV
B. 80~140kV
C. 60~140kV
D. 60~150kV
E. 40~150kV
隔离的概念是将下列哪些病人与其他病人分开()
A. 传染期病人
B. 疑是传染病人
C. 病原携带者
D. 以上都是
E. 以上都不是
冬季人体锻炼时,身体周围的空气流速与身体热量散发成正比。
A. 正确
B. 错误