题解 | #Where in 和Not in#
Where in 和Not in
http://www.nowcoder.com/practice/0355033fc2244cdaa09b2bd6e794c762
使用or获取
SELECT device_id,gender,age,university,gpa FROM user_profile WHERE university = "北京大学" OR university = "复旦大学" OR university = "山东大学"
使用in获取
SELECT device_id,gender,age,university,gpa FROM user_profile WHERE university in ("北京大学","复旦大学","山东大学")
