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【单选题】
宪法规定,我国行使监督宪法的实施职权的机关是( )。
A.
全国人民代表大会
B.
全国人民代表大会常务委员会
C.
全国人民代表大会及其常务委员会
D.
各民主党派
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【单选题】下列关于触发器优点的描述,错误的是( )
A.
触发器是自动执行的
B.
触发器可以实现对数据库中的相关表的级联更改
C.
强化完整性约束
D.
提高数据的检索速度
【多选题】关于剥脱苔主病,下面描述正确的是:()
A.
主胃气不足
B.
主气血两虚
C.
主阴虚重证
D.
主痰浊
E.
预后不良
【单选题】—Could you tell me _________? — You can take No. 16 bus.
A.
how can we get to the Olympic Park
B.
how we can get to the Olympic Park
C.
how did we get to the Olympic Park
D.
how we got to the Olympic Park
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【判断题】在删除关系表中数据时,要先删除主表数据再删除从表数据
A.
正确
B.
错误
【单选题】下列关于触发器描述错误的是( )。
A.
一个表在相同的触发事件和相同的触发时间只能创建一个触发器。
B.
触发事件为INSERT,触发时间为AFTER的触发器只能有一个
C.
一个表在相同的触发事件上可以创建两个触发器
D.
触发器可以显示调用
【单选题】下列关于触发器优点的描述,错误的是( )
A.
提高数据的检索速度
B.
强化完整性约束
C.
触发器是自动执行的
D.
触发器可以实现对数据库中的相关表的级联更改
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