试题
选 择 题 |
1 |
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6 |
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10 |
您的答案 |
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正确答案 |
A |
D |
B |
A |
C |
D |
D |
C |
C |
D |
选 择 题 |
11 |
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19 |
20 |
您的答案 |
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正确答案 |
C |
B |
B |
D |
A |
A |
C |
D |
A |
C |
选 择 题 |
21 |
22 |
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24 |
25 |
26 |
27 |
28 |
29 |
30 |
您的答案 |
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正确答案 |
B |
D |
B |
C |
B |
B |
C |
B |
D |
A |
选 择 题 |
31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
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40 |
您的答案 |
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正确答案 |
D |
A |
D |
C |
A |
123456 |
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填 空 题 |
1 |
2 |
3 |
4 |
5 |
您的答案 |
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正确答案 |
更新 |
属性名 |
联接 |
DISTINCT |
37.201 |
填 空 题 |
6 |
7 |
8 |
9 |
10 |
您的答案 |
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正确答案 |
通用型字段 |
INSERT INTO R VALUES(25,"李明","男",21,"95031") |
DELETE |
DROP |
借书证号 |
填 空 题 |
11 |
12 |
13 |
14 |
15 |
您的答案 |
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正确答案 |
HAVING |
s>10 and s<=100 |
s>1 and s<=10 |
s<=1 |
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