oracle12c_pdb_SAVE STATE

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发布时间：2016-06-07 16:37:51

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在12.1.0.1的时候pdb不能跟随cdb自动open,如果实现自动打开基本靠触发器，在12.1.0.2的时候可以使用参数SAVE STATE来保存pdb在关闭前的状态 SQL SHOW pdbs CON_ID CON_NAME OPEN MODE RESTRICTED---------- ------------------------------ ---------- -----

在12.1.0.1的时候pdb不能跟随cdb自动open,如果实现自动打开基本靠触发器，在12.1.0.2的时候可以使用参数SAVE STATE来保存pdb在关闭前的状态
oracle12_save_stat

SQL> SHOW pdbs
 
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB                            MOUNTED
         4 PDB2                           MOUNTED
         5 PDB3                           MOUNTED
         6 PDB4                           MOUNTED
         7 PDB5                           MOUNTED
 
SQL> shutdown immediate;
DATABASE closed.
DATABASE dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
 
Total System Global Area  838860800 bytes
Fixed SIZE                  2921400 bytes
Variable SIZE             608177224 bytes
DATABASE Buffers          222298112 bytes
Redo Buffers                5464064 bytes
DATABASE mounted.
DATABASE opened.
SQL> SHOW pdbs
 
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB                            MOUNTED
         4 PDB2                           MOUNTED
         5 PDB3                           MOUNTED
         6 PDB4                           MOUNTED
         7 PDB5                           MOUNTED
 
 
SQL> ALTER pluggable DATABASE ALL save state
  2  ;
 
Pluggable DATABASE altered.
 
SQL>  shutdown immediate;
DATABASE closed.
DATABASE dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
 
Total System Global Area  838860800 bytes
Fixed SIZE                  2921400 bytes
Variable SIZE             608177224 bytes
DATABASE Buffers          222298112 bytes
Redo Buffers                5464064 bytes
DATABASE mounted.
DATABASE opened.
SQL> SHOW pdbs
 
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB                            MOUNTED
         4 PDB2                           MOUNTED
         5 PDB3                           MOUNTED
         6 PDB4                           MOUNTED
         7 PDB5                           MOUNTED

可以看出如果pdb是mount状态的时候来设置save state,在数据库restart的时候也是mount

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SQL> ALTER pluggable DATABASE ALL DISCARD STATE;
 
Pluggable DATABASE altered.
 
SQL> ALTER pluggable DATABASE ALL OPEN;
 
Pluggable DATABASE altered.
 
SQL> SHOW pdbs
 
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB                            READ WRITE NO
         4 PDB2                           READ WRITE NO
         5 PDB3                           READ WRITE NO
         6 PDB4                           READ WRITE NO
         7 PDB5                           READ WRITE NO
SQL> ALTER pluggable DATABASE ALL save state;
 
Pluggable DATABASE altered.
 
SQL> shutdown immediate;
DATABASE closed.
DATABASE dismounted.
ORACLE instance shut down.
 
SQL> startup
ORACLE instance started.
 
Total System Global Area  838860800 bytes
Fixed SIZE                  2921400 bytes
Variable SIZE             608177224 bytes
DATABASE Buffers          222298112 bytes
Redo Buffers                5464064 bytes
DATABASE mounted.
DATABASE opened.
SQL> SHOW pdbs
 
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB                            READ WRITE NO
         4 PDB2                           READ WRITE NO
         5 PDB3                           READ WRITE NO
         6 PDB4                           READ WRITE NO
         7 PDB5                           READ WRITE NO

SQL> ALTER pluggable DATABASE ALL DISCARD STATE;
 
Pluggable DATABASE altered.
 
SQL> ALTER pluggable DATABASE ALL close;
 
Pluggable DATABASE altered.
 
SQL>  ALTER pluggable DATABASE ALL save state;
 
Pluggable DATABASE altered.
 
SQL> shutdown immediate;
DATABASE closed.
DATABASE dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
 
Total System Global Area  838860800 bytes
Fixed SIZE                  2921400 bytes
Variable SIZE             608177224 bytes
DATABASE Buffers          222298112 bytes
Redo Buffers                5464064 bytes
DATABASE mounted.
DATABASE opened.
SQL> SHOW pdbs
 
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 PDB                            MOUNTED
         4 PDB2                           MOUNTED
         5 PDB3                           MOUNTED
         6 PDB4                           MOUNTED
         7 PDB5                           MOUNTED

原文地址：oracle12c_pdb_SAVE STATE, 感谢原作者分享。

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