修改memory——target的值 改为900

SQL> show parameter memory

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

hi_shared_memory_address             integer     0

memory_max_target                    big integer 800M

memory_target                        big integer 800M

shared_memory_address                integer     0

SQL> alter system set memory_target=900M scope=spfile;

System altered.

SQL> show parameter memory;

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

hi_shared_memory_address             integer     0

memory_max_target                    big integer 800M

memory_target                        big integer 800M

shared_memory_address                integer     0

SQL> startup force;

ORACLE instance started.

Total System Global Area  939495424 bytes

Fixed Size                  2258840 bytes

Variable Size             595593320 bytes

Database Buffers          335544320 bytes

Redo Buffers                6098944 bytes

Database mounted.

Database opened.

SQL> show parameter memory;

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

hi_shared_memory_address             integer     0

memory_max_target                    big integer 900M

memory_target                        big integer 900M

shared_memory_address                integer     0

SQL>