37 lines
1.0 KiB
SQL
37 lines
1.0 KiB
SQL
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# 2.查询所有学生信息，并根据年龄进行降序排序。（10分）
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SELECT * FROM student ORDER BY age DESC
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# 3.显示姓王的学生的详细信息。（10分）
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SELECT * FROM student where INSTR(student.ename,'王')
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#4.查询工资大于5000的所有男同学的信息。（10分）
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SELECT * FROM student where student.sal>5000 and student.sex='男'
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# 5.查询班级编号为20的男同学的电话号码。（10分）
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SELECT student.tel FROM student WHERE student.classid=20
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# 6.查询最低工资。（10分）
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SELECT student.sal FROM student ORDER BY student.sal ASC LIMIT 1
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# 7.查询班级为30的学生的最小年龄。（10分）
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SELECT student.age FROM student WHERE student.classid=30 ORDER BY student.age ASC LIMIT 1
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# 8.查询女生的最低工资。（15分）
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SELECT student.sal FROM student WHERE student.sex='女' ORDER BY student.sal ASC LIMIT 1
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# 9.查询女学生中薪资最低的人的全部信息。（15分）
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SELECT * FROM student WHERE student.sex='女' ORDER BY student.sal ASC LIMIT 1
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