题解 | #高级操作符练习(1)#
高级操作符练习(1)
http://www.nowcoder.com/practice/2d2e37474197488fbdf8f9206f66651c
SELECT device_id, gender, age, university, gpa from user_profile WHERE gpa>3.5 and gender = 'male'
一定要看清题目,关键条件男性和3.5以上,缺一不可,同时gender列数据类型为字符型,gpa列类型为数值型。