摘要: FIRST_VALUE | LAST_VALUE 1. 语法 FIRST_VALUE | LAST_VALUE ( expression [ IGNORE NULLS | RESPECT NULLS ] ) OVER ( [ PARTITION BY expr_list ] [ ORDER BY o 阅读全文
posted @ 2020-01-21 16:48 坏脾气 阅读(2518) 评论(0) 推荐(0) 编辑