ms sql count distinct的相關文章
ms sql count distinct的相關公司資訊
ms sql count distinct的相關商品
sql - MS ACCESS count/sum number of rows, with no duplicates - Stack Overflow
瀏覽:829
日期:2025-11-21
This would work in SQL, I think it should also in Access: SELECT COUNT(DISTINCT CustomerID) FROM TheTable Edit: Per Jeff in comments, Access doesn't support the above syntax. This should work for sure though: SELECT COUNT(*) FROM ( SELECT ......看更多


![[科技新報]愛滋病最新解藥:香港腳藥膏?](https://www.iarticlesnet.com/pub/img/article/5739/1403813425530_xs.jpg)













