--CDB启动自动打开pdb --方法一: save state alter pluggable database pdb2 open save state; select con_name,instance_name,state from cdb_pdb_saved_state; --取消状态恢复默认 alter pluggable database pdb2 discard state; --方法二, 使用触发器 create or replace trigger open_all_pdbs after startup on database begin execute immediate 'alter pluggable database all open instances=all'; end;