数据查询语言中SELECT、FORM、WHER(E)ORDER BY、GROUP BY、HAVING的执行顺序是()
(A)FROM-〉WHERE-〉GROUPBY-〉HAVING-〉SELECT-〉ORDEYBY
(B)SELECT-〉FROM-〉WHERE-〉GROUPBY-〉HAVING-〉ORDERBY
(C)SELECT-〉FROM-〉WHERE-〉GROUPBY-〉ORDERBY-〉HAVING
(D)FROM-〉SELECT-〉WHERE-〉GROUPBY-〉HAVING-〉ORDERBY
参考答案
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