【简答题】设“成绩”表中包括“课程编号”(文本型)、“成绩”(数字型)等字段,若要用设计视图创建一个查询,查询课程编号为"C0101"成绩不及格的所有记录,正确设置查询条件的方法是(
)。A. 在“成绩”字段的条件行输入:课程编号="C0101" And 成绩<60 B. 在“课程编号”字段的条件行输入:课程编号="C0101" ,在“成绩”字段的条件行输入:成绩<60 C. 在“课程编号”字段的条件行输...
【简答题】More than three dozen billionaires, including well-known philanthropist ( 慈善家 ) David Rockefeller, have promised at least half of their fortunes to charity, joining a programme that Bill and Melinda G...