2020.8.13課堂筆記（DQL查詢數據）

中括號代表可選，大括號代表至少有一條 最簡單的 select * from tablename; mysql> select stu_name as ‘學生姓名’,gender as ‘性別’,address ‘地址’,email ‘郵箱’ from student; mysql> select s.stu_name as ‘學生姓名’,s.gender as ‘性別’,s.address ‘地址

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