摘要: set statistics profile on 阅读全文
posted @ 2022-07-12 14:48 极客船长 阅读(13) 评论(0) 推荐(0)
摘要: select * ,row_number() over (partition by c_id order by s_score) from score; 阅读全文
posted @ 2022-07-12 13:43 极客船长 阅读(28) 评论(0) 推荐(0)