設定sga_target和sga_max_size
SQL> show parameter sga; #檢視目前的值
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiQDOxEzX3xCZlhXam9VbsUmepNXZy9CXwJWZ3xCdh1mcvZ2Lc1zaHRGcWdUYuVzVa9GczoVdG1mWfVGc5RHLwIzX39GZhh2csATMflHLwEzX4xSZz91ZsAzMfRHLGZkRGZkRfJ3bs92YskmNhVTYykVNQJVMRhXVEF1X0hXZ0xiNx8VZ6l2cssmch1mclRXY39CXldWYtlWPzNXZj9mcw1ycz9WL49zZuBnL1cjMzIjN3gzYiNGNyMTNzYzXxMTMwcDMyIzLcBTMyIDMy8CXn9Gbi9CXzV2Zh1WavwVbvNmLvR3YxUjLyM3Lc9CX6MHc0RHaiojIsJye.png)
設定新的值
SQL> alter system set sga_max_size=10G scope=spfile;
SQL> alter system set sga_target=10G scope=spfile;
shutdown immediate;
startup;
SQL> show parameter sga; #檢視目前的值
設定新的值
SQL> alter system set sga_max_size=10G scope=spfile;
SQL> alter system set sga_target=10G scope=spfile;
shutdown immediate;
startup;