finfin12的博客

参考https://www.cnblogs.com/freeweb/p/8006639.html正式环境不能使用yum命令,记录一下这次安装!pgsql官网地址 https://www.postgresql.org/pgsql下载地址www.enterprisedb.com/download-postgresql-binaries1.上传文件2. 安装并初始化2.1 进...

参考文章:https://www.cnblogs.com/leavescy/p/7642113.html参考文章:https://blog.youkuaiyun.com/u011546032/article/details/95242792package com.example.demo.config;import java.sql.Connection;import java.tex...

1 函数语句BEGIN DECLARE result DOUBLE DEFAULT 0; SET result = round(6378.138*2*asin(sqrt(pow(sin( (origLat*pi()/180-latitude*pi()/180)/2),2)+cos(origLat*pi()/180)*cos(latit...