LC 197 上升的溫度
需求:編寫解決方案,找出與之前(昨天的)日期相比溫度更高的所有日期的 id 。
代碼:
select w2.id from Weather as w1 join Weather as w2
on DateDiff(w2.recordDate , w1.recordDate) 1
where…
Q101.which two queries are examples of successful SQL injection attacks?
A.SELECT id, name FROM backup_before WHERE name‘; DROP TABLE injection; --’; B. SELECT id, name FROM user WHERE id23 oR id32 OR 11; C. SELECT id, name FROM user WHERE user.id (SEL…