题目内容

以下在执行研究方案的要求中,不符合严格有目的记录的是()

A. 观察记录的训练
B. 按记录表格详细记录
C. 当天记录当天整理
D. 当天记录,但整理时间比较随意

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JB/T4730标准规定,当使用磁轭最大间距时,交流电磁轭至少应有()的提升力

A. 4N
B. 45N
C. 68N
D. 92N

120.1型控制阀局减阀由局减活塞、局减阀膜板、O形橡胶密封圈、()、局减阀簧、压垫、毛毡等组成。

A. 局减阀杆
B. 项杆
C. 递动杆
D. 稳定杆

Your database supports a DSS workload that involves the execution of complex queries: Currently, the library cache contains the ideal workload for analysis. You want to analyze some of the queries for an application that are cached in the library cache. What must you do to receive recommendations about the efficient use of indexes and materialized views to improve query performance?()

A. Create a SQL Tuning Set (STS) that contains the queries cached in the library cache and run the SQL Tuning Advisor (STA) on the workload captured in the ST
B. Run the Automatic Workload Repository Monitor (ADDM).
Create an STS that contains the queries cached in the library cache and run the SQL Performance Analyzer (SPA) on the workload captured in the ST
D. Create an STS that contains the queries cached in the library cache and run the SQL Access Advisor on the workload captured in the ST

女员工怀孕不满4个月(含4个月)自然流产可休产假15天,怀孕满4个月以上自然流产的休产假30天,员工人流按病假处理

A. 正确
B. 错误

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