题目内容

在SELECT语句中，用于分组的子句是（）

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在SELECT语句中，如果要求查询结果中不能出现重复的记录，则使用（）

Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once.1. Almost everybody needs someone to 1)_____in times of trouble. That's why we value friendship so much.

Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once.2.The taxi driver had to 2)______to the side of the road when a policeman began to follow him for speeding.

Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once.3.The general manager 3)_____the generous support that has led to this successful result.