1.下载安装PLSQL Developer12 访问PLSQL Developer官网https://www.allroundautomations.com/bodyplsqldevreg.html,下载win64版本 2.访问oracle官网,下载Instant Client并解压,解压后复制到PLSQL Developer12安装目录下 http://www.oracle.com/technetwork/database/database-technologies/instant-clien…