ROW_NUMBER() OVER (PARTITION BY f_deptid ORDER BY f_salary DESC) AS f_order, f_deptname, f_employeename, f_salary FROM (SELECT a.f_employeeid, a.f_deptid, b.f_deptname, a.f_...
臻逍遥的博客关于南大通运8ampp数据库的排序函数介绍 RANK OVER函数 RANK() OVER([PARTITION BY col_name1,col_name2,…] ORDER BY col_name1 [ASC/DESC], col_name2 [ASC/DESC],…) 功能描述: 根据 ORDER BY 子句中表达式...
tableau代做帆软报表代做的博客 第一种:以上的sql语句再嵌套一个SELECT语句 SELECT k.* FROM ( SELECT ROWNUM r,t.* FROM ( SELECT e.* FROM emp e ORDER BY e.sal DESC ) t ) k WHERE r between 4 AND 6 结果: 第二种:使用ROW_NUMBER()OVER()函数...