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正确答案 |
元组 |
DELETE FROM R WHERE NAME LIKE "王%" |
.app |
组标头 |
选择 |
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正确答案 |
xy2a |
细节 |
ALTER TABLE 读者 ADD 工资 N(8,2) |
Rightclick |
GROUP BY |
填 空 题 |
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您的答案 |
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正确答案 |
havi coun(*)>1 |
COUNT(*),AVG(单价) |
GROUP BY |
RENAME COLUMN |
ADD |
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