MySQL數據庫SQL之查詢語句進階

查詢指定字段 select name,age from students; 使用 as 給字段起別名 select id as 序號, name as 名字, gender as 性別 from students; 消除重複行 select distinct gender from students; 條件查詢 select * from students where id=1; 模糊查詢 lik

>>阅读原文<<