This the forth test.

实验四\作业28 建立查询.qpr
......\作业28 建立查询.QPX
......\作业29 修改查询.qpr
......\作业29 修改查询.QPX
......\作业30 成绩查询.qpr
......\作业30 成绩查询.QPX
......\作业31 女生概况.qpr
......\作业31 女生概况.QPX
......\作业32 学生成绩图形查询.SCT
......\作业32 学生成绩图形查询.SCX
......\作业33 表单式查询.SCT
......\作业33 表单式查询.scx
......\催还图书通知.FRT
......\催还图书通知.FRX
......\学生.CDX
......\学生.dbf
......\学生.FPT
......\学生成绩.BAK
......\学生成绩.CDX
......\学生成绩.dbf
......\学生选课.CDX
......\学生选课.dbf
......\学生选课库.dbc
......\学生选课库.DCT
......\学生选课库.DCX
......\学生选课系统.PJT
......\学生选课系统.pjx
......\课程.CDX
......\课程.dbf
......\课程.FPT
实验四

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