【多选题】多媒体认知理论的步骤除了选择关键词、选择相关图像还有哪些:
【简答题】设在SQL Server 2008某数据库中有按如下格式定义的存储过程首部:CREATE PROC Pl@X int,@Y int,@Z int output AS…请补全下列调用该存储过程的语句。DECLARE@S intEXEC Pl 20,30,@S【7】
【判断题】制造费用分配表等各种费用分配表属于原始凭证中的记账编制凭证。
【单选题】设在SQL Server 2008某数据库中有表SC(Sn0,Cn0,Grade),其rade列的类型为int。若在查询成绩时,希望将成绩按“优”、“良”、“中”、“及格”和“不及格”形式显示,则下列Case函数中正确的是( )。
A.
Case GradeWhen Grade between 90 and 100 THEN Grade=ˊ优ˊWhen Grade between 80 and 89 THEN Grade=ˊ良ˊWhen Grade between 70 and 79 THEN Grade=ˊ由ˊWhen Grade between 60 and 69 THEN Grade=ˊ及格ˊElse Grade=ˊ不及格ˊEnd
B.
Case GradeWhen Grade between 90 and 100 THEN ˊ优ˊWhen Grade between 80 and 89 THEN ˊ良ˊWhen Grade between 70 and 79 THENˊ中ˊWhen Grade between 60 and 69 THENˊ及格ˊElseˊ不及格ˊEnd
C.
CaseWhen Grade between 90 and 100 THEN Grade=ˊ优ˊWhen Grade between 80 and 89 THEN Grade=ˊ良ˊWhen Grade between 70 and 79 THEN Grade=ˊ由ˊWhen Grade between 60 and 69 THEN Grade=ˊ及格ˊElse Grade=ˊ不及格ˊEnd
D.
CaseWhen Grade between 90 and 100 THENˊ优ˊWhen Grade between 80 and 89 THEN ˊ良ˊWhen Grade between 70 and 79 THEN ˊ由ˊWhen Grade between 60 and 69 THEN ˊ及格ˊElseˊ不及格ˊEnd
【判断题】硬质面包是一种内部组织水分少,结构紧密、结实的面包。
【判断题】硬质面包是一种内部组织水分少,结构紧密、结实的面包。
【判断题】无风险报酬率就是加上通货膨胀贴水以后的货币时间价值,西方企业一般把投资于国库券的报酬率视为无风险报酬率。()
【判断题】无风险报酬率就是加上通货膨胀贴水以后的货币时间价值。()