舍入SQL值输出?
脚本:舍入SQL值输出?,sql,oracle,rounding,Sql,Oracle,Rounding,脚本: SELECT DEPTNO, COUNT(EMPNO), SUM(SAL), AVG(SAL) FROM EMP GROUP BY DEPTNO ORDER BY AVG(SAL) DESC; 返回: DEPTNO COUNT(EMPNO) SUM(SAL) AVG(SAL) --------- ------------ -------- ----------- 10 3 8750 2916.66667
SELECT DEPTNO, COUNT(EMPNO), SUM(SAL), AVG(SAL)
FROM EMP
GROUP BY DEPTNO
ORDER BY AVG(SAL) DESC;
返回:
DEPTNO COUNT(EMPNO) SUM(SAL) AVG(SAL)
--------- ------------ -------- -----------
10 3 8750 2916.66667
20 5 10875 2175
30 6 9400 1566.66667
40 1 1500 1500
我想用AVG(SAL)列中的小数对两个值的小数进行四舍五入。想法/建议 使用
round()
试一试
那么,计数的函数称为
COUNT
,求和的函数称为SUM
,…如何调用循环的函数?:-)该问题已标记为Oracle,因此此语法无效。(我还认为你应该在集合之后,而不是之前来拜访一下?)
SELECT DEPTNO, COUNT(EMPNO),round( SUM(SAL),2),round( AVG(SAL),2)
FROM EMP GROUP BY DEPTNO ORDER BY AVG(SAL) DESC;
SELECT DEPTNO,
COUNT(EMPNO),
SUM(CONVERT(DECIMAL(5,2),SAL)),
AVG(CONVERT(DECIMAL(5,2),SAL))
FROM EMP GROUP BY DEPTNO
ORDER BY
AVG(CONVERT(DECIMAL(5,2),SAL)) DESC;