CREATE TABLE TMP ( SETSTR NVARCHAR(50)); INSERT INTO TMP VALUES (N'庭院深深深幾許繼光香香香...
SELECT ym,vendor,SUBSTRING_INDEX(GROUP_CONCAT(product),",",2) FROM (...
check select * from ( select rank() over(partition by vendor,trunc(ex...
CREATE TABLE tab ( exdate date , vendor char(2) , product Nvarchar(20) );...
不會純推 年輕人就是年輕人如果是我才不會問這種半調子的問題 我會這麼問如何以FIFO原則挑出所需筆數、扣點並顯示扣點前後點數