---PDB启动随cdb自动启动命令： --单个PDB ORCLPDB alter pluggable database ORCLPDB save state;--PDB开启状态下，CDB重启，PDB随CDB启动 alter pluggable database ORCLPDB discard state;--关闭PDB启动随cdb自动启动
---针对全部PDB alter pluggable database all save state; alter pluggable database all discard state;
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