SQL-查詢沒有學全全部課的同窗，顯示（學號、姓名）

表信息sql SELECT * FROM student s; SELECT * FROM teacher t; SELECT * FROM course c; SELECT * FROM student_core sc; --解法1：（WITH子句）code ----a.獲得每一個同窗學過的課程數量 with s_no_sum as (select s.student_no s_no, cou

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