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【单选题】
▲2. “人的思维是否具有真理性，这并不是一个理论的问题，而是一个实践的问题。人应该在实践中证明自己思维的真理性，即自己思维的现实性和力量，亦即自己思维的此岸性。”这一论断说明了A.
实践是认识的来源和动力
B.
实践是检验认识是否具有真理性的唯一标准
C.
实践检验真理不需要理论指导
D.
认识活动与实践活动具有同样的作用和力量
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【单选题】You have created a resource plan， DAY. You execute the following code： SQL> BEGIN DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_DIRECTIVE （ PLAN => ’DAY’， COMMENT => ’DEPARTMENTS PLAN’， ...
A.
The DEVELOPERS and DEPARTMENTS subplans will be allocated CPU equally.
B.
The DEVELOPERS subplan will be allocated 100 percent CPU if there are no resources allocated to the DEPARTMENTS subplan.
C.
The DEPARTMENT subplan will be allocated 100 percent CPU if there are no resources allocated to the DEVELOPERS subplan.
D.
The second code will not execute because one resource plan cannot be used by more than one subplan.
【单选题】In the use of closeness ratings for process layouts, the code "U" means the closeness between two departments is:
A.
(U)nknown
B.
(U)nusually important
C.
of (U)sual importance
D.
(U)nimportant
E.
(U)ndesirable
【单选题】关系模式department(code,name)、employee(code,name,sex,dept,phone),查询“研发部”的员工信息,查询结果包括code,name,sex,phone,正确的语句是()
A.
select code,name,sex,phone from employee where dept =’研发部’;
B.
select code,name,sex,phone from employee em,department de where de.code=em.dept and de.dept=’研发部’;
C.
select code,name,sex,phone from employee em,department de where de.code=em.code and de.name=’研发部’;
D.
Select em.code,name,sex,phone from employee em,department de where de.code=em.dept and de.name=’研发部’;
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