我有以下查詢:計算組比例爲2位小數 - SQL
SELECT hostVersion, CONVERT(varchar, 100.0 * count(*)/tot,1) + '%' as 'Percent'
FROM hostInfo,
(SELECT COUNT(*) as tot FROM hostInfo) x
GROUP BY hostVersion, tot
而且收到以下輸出:
+--------------------------------+
| hostVersion | Percent |
+--------------------------------+
| 5.0.0 | 26.666666666666% |
+--------------------------------+
| 5.1.0 | 73.333333333333% |
+--------------------------------+
如何我四捨五入到只有1位小數? (即26.7%& 73.3%)
威爾在PostgreSQL的也行? – Padagomez