摘要：
package com.jy.demo.web; import java.util.Date; public class People { private String name;//姓名 private int age;//年龄 private String email; private Date date; public Date getDat... 阅读全文
摘要：
select * from ( select * from (SELECT c.*,row_number() over(PARTITION BY c.reg_channels ORDER BY c.CREATE_TIME DESC) rn FROM app_user c ) where rn=1 )jj where jj.reg_channels='SAPP002' 阅读全文