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【简答题】
在考生文件夹中的“学生”表下使用SQL语句完成下列题目,并将SQL语句保存在“mytxt.txt”中。 (1)用SELECT语句查询所有住在2楼的学生的全部信息(宿舍字段的第一位是楼层号)。 (2)用INSERT语句为“学生”表插入一条记录(s10,,舅,23,5,402)。 (3)用DELETE语句将“学生”表中学号为“S77的学生盼记录删除。 (4)用UPDATE语句将“学生”表中所有人的年龄增加一岁。
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