yanxiaohui5522

DB2函数大全 函数名 函数解释 函数举例 AVG()　　返回一组数值的平均值.　　SELECTAVG(SALARY)FROMBSEMPMS; CORR(),CORRELATION()　　返回一对数值的关系系数.　　SELECTCORRELATION(SALARY,BONUS)FROMBSEMPMS; COUNT(...

SELECT * FROM (Select 字段1,字段2,字段3,rownumber() over(ORDER BY 排序用的列名 ASC) AS rn from 表名) AS a1 WHERE a1.rn BETWEEN 10 AND 20