→ greetmuta: SUM(case when product=1 then 1 else 0 end) as 輪胎 03/03 00:21
推 sonesnsdsosi: select name,count(case when product=1 then 03/03 13:54
→ sonesnsdsosi: product else null end)"輪胎" , 03/03 13:55
→ sonesnsdsosi: count(case when product=2 then product else null 03/03 13:56
→ sonesnsdsosi: end)"茶杯" from table_name group by name; 03/03 13:56
推 sonesnsdsosi: 用sum 也可,跟一樓大大一樣 03/03 14:27
→ cdanyu: 用用看 pivot 03/06 01:01