1. 设置环境变量
set PGHOME=d:\dev_tools\pgsql set PATH=%PGHOME%\bin;%path% set PGHOST=localhost set PGLIB=%PGHOME%\lib set PGDATA=%PGHOME%\data set PGHOME=d:\dev_tools\pgsql set PATH=
阅读背景：
Postregesql绿色版Windows下安装教程
来源：互联网
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