题解 | #查询多列#
查询多列
https://www.nowcoder.com/practice/499b6d01eae342b2aaeaf4d0da61cab0
select device_id,gender,age,university from user_profile //还是数据库的增删改查里面的查询操作,select是查询操作, user_profile 是表名, 想要查的内容名字是分别是device_id,gender,age,university
查询多列
https://www.nowcoder.com/practice/499b6d01eae342b2aaeaf4d0da61cab0
select device_id,gender,age,university from user_profile //还是数据库的增删改查里面的查询操作,select是查询操作, user_profile 是表名, 想要查的内容名字是分别是device_id,gender,age,university
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