LGF124241877的专栏

1. 判断是否为偶数函数 [code="sql"] create or replace function Even(Value in integer) return boolean is Result boolean; begin -- 判断是否是偶数 Result := (Value mod 2 = 1); return (Result); end E...

[img]http://dl2.iteye.com/upload/attachment/0103/0484/375ad828-bf39-3c1d-bc34-0b4768ab1bf6.jpg[/img] 原因: 环境变量配置错误,不应该包含BIN [img]http://dl2.iteye.com/upload/attachment/0103/0492/035422ba-1...

[img]http://dl2.iteye.com/upload/attachment/0103/0523/ae9796b8-4b85-3c40-9d5c-67fe69c94814.jpg[/img] 1. 确认服务是否已经开了: [img]http://dl2.iteye.com/upload/attachment/0103/0525/5c956476-b1e6-3904-8...