[英]Round a SQL value output?
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
20 5 10875 2175
30 6 9400 1566.66667
40 1 1500 1500
我想在 AVG(SAL) 列中用小数舍入两个值的小数。 想法/建议?
使用round()
SELECT DEPTNO, COUNT(EMPNO),round( SUM(SAL),2),round( AVG(SAL),2)
FROM EMP GROUP BY DEPTNO ORDER BY AVG(SAL) DESC;
尝试
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;
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