有三张表,学生表:学号,姓名;课程表:课程号,课程名称;成绩表:学号,课程号,分数;请使用sql写出每门课成绩前两名的学生姓名及分数.
insert into student values
("202202","李四"),
("202203","王五"),
("202204","王二麻子"),
("202205","张敏"),
("202206","张慧"),
("202207","张飞"),
("202208","杨立果"),
("202209","杨三")
insert into curriculum values
("11111","数学"),
("22222","英语"),
("33333","语文"),
("44444","化学"),
("55555","物理"),
("66666","生物"),
("77777","地理")
insert into curriculum values
("202201","11111","66"),
("202201","22222","65"),
("202201","33333","70"),
("202201","44444","77"),
("202201","55555","80"),
("202202","11111","65"),
("202202","22222","70"),
("202202","33333","92"),
("202202","44444","72"),
("202202","55555","67"),
("202203","11111","77"),
("202203","22222","80"),
("202203","33333","75"),
("202203","44444","88"),
("202203","55555","89"),
("202204","11111","80"),
("202204","22222","80"),
("202204","33333","67"),
("202204","44444","90"),
("202204","55555","78"),
("202205","11111","98"),
("202205","22222","89"),
("202205","33333","80"),
("202205","44444","60"),
("202205","55555","79"),
("202206","11111","89"),
("202206","22222","99"),
("202206","33333","87"),
("202206","44444","88"),
("202206","55555","100"),
("202207","11111","80"),
("202207","22222","92"),
("202207","33333","79"),
("202207","44444","93"),
("202207","55555","95"),
("202208","11111","99"),
("202208","22222","87"),
("202208","33333","86"),
("202208","44444","58"),
("202208","55555","98"),
("202209","11111","100"),
("202209","22222","100"),
("202209","33333","90"),
("202209","44444","81"),
("202209","55555","98")
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