随笔分类 -  ocp考试-071

071
12c新特性-top-n，fetch first with ties
摘要：语法： [ OFFSET offset { ROW | ROWS} ] [ FETCH { FIRST | NEXT }[ { rowcount | percent PERCENT } ] { ROW| ROWS } { ONLY | WITH TIES } ] fetch 返回 emp表中sal最 阅读全文
posted @ 2020-10-22 15:40 老王的农场 阅读(233) 评论(0) 推荐(0)
【ocp-071】You need to write a query that does the following tasks:
摘要：ocp 阅读全文
posted @ 2020-10-21 19:57 老王的农场 阅读(75) 评论(0) 推荐(0)