It can be inferred from the passage that ______ .
A.malaria and yellow fever have been reported this year
B.no new cases of smallpox have been reported this year
C.smallpox victims no longer die when they contract the disease
D.smallpox is not transmitted from one person to another
第1题
标准SQL基本查询模块的结构是 ______。
A.SELECT…FROM…ORDER BY
B.SELECT…WHERE…GROUP BY
C.SELECT…WHERE…HAVING
D.SELECT…FROM…WHERE
第2题
标准SQL基本查询模块的结构是________。
A.SELECT…FROM…ORDERBY
B.SELECT…WHERE…GROUPBY
C.SELECT…WHERE…HAVING
D.SELECT…FROM…WHERE
第3题
第4题
标准SQL基本查询模块的结构是
A.SELECT. . . FROM. . . ORDER BY
B.SELECT. . . WHERE. . . GROUP BY
C.SELECT. . . WHERE. . . HAVING
D.SELECT. . . FROM. . . WHERE.
第5题
标准的SQL基本查询语句的格式是()。
A.SELECT…FROM…WHERE
B.SELECT…WHERE…FROM
C.SELECT…WHERE…GROUPBY
D.SELECT…FROM…ORDERBY
第6题
SQL查询命令的结构是SELECT…FROM…WHERE…
GROUP BY…HAVING…ORDER BY…,其中指定查询条件的短语是
A.SELECT
B.FROM
C.WHERE
D.ORDER BY
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