皮皮学，免费搜题
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【单选题】
《小溪巴赫》称巴赫是小溪的原因最恰当的一项是( )
A.
巴赫的名字德文的意思是小溪。
B.
巴赫的人品和遭遇像小溪。
C.
巴赫的音乐像小溪。
D.
以上三者之和。
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举一反三
【单选题】He was so committed to the ______ of his faith that he was unable to evaluate them impartially.
A.
credits
B.
doctrines
C.
certificates
D.
documents
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【判断题】如果只把左边关系R中要舍弃的元组保留就叫做左外连接(LEFT OUTER JOIN或LEFT JOIN)。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The term paper was due to December 1, but hard as he tried, he was unable to meet the _____ for it.
A.
challenge
B.
need
C.
deadline
D.
date
查看完整题目与答案
【单选题】巴西的狂欢节起源于 [     ]
A.
北美洲
B.
非洲
C.
亚洲
D.
欧洲
查看完整题目与答案
【单选题】He was unable to make much progress, hard ______ he tried.
A.
unless
B.
as
C.
however
D.
because
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【简答题】左连接查询(LEFT JOIN 或 LEFT OUTER JOIN) (1)为文章表添加一条记录 (2)利用左外连接对文章表和栏目表进行查询
查看完整题目与答案
【简答题】He is unable to answer the questions about the new text．He__________it yesterday．
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【单选题】艾滋病起源于( )
A.
南美洲
B.
北美洲
C.
非洲
D.
亚洲
查看完整题目与答案
【单选题】左外连接查询中，主表在（     ）
A.
LEFT OUTER JOIN的左边
B.
LEFT OUTER JOIN的右边
C.
RIGHT OUTER JOIN的左边
D.
RIGHT OUTER JOIN的左边
查看完整题目与答案
【单选题】He was unable to make such progress, __________________.
A.
as he tried hard
B.
as hard he tried
C.
so hard did he try
D.
hard as he tried
查看完整题目与答案
相关题目：
【单选题】He was so committed to the ______ of his faith that he was unable to evaluate them impartially.
A.
credits
B.
doctrines
C.
certificates
D.
documents
查看完整题目与答案
【判断题】如果只把左边关系R中要舍弃的元组保留就叫做左外连接(LEFT OUTER JOIN或LEFT JOIN)。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The term paper was due to December 1, but hard as he tried, he was unable to meet the _____ for it.
A.
challenge
B.
need
C.
deadline
D.
date
查看完整题目与答案
【单选题】巴西的狂欢节起源于 [     ]
A.
北美洲
B.
非洲
C.
亚洲
D.
欧洲
查看完整题目与答案
【单选题】He was unable to make much progress, hard ______ he tried.
A.
unless
B.
as
C.
however
D.
because
查看完整题目与答案
【简答题】左连接查询(LEFT JOIN 或 LEFT OUTER JOIN) (1)为文章表添加一条记录 (2)利用左外连接对文章表和栏目表进行查询
查看完整题目与答案
【简答题】He is unable to answer the questions about the new text．He__________it yesterday．
查看完整题目与答案
【单选题】艾滋病起源于( )
A.
南美洲
B.
北美洲
C.
非洲
D.
亚洲
查看完整题目与答案
【单选题】左外连接查询中，主表在（     ）
A.
LEFT OUTER JOIN的左边
B.
LEFT OUTER JOIN的右边
C.
RIGHT OUTER JOIN的左边
D.
RIGHT OUTER JOIN的左边
查看完整题目与答案
【单选题】He was unable to make such progress, __________________.
A.
as he tried hard
B.
as hard he tried
C.
so hard did he try
D.
hard as he tried
查看完整题目与答案