2. Java
  3. SELECTDISTINCT PORT, COUNT(PORT) FROM tab

SELECTDISTINCT PORT, COUNT(PORT) FROM tab

xiaoxiao2021-03-01  9
SELECT DISTINCT PORT, COUNT(PORT) FROM tab_author GROUP BY PORT

转载请注明原文地址: https://www.6miu.com/read-3650188.html

技术

最新回复(0)