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【多选题】
下面关于内连接的说法中, 描述正确的是A.
自连接是一种内连接
B.
使用 WHERE 子句可以实现内连接同样的功能
C.
内连接语法格式中的 INNER JOIN 不能略写为 JOIN
D.
内连接可以得到被连接的两个表中所有数据行的笛卡尔积
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A.
He was ill for more than a month.
B.
He was ill but had a happy holiday.
C.
His holiday was mined because of his illness.
D.
He was in bed for a week.
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A.
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B.
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C.
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D.
债务人投资项目发生重大损失
【简答题】用恰当的单词填空，完成对话，每空一词。 A: Good morning, doctor. B: Morning. What's your problem, madam? A: It's my son. He's not feeling 1 . He coughs badly and can't sleep at night. B : How long has he been 2 this? A: ...
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