此为在mysql写可以正常执行的语法Select count(distinct AAA) From table
请于一样的功能在Access怎么写呢?
谢谢
SELECT COUNT(1) FROM (SELECT DISTINCT AAA FROM table) t可以参考https://bbs.csdn.net/topics/350114988
https://blog.csdn.net/yeti0210/article/details/1271947