SELECT 1. AS 的應用 SELECT depart_clASs AS 班級,student_no AS 學號,student_name AS 姓名, address AS 地址 FROM stmd; select depart_clASs AS 班級,student_no AS 學號,student_name AS 姓名, address AS 地址 FROM stmd ORDER BY 學號; 2. LIKE 的應用 萬用字元 % 表匹配全部 _ 表匹配一個字元 SELECT * FROM stmd WHERE student_no LIKE "100%"; SELECT * FROM stmd WHERE student_name LIKE "林%";