括号没对齐create function Course_Teacher(@course_name varchar(255))
returns table
as
return (select C.* from Course as C,Teacher as T
where C.CNO=T.CNO
and C.CNO in (select CNO from Course where CNAME=@course_name))
returns table
as
return (select C.* from Course as C,Teacher as T
where C.CNO=T.CNO
and C.CNO in (select CNO from Course where CNAME=@course_name))
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