随笔分类 -  sql练习

摘要:样例数据 点击查看代码 insert overwrite table test.ysj_lianxu_not select 'a', 't1' union all select 'a', 't2' union all select 'a', 't3' union all select 'b', 't 阅读全文
posted @ 2024-06-20 20:40 A1340399426 阅读(45) 评论(0) 推荐(0)