2018-3-30 遇到需要使用SQL方法拼接字符串的情况,就研究了一下SQL简单的方法应用--定义入参数[参数名 in 参数类型]create or replace function p_gettype(se_type in varchar2)--定义返回类型return varchar2isv_calling_type varchar2(45);v_called_type varchar2…
--用法详解0、select * from wmg_test; ---测试数据1、select v1,v2,sum(v2) over(order by v2) as sum --按照 v2排序,累计nn-1....1from wmg_test;2、select v1,v2,sum(v2) over(partition by v1 order by v2) as sum --先分组,组内在进行…
<script type"text/javascript"> var timestamp 1479886513; var d new Date(timestamp * 1000); //根据时间戳生成的时间对象 var date (d.getFullYear()) "-" (d.getMonth() 1) "-" (d.getDate())…