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我已经将HR数据库添加到oracle 19c，但问题是，每次我执行sqldeveloper时，它都说数据库没有打开，所以我去cmd并执行以下脚本，但是有什么办法可以保持它总是开着吗？我不想一直去cmd。

sqlplus / as sysdba
show con_name;
ALTER SESSION SET CONTAINER = orclpdb;
COLUMN name FORMAT a20;
SELECT name, open_mode from v$pdbs;
ALTER PLUGGABLE DATABASE open;
ALTER USER hr IDENTIFIED BY hr ACCOUNT UNLOCK;
conn hr/hr@orclpdb;
SHOW USER;'
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从 12.1.0.2 开始，新子句SAVE STATE被添加到语句中ALTER PLUGGABLE DATABASE。

SQL> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED

SQL> shutdown immediate

重新启动后，所有 PDB 保持关闭：

SQL> startup
SQL> show pdbs

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           MOUNTED
         4 PDB2                           MOUNTED

保留 PDB 的最后状态（所有 PDB 都带有ALL而不是 PDB 名称）：

SQL> alter pluggable database pdb1 open;
SQL> alter pluggable database pdb1 save state;

现在，重新启动后，所需的 PDB 将自动打开：

    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB1                           READ WRITE NO
         4 PDB2                           MOUNTED
于 2020-04-15T11:38:32.030 回答