alter pluggable database PDB$SEED close immediate instances=ALL;
alter pluggable database PDB$SEED open read write instances=ALL;
alter session set container=PDB$SEED;
alter session set "_ORACLE_SCRIPT"=true;
@?/rdbms/admin/utlrp
alter session set "_ORACLE_SCRIPT"=false;
alter session set container=CDB$ROOT;
alter pluggable database PDB$SEED close immediate instances=ALL;
alter pluggable database PDB$SEED open read only instances=ALL;