/*以管理員身份登錄*/
sqlplus / as sysdba
/*查看CDB的狀態*/
select status from v$instance;
/*開啟startup,默認是open*/
startup;
/*查看CDB的狀態*/
select status from v$instance;
/*查看當前所有PDB以及狀態 */
select name,open_mode from v$pdbs;
/*找到要啟動的PDB， 例子：dev_pdb*/
alter session set container =dev_pdb;
/* 啟動pdb */
alter pluggable database open;
/*查看當前所有PDB以及狀態 */
select name,open_mode from v$pdbs;