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oracle12c_pdb_SAVE STATE

mysql 搞代码 4年前 (2022-01-09) 19次浏览 已收录 0个评论

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

SQL> SHOW pdbs     CON_ID CON_NAME                       OPEN MODE  RESTRICT<mark style="color:transparent">本文来源gaodaimacom搞#^代%!码网@</mark>ED---------- ------------------------------ ---------- ----------         2 PDB$SEED                       READ ONLY  NO         3 PDB                            MOUNTED         4 PDB2                           MOUNTED         5 PDB3                           MOUNTED         6 PDB4                           MOUNTED         7 PDB5                           MOUNTED SQL> shutdown immediate;DATABASE closed.DATABASE dismounted.ORACLE instance shut down.SQL> startupORACLE instance started. Total System Global Area  838860800 bytesFixed SIZE                  2921400 bytesVariable SIZE             608177224 bytesDATABASE Buffers          222298112 bytesRedo Buffers                5464064 bytesDATABASE mounted.DATABASE opened.SQL> SHOW pdbs     CON_ID CON_NAME                       OPEN MODE  RESTRICTED---------- ------------------------------ ---------- ----------         2 PDB$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> startupORACLE instance started. Total System Global Area  838860800 bytesFixed SIZE                  2921400 bytesVariable SIZE             608177224 bytesDATABASE Buffers          222298112 bytesRedo Buffers                5464064 bytesDATABASE 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

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

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