01 2023 档案

hive sql纵表横表互相转换
摘要：枞表转横表 select product_id ,max(case when field='test1' then 1 else 0 end) as test1 ,max(case when field='test2' then 1 else 0 end) as test2 ,max(case wh 阅读全文
posted @ 2023-01-16 14:18 致林 阅读(345) 评论(0) 推荐(0)