第1题:
Her sickness ,___________ with terrible weather ,has completely ruined this long-expected trip
A.combining
B.combined
C.to combine
D.to be combined
第2题:
SQL中,“AGE IN(15,35)”短语的正确含义是
A.AGE=15 AND AGE=35
B.AGE=15 OR AGE=35
C.AGE<=35 AND AGE>=15
D.AGE<35 AND AGE>15
第3题:
●在SQL中,下列涉及空值的操作,不正确的是 (23) 。
(23) A.AGE IS NULL
B.AGE IS NOT NULL
C.AGE=NULL
D.NOT(AGE IS NULL)(23) A.AGE IS NULL
B.AGE IS NOT NULL
C.AGE=NULL
D.NOT(AGE IS NULL)
第4题:
根据SQL标准,要修改表student中所有学生的年龄age,使之在原值基础上减一,下面哪个语句适用?()
A update student set age = 1
B update student set age = age - 1
C update age = age -1 from student
D update from student where age = age -1
第5题:
运行时组合框控件Comb1中所选择的表项,可以表示为。
A.Comb1.Text
B.Comb1.List
C.Comb1.ListIndex
D.Comb1.ListCoun
第6题:
SQL中,“AGE IN(15,35)”短语的正确含义是( )。
A.AGE=15 AND AGE=35
B.AGE=15 OR.AGE=35
C.AGE<=35 AND AGE>=15
D.AGE<35 AND AGE>15
第7题:
17 ) SQL 中, " AGE IN ( 15 , 35 ) " 短语的正确含义是
A ) AGE = 1 5 AND AGE = 35
B ) AGE = 1 5 OR AGE = 35
C ) AGE < = 35 AND AGE > = 15
D ) AGE < 3 5 AND AGE > 15
第8题:
数据库SQL语言中,AGE IN(15,35)短语的正确含义是(14)。
A.AGE=15AND AGE=35
B.AGE=15 OR AGE=35
C.AGE<=35 AND AGE>=15
D.AGE<35 AND AGE>15
第9题:
设组合框Combol中有3个项目,则以下能删除最后一项的语句是______。
A.Comb01.RemoveltemText
B.Comb01.Rcmoveltem2
C.Comb01.Removeltem3
D.Comb01.RemoveltemComb01.Listcount
第10题:
根据SQL标准,下面哪条语句与select min(age) from student等效?()
A select age from student where age >= min(age)
B select distinct age from student where age >= all min(age)
C select distinct a.age from student a where a.age<= any (select distinctb.age from student b)
D select distinct a.age from student a where a.age<= all (select distinct b.age from student b)