Oracle Database 21c （LINUX.X64_213000_grid_home.zip）文件分割成三个压缩包，必须集齐三个文件后才能一起解压一起使用：
Oracle Database 21c (LINUX.X64_213000_grid_home.part1)
https://download.csdn.net/download/weixin_43800734/85373738
Oracle Database 21c (LINUX.X64_213000_grid_home.part2)
https://download.csdn.net/download/weixin_43800734/85373740
Oracle Database 21c (LINUX.X64_213000_grid_home.part3)
https://download.csdn.net/download/weixin_43800734/85373726
